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THE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top DIGITAL RESISTOR LADDER DIAGRAM An example diagram of a resistor ladder. Only one switch is connected at the time, this enables the simulation of a potentiometer. VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
LIGHT DEPENDENT RESISTOR CONSTRUCTION This picture shows the construction of a light dependent resistor or photoresistor. The yellow track is the fotosensitive material and theresistance of
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt SELF REGULATING PTC HEATING ELEMENT A typical example of an air heater which functions with self regulating PTC elements. These types of heaters can for example be used in cars, trucks or other vehicles. ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top DIGITAL RESISTOR LADDER DIAGRAM An example diagram of a resistor ladder. Only one switch is connected at the time, this enables the simulation of a potentiometer. VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
LIGHT DEPENDENT RESISTOR CONSTRUCTION This picture shows the construction of a light dependent resistor or photoresistor. The yellow track is the fotosensitive material and theresistance of
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt SELF REGULATING PTC HEATING ELEMENT A typical example of an air heater which functions with self regulating PTC elements. These types of heaters can for example be used in cars, trucks or other vehicles. CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top RESISTOR EQUIVALENT CIRCUIT This diagram shows the equivalent circuit of a resistor with its parasitic capacitance and inductance. DIGITAL RESISTOR LADDER DIAGRAM An example diagram of a resistor ladder. Only one switch is connected at the time, this enables the simulation of a potentiometer. RESISTOR PREFERRED VALUE CHART An overview of how the E12 series is determined. The correct ratio is chosen based on the tolerance, in such way that there is no overlapbetween resistor
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
LED - LIGHT EMITTING DIODE - RESISTORGUIDE.COM This image shows a standard, red, light emitting diode. SELF REGULATING PTC HEATING ELEMENT A typical example of an air heater which functions with self regulating PTC elements. These types of heaters can for example be used in cars, trucks or other vehicles. CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt SMD SOLDER PAD LAND PATTERN This drawing shows the typical sizes of a land pattern for SMD resistors. The length of the pads is indicated by ‘a’, width of the pad by ‘b’ and the gap between the solder pads by ‘c’. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top DIGITAL RESISTOR LADDER DIAGRAM An example diagram of a resistor ladder. Only one switch is connected at the time, this enables the simulation of a potentiometer. VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
LIGHT DEPENDENT RESISTOR CONSTRUCTION This picture shows the construction of a light dependent resistor or photoresistor. The yellow track is the fotosensitive material and theresistance of
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt SELF REGULATING PTC HEATING ELEMENT A typical example of an air heater which functions with self regulating PTC elements. These types of heaters can for example be used in cars, trucks or other vehicles. ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top DIGITAL RESISTOR LADDER DIAGRAM An example diagram of a resistor ladder. Only one switch is connected at the time, this enables the simulation of a potentiometer. VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
LIGHT DEPENDENT RESISTOR CONSTRUCTION This picture shows the construction of a light dependent resistor or photoresistor. The yellow track is the fotosensitive material and theresistance of
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt SELF REGULATING PTC HEATING ELEMENT A typical example of an air heater which functions with self regulating PTC elements. These types of heaters can for example be used in cars, trucks or other vehicles. CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top RESISTOR EQUIVALENT CIRCUIT This diagram shows the equivalent circuit of a resistor with its parasitic capacitance and inductance. DIGITAL RESISTOR LADDER DIAGRAM An example diagram of a resistor ladder. Only one switch is connected at the time, this enables the simulation of a potentiometer. RESISTOR PREFERRED VALUE CHART An overview of how the E12 series is determined. The correct ratio is chosen based on the tolerance, in such way that there is no overlapbetween resistor
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
LED - LIGHT EMITTING DIODE - RESISTORGUIDE.COM This image shows a standard, red, light emitting diode. SELF REGULATING PTC HEATING ELEMENT A typical example of an air heater which functions with self regulating PTC elements. These types of heaters can for example be used in cars, trucks or other vehicles. CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt SMD SOLDER PAD LAND PATTERN This drawing shows the typical sizes of a land pattern for SMD resistors. The length of the pads is indicated by ‘a’, width of the pad by ‘b’ and the gap between the solder pads by ‘c’. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To TopFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
SOURCE-VOLTAGE-VLED
@2019 EETech Media, LLC. All rights reserved. Back To Top INDUSTRIAL HEATING ELEMENT An example of a flanged industrial heating element that can be used inlarge boilers.
CONVECTION HEATER RADIATOR An electric heater radiator. This type of heating uses convection to distribute the heat in the room. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To TopFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
SOURCE-VOLTAGE-VLED
@2019 EETech Media, LLC. All rights reserved. Back To Top INDUSTRIAL HEATING ELEMENT An example of a flanged industrial heating element that can be used inlarge boilers.
CONVECTION HEATER RADIATOR An electric heater radiator. This type of heating uses convection to distribute the heat in the room. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action itSOURCE-VOLTAGE-VLED
@2019 EETech Media, LLC. All rights reserved. Back To TopPULL-DOWN-RESISTOR
@2019 EETech Media, LLC. All rights reserved. Back To TopDISC VARISTOR
Disc varistor - Resistor Guide Disc varistorFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
DISC VARISTOR
A radially leaded, red, disc varistor RHEOSTAT SYMBOL AMERICAN The symbol for a rheostat according to the (old) ANSI standard. LED - LIGHT EMITTING DIODE - RESISTORGUIDE.COM This image shows a standard, red, light emitting diode. CONVECTION HEATER RADIATOR An electric heater radiator. This type of heating uses convection to distribute the heat in the room. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top CALCULATE-RESISTANCE-VALUE-OF-RESISTOR @2019 EETech Media, LLC. All rights reserved. Back To TopFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
SMD SOLDER PAD LAND PATTERN This drawing shows the typical sizes of a land pattern for SMD resistors. The length of the pads is indicated by ‘a’, width of the pad by ‘b’ and the gap between the solder pads by ‘c’. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top CALCULATE-RESISTANCE-VALUE-OF-RESISTOR @2019 EETech Media, LLC. All rights reserved. Back To TopFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
SMD SOLDER PAD LAND PATTERN This drawing shows the typical sizes of a land pattern for SMD resistors. The length of the pads is indicated by ‘a’, width of the pad by ‘b’ and the gap between the solder pads by ‘c’. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top RESISTOR EQUIVALENT CIRCUIT This diagram shows the equivalent circuit of a resistor with its parasitic capacitance and inductance. RESISTOR CIRCUIT NETWORK This diagram shows some resistor circuit networks as an example.FOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
WIRE-WOUND RESISTOR WITH ALUMINIUM HOUSING A 100 Watt wirewound resistor, chassis mountPHOTORESISTOR IMAGE
Image of a general photoresistor. The leads are attached to two electrode plates which are in contact with the light-sensitivematerial.
INDUSTRIAL HEATING ELEMENT An example of a flanged industrial heating element that can be used inlarge boilers.
CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
CONVECTION HEATER RADIATOR An electric heater radiator. This type of heating uses convection to distribute the heat in the room. ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top CALCULATE-RESISTANCE-VALUE-OF-RESISTOR @2019 EETech Media, LLC. All rights reserved. Back To TopFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
SMD SOLDER PAD LAND PATTERN This drawing shows the typical sizes of a land pattern for SMD resistors. The length of the pads is indicated by ‘a’, width of the pad by ‘b’ and the gap between the solder pads by ‘c’. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. DIGITAL POTENTIOMETER What is a digital potentiometer? A digital potentiometer (also known as digital resistor) has the same function as a normal potentiometer but instead of mechanical action it CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To Top CALCULATE-RESISTANCE-VALUE-OF-RESISTOR @2019 EETech Media, LLC. All rights reserved. Back To TopFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
RESISTOR IN SERIES WITH A LED This diagram shows how to connect a LED with a resistor in series tolimit the current.
SMD SOLDER PAD LAND PATTERN This drawing shows the typical sizes of a land pattern for SMD resistors. The length of the pads is indicated by ‘a’, width of the pad by ‘b’ and the gap between the solder pads by ‘c’. WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
CURRENT LIMITING » RESISTOR GUIDE @2019 EETech Media, LLC. All rights reserved. Back To TopFOIL RESISTOR
Foil resistors are the most precise and stable resistors available. The resistive element exists out of a proprietary bulk metal foil thatis cemented to
RESISTOR EQUIVALENT CIRCUIT This diagram shows the equivalent circuit of a resistor with its parasitic capacitance and inductance. WIRE-WOUND RESISTOR WITH ALUMINIUM HOUSING A 100 Watt wirewound resistor, chassis mountPHOTORESISTOR IMAGE
Image of a general photoresistor. The leads are attached to two electrode plates which are in contact with the light-sensitivematerial.
SMD SOLDER PAD LAND PATTERN This drawing shows the typical sizes of a land pattern for SMD resistors. The length of the pads is indicated by ‘a’, width of the pad by ‘b’ and the gap between the solder pads by ‘c’. INDUSTRIAL HEATING ELEMENT An example of a flanged industrial heating element that can be used inlarge boilers.
CERAMIC WIRE-WOUND RESISTOR A 5 Ohm ceramic wirewound resistor with a power rating of 20 Watt WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
CONVECTION HEATER RADIATOR An electric heater radiator. This type of heating uses convection to distribute the heat in the room. ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. RESISTOR SMD CODE » RESISTOR GUIDE SMD stands for Surface Mounted Device. An SMD is any electronic component that is made to use with SMT, or Surface Mount Technology. SMT was developed to meet the ongoing desire for printed circuit board manufacture to use smaller components and be faster, more efficient,and cheaper.
THIN AND THICK FILM » RESISTOR GUIDE Thin and thick film resistors are characterized by a resistive layer on a ceramic base. They might look similar, but their properties aredifferent.
PULL-UP-PULL-DOWN-RESISTOR @2019 EETech Media, LLC. All rights reserved. Back To Top VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
SOURCE-VOLTAGE-VLED
@2019 EETech Media, LLC. All rights reserved. Back To Top INDUSTRIAL HEATING ELEMENT An example of a flanged industrial heating element that can be used inlarge boilers.
WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
ABOUT » RESISTOR GUIDE The Resistor Guide provides users with information on an extensive array of resistors, their uses and applications. Visitors to the site will find information to help them understand about the many resistors available, along with guides on selecting the right components for their projects. The Resistorguide is the most complete reference workTHE RESISTOR GUIDE
The Resistor Guide www.resistorguide.com | Preface 7 PREFACE The resistor guide will guide you in the world of resistors. This book is designed as an educational reference. RESISTOR SMD CODE » RESISTOR GUIDE SMD stands for Surface Mounted Device. An SMD is any electronic component that is made to use with SMT, or Surface Mount Technology. SMT was developed to meet the ongoing desire for printed circuit board manufacture to use smaller components and be faster, more efficient,and cheaper.
THIN AND THICK FILM » RESISTOR GUIDE Thin and thick film resistors are characterized by a resistive layer on a ceramic base. They might look similar, but their properties aredifferent.
PULL-UP-PULL-DOWN-RESISTOR @2019 EETech Media, LLC. All rights reserved. Back To Top VARISTOR CHARACTERISTIC CURVE Fig 1: Varistor voltage-current characteristics. This figure shows the characteristic voltage-current relationship of a MOV varistor and aSiC varistor.
SOURCE-VOLTAGE-VLED
@2019 EETech Media, LLC. All rights reserved. Back To Top INDUSTRIAL HEATING ELEMENT An example of a flanged industrial heating element that can be used inlarge boilers.
WIRE WOUND HEATER FILAMENT This wirewound heating element is constructed of NiChrome wire. You can see the wire glowing in this picture. WINDOW HEATING SYMBOL The symbol which is used in the automotive industry to indicate rearwindow heating.
RESISTOR ON PCB
An image of a resistor which is mounted on a printed circuit board. The resistance of the resistor is 6.8kOhm, as can be seen from thecolor code blue
FORMULA FOR RESISTOR NOISE Formula used to characterize electrical noise. OHM'S LAW CHART P = I^2 * R This chart helps us to find out which version of Ohm’s law we should use. In this case P = I^2 * R is used to determine the power when the current and resistance are known. RESISTOR PREFERRED VALUE CHART An overview of how the E12 series is determined. The correct ratio is chosen based on the tolerance, in such way that there is no overlapbetween resistor
FORMULA RESISTORS IN PARALLEL LONG VERSION This formula can be used to calculate the resistance of n resistors inparallel.
OHM'S LAW CHART, V = P / I Using this helpful chart we can determine which version of Ohm's law we should use. In this situation we use V = P / I to calculate thevoltage from the
ELECTRICAL CALCULATOR GRAPH FOR OHMS LAW This graphic calculator helps you work with ohm's law and power law. For every parameter the formula's are listed. MAGNETO RESISTOR SYMBOL The standard symbol for a magnetic dependent resistor or magneto resistor. Share. Facebook Twitter Google + Pinterest VOLTAGE DEPENDENT RESISTOR SYMBOL AMERICAN Voltage dependent resistor symbol american. by resistorwp October 31, 2012. The symbol for a Voltage dependent resistor or varistor according to the ANSI standard. VOLTAGE DEPENDENT RESISTOR SYMBOL Voltage dependent resistor symbol. by resistorwp October 31, 2012. Varistor or voltage dependent resistor symbol according to the IECstandard.
__
__ __
* Fundamentals__
* What is a resistor?* Ohm’s law
* Kirchhoff law
* Electrical resistivity* Inductance
* Capacitance
* Resistance
* Resistor properties__* Noise
* Temperature Coefficient* Power rating
* Standards and codes__* Color code__
* Color code calculator* Standard values
* SMD codes
* Resistor Sizes and Packages* Symbols
* Types__
* Fixed
* Variable__
* Potentiometer__
* Potentiometer taper * Digital potentiometer* Rheostat
* Trimpot
* Thermistor__
* NTC thermistor
* PTC thermistor
* Varistor
* Magneto resistor
* Photoresistor
* Materials__
* Wirewound
* Carbon composition* Carbon film
* Metal film
* Metal oxide film
* Thin and thick film* Applications__
* In Parallel__
* Parallel resistor calculator* In Series
* Heating
* LED Current Limiting* Power
* Pull up / Pull down* Automotive Blower
* Shunt
* Braking resistor
* Resources__
* Books
* Suppliers
* Capacitor
__
* Fundamentals
* What is a resistor?* Ohm’s law
* Kirchhoff law
* Electrical resistivity* Inductance
* Capacitance
* Resistance
* Resistor properties* Noise
* Temperature Coefficient* Power rating
* Standards and codes* Color code
* Color code calculator* Standard values
* SMD codes
* Resistor Sizes and Packages* Symbols
* Types
* Fixed
* Variable
* Potentiometer
* Potentiometer taper * Digital potentiometer* Rheostat
* Trimpot
* Thermistor
* NTC thermistor
* PTC thermistor
* Varistor
* Magneto resistor
* Photoresistor
* Materials
* Wirewound
* Carbon composition* Carbon film
* Metal film
* Metal oxide film
* Thin and thick film* Applications
* In Parallel
* Parallel resistor calculator* In Series
* Heating
* LED Current Limiting* Power
* Pull up / Pull down* Automotive Blower
* Shunt
* Braking resistor
* Resources
* Books
* Suppliers
* Capacitor
__
__
RESISTOR GUIDE
by resistorwp
February 5, 2012
FUNDAMENTALS
Resistors are passive electrical components that reduce the flow of electrical current in a circuit.STANDARD AND CODES
Standardization is a key element in the design of electroniccomponents.
TYPES
There are a lot of different resistor types, all with their own application, characteristics and construction.MATERIALS
Resistors are produced with a wide variety of materials and manufactuing processes.APPLICATIONS
Resistors are used in a wide variety of applications. This category contains various pages explaining different resistor applications.RESOURCES
This category contains several interesting resources related to resistors. Including several interesting books on the subject of resistors and electronics, suppliers and more! Welcome to the resistor guide! The resistor guide will guide you in the world of resistors. This site is designed as an educational reference, serving as a reliable source for all information related to resistors. Several subjects will becovered including:
RESISTOR FUNDAMENTALS When you just start working with resistors you might wonder, what is aresistor ? or what
exactly is the resistance of a resistor? Whenever you
are working on circuits containing resistors, ohm’s law describes the fundamental behavior of resistors. Kirchhoff’s law can be used to analyse networks of resistors. Resistors have several properties besides their rated resistance, such as their temperature coefficient,
resistor noise and
power rating . These resistor properties can be important to take into account depending onthe application.
RESISTOR STANDARDS AND CODES Resistors are used and manufactured by thousands of companies and people worldwide. Therefore several standards exist which help to harmonize resistors throughout the world. To identify the value of axial resistors, a resistor color codeis used. This
color code consists of several colored bands. Surface mount resistors are identified by a numerical resistor code . The nominal values of resistors are also standardized. Several ranges of preferred resistor values are available. Another important aspect of resistor standardization is the use of standardized resistor symbols. The IEC standard
symbol of a fixed value resistor is shown.RESISTOR TYPES
Fixed resistor symbol Several different types of resistor exist. The most used resistors are fixed value resistors, but also variable resistors are very common. The most used variable resistors are the potentiometerand rheostat
. On the other hand there are a lot of resistors which have a variable resistance which is dependent on external factors such as temperature (thermistor ), light (photoresistor ), voltage (varistor ) or magnetic fields (magnetoresistor ).
RESISTOR MATERIALS
Resistors can be produced in several ways based on different materials. These different materials all have their own characteristics. One of the most used resistors nowadays is the carbon film resistor, other material resistors described on the resistor guide include: carbon composition resistors, metal
film resistors ,
metal oxide film resistors, foil
resistors and wire-woundresistors .
RESISTOR APPLICATIONS Resistors are used in numerous applications, including virtually every circuit and electric device. In a lot of circuits they are often used,connected in series
or in parallel
. A frequent
application in hobby projects is to use a resistor for a LED , to limit the current that will flow through the LED. A resistor can also be used to measure the current in a circuit, this is done using a shunt resistor.
Enjoy the Resistor Guide and please let us know whenever you have suggestions to improve thisresource.
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