TURN-KEY PCB ASSEMBLY AND MANUFACTURINGABOUT USSERVICESQUALITYRESOURCESBLOGCONTACT US Turn-key Printed Circuit Board assembly is our specialty. By our unique designed assembly process, we are able to provide ISO 9001:2015 certified Printed Circuit Board manufacturing and assembly services for prototype and low-volume to mid-volume orders at low cost. PCB TRACE WIDTH CALCULATOR Notes: The formula for calculating allowable current through a trace is published in the IPC-2221 standard section 6.2 as shown below. Internal traces : I = 0.024 x dT 0.44 x A 0.725 External traces: I = 0.048 x dT 0.44 x A 0.725 Where I is maximum current in Amps, k is a constant, dT is temperature rise above ambient in °C, & A is cross sectional area of trace mils². FIRST ARTICLE INSPECTION (FAI) IN THE PCB ASSEMBLY PROCESS Bittele Electronics discusses what first article inspections (FAI) are and how they demonstrate quality of work. FAIs incorporate parts management, 3D solder paste inspections, automated optical inspections, instrumentation, parts orientation, and reference verification processes. CAREERS - BITTELE ELECTRONICS - 7PCB.COM Production Facility Canada Bittele Electronics Inc 2680 14th Avenue, Unit 1&2 Markham, ON L3R 5B2, Canada Tel: 1-416-800-7540 Fax: 1-416-800-7548 Sales Tel: 1-888-812-1949 (Toll Free) Email: sales@7pcb.com Production Facility China PRINTED CIRCUIT BOARD (PCB) DESIGN SERVICES IN TORONTO Printed Circuit Board (PCB) Design Services in Toronto The PCB designing is the most vital part of the complete circuit board; thus most of the clients want to have a best electronic manufacturer offering this core design service. RIGID PCB DESIGN FOR ASSEMBLY GUIDE BITTELE ELECTRONICS DFA GUIDE FOR PCB DESIGNERS PAGE 5 OF 44 Document Contents ©Bittele Electronics 2021 1.0 – Introduction The purpose of this Design for Assembly (DFA) guide is to assist Bittele’s customers in designing printed circuit FR-4 PREPREG/BONDING STAGE MATERIAL DESCRIPTION AND Bittele specializes in PCB Fabrication and Assembly Services. It discusses prepreg or B-stage bonding material for multilayer PCBs, including 106, 1080, 2113, 2116 and 7628 styles used by board

fabricators.

LAND PATTERNS VS. FOOTPRINTS: WHAT’S THE DIFFERENCE? Land Patterns vs. Footprints: What are the Differences? The terms “land pattern” and “footprint” are often used interchangeably in the PCB Assembly industry, and while these terms are similar, there is some nuance that draws a distinction between them. Some might say that this distinction is overly pedantic, but in truth there are instances where it is functionally useful to understand SOLDER TINNED PADS VS GOLD PLATED PADS Production Facility Canada Bittele Electronics Inc 2680 14th Avenue, Unit 1&2 Markham, ON L3R 5B2, Canada Tel: 1-416-800-7540 Fax: 1-416-800-7548 Sales Tel: 1-888-812-1949 (Toll Free) Email: sales@7pcb.com Production Facility China HOW TO EXPORT GERBER FILES FROM PROTEL 99SE Bittele offers a tutorial on how to export Gerber files from Protel 99se, including generating Gerber files, setting the units and format, specifying plot layers, and generating drill files. TURN-KEY PCB ASSEMBLY AND MANUFACTURINGABOUT USSERVICESQUALITYRESOURCESBLOGCONTACT US Turn-key Printed Circuit Board assembly is our specialty. By our unique designed assembly process, we are able to provide ISO 9001:2015 certified Printed Circuit Board manufacturing and assembly services for prototype and low-volume to mid-volume orders at low cost. PCB TRACE WIDTH CALCULATOR Notes: The formula for calculating allowable current through a trace is published in the IPC-2221 standard section 6.2 as shown below. Internal traces : I = 0.024 x dT 0.44 x A 0.725 External traces: I = 0.048 x dT 0.44 x A 0.725 Where I is maximum current in Amps, k is a constant, dT is temperature rise above ambient in °C, & A is cross sectional area of trace mils². FIRST ARTICLE INSPECTION (FAI) IN THE PCB ASSEMBLY PROCESS Bittele Electronics discusses what first article inspections (FAI) are and how they demonstrate quality of work. FAIs incorporate parts management, 3D solder paste inspections, automated optical inspections, instrumentation, parts orientation, and reference verification processes. CAREERS - BITTELE ELECTRONICS - 7PCB.COM Production Facility Canada Bittele Electronics Inc 2680 14th Avenue, Unit 1&2 Markham, ON L3R 5B2, Canada Tel: 1-416-800-7540 Fax: 1-416-800-7548 Sales Tel: 1-888-812-1949 (Toll Free) Email: sales@7pcb.com Production Facility China PRINTED CIRCUIT BOARD (PCB) DESIGN SERVICES IN TORONTO Printed Circuit Board (PCB) Design Services in Toronto The PCB designing is the most vital part of the complete circuit board; thus most of the clients want to have a best electronic manufacturer offering this core design service. RIGID PCB DESIGN FOR ASSEMBLY GUIDE BITTELE ELECTRONICS DFA GUIDE FOR PCB DESIGNERS PAGE 5 OF 44 Document Contents ©Bittele Electronics 2021 1.0 – Introduction The purpose of this Design for Assembly (DFA) guide is to assist Bittele’s customers in designing printed circuit FR-4 PREPREG/BONDING STAGE MATERIAL DESCRIPTION AND Bittele specializes in PCB Fabrication and Assembly Services. It discusses prepreg or B-stage bonding material for multilayer PCBs, including 106, 1080, 2113, 2116 and 7628 styles used by board

fabricators.

LAND PATTERNS VS. FOOTPRINTS: WHAT’S THE DIFFERENCE? Land Patterns vs. Footprints: What are the Differences? The terms “land pattern” and “footprint” are often used interchangeably in the PCB Assembly industry, and while these terms are similar, there is some nuance that draws a distinction between them. Some might say that this distinction is overly pedantic, but in truth there are instances where it is functionally useful to understand SOLDER TINNED PADS VS GOLD PLATED PADS Production Facility Canada Bittele Electronics Inc 2680 14th Avenue, Unit 1&2 Markham, ON L3R 5B2, Canada Tel: 1-416-800-7540 Fax: 1-416-800-7548 Sales Tel: 1-888-812-1949 (Toll Free) Email: sales@7pcb.com Production Facility China HOW TO EXPORT GERBER FILES FROM PROTEL 99SE Bittele offers a tutorial on how to export Gerber files from Protel 99se, including generating Gerber files, setting the units and format, specifying plot layers, and generating drill files. PART-TO-PART, PART-TO-HOLE, AND PART-TO-BOARD EDGE SPACING PCB Part-to-Part, Part-to-Hole, and Part-to-Board Edge Spacing The spacing and land pattern design for each component package will impact the overall reliability and timeline requirements for the PCB Assembly Process, and will also have a considerable impact on the repairability of a PCB.In order to help our customers make the most out of their Turnkey PCB experience, Bittele Electronics has WHAT DESIGN FILES ARE NECESSARY FOR PCB MANUFACTURING AND What Design Files Are Necessary for PCB Manufacturing & Assembly? Bittele Electronics is focused on board level Turnkey services. Once your PCB design is ready, there are a few files that you will need to generate in order for production to begin. SLOTS AND CUTOUTS IN PCB FABRICATION AND PCB ASSEMBLY Slots and Cutouts in PCB Fabrication and Assembly In addition to the relatively small holes required for Through Hole PCB Assembly and the mounting holes located on a board, many PCBs also specify Slots and Cutouts, also known as Internal Routing. These names are used to refer to holes in the PCB that are too large or irregularly shaped to be created by normal drilling methods, and must IPC-7530A: A NEW SOLDERING STANDARD FOR YOUR PCB PROJECT IPC-7530A: A New Soldering Standard for Your Circuit Board Project Bittele Electronics is a longstanding Certified IPC Member Facility, and our clients often ask us about IPC standards for their PCB projects.We most commonly receive questions about the well-known IPC-A-610 Class 2 and Class 3 PCB Assembly standards, both of which are well within our capabilities, but occasionally our clients LAND PATTERNS VS. FOOTPRINTS: WHAT’S THE DIFFERENCE? Land Patterns vs. Footprints: What are the Differences? The terms “land pattern” and “footprint” are often used interchangeably in the PCB Assembly industry, and while these terms are similar, there is some nuance that draws a distinction between them. Some might say that this distinction is overly pedantic, but in truth there are instances where it is functionally useful to understand SOLDER TINNED PADS VS GOLD PLATED PADS Production Facility Canada Bittele Electronics Inc 2680 14th Avenue, Unit 1&2 Markham, ON L3R 5B2, Canada Tel: 1-416-800-7540 Fax: 1-416-800-7548 Sales Tel: 1-888-812-1949 (Toll Free) Email: sales@7pcb.com Production Facility China HOW TO EXPORT GERBER FILES FROM PROTEL 99SE Production Facility Canada Bittele Electronics Inc 2680 14th Avenue, Unit 1&2 Markham, ON L3R 5B2, Canada Tel: 1-416-800-7540 Fax: 1-416-800-7548 Sales Tel: 1-888-812-1949 (Toll Free) Email: sales@7pcb.com Production Facility China HOW TO CREATE A CENTROID FILE FROM EAGLE? Bittele Electronics, a turn-key PCB manufacturer, has published technical information on the use Centroid files in the automated PCB assembly process, as well as suggestions on how to create a Centroid file using Eagle, Altium or ORCAD/ALLEGRO software. HOW TO EXPORT GERBER FILES FROM AUTOCAD Production Facility Canada Bittele Electronics Inc 2680 14th Avenue, Unit 1&2 Markham, ON L3R 5B2, Canada Tel: 1-416-800-7540 Fax: 1-416-800-7548 Sales Tel: 1-888-812-1949 (Toll Free) Email: sales@7pcb.com Production Facility China WHICH SOLDERING DEFECTS ARE RELATED TO THE INCORRECT SETUP? Which Soldering Defects are Related to the Incorrect Setup of the Reflow Profile? As shown in the figure below, there are four different zones in a typical refow profile Our production facilities continue to be 100% operational and continue to apply the safety measures. Please read our response to COVID-19 and contingency plan .

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TURN-KEY PRINTED CIRCUIT BOARD ASSEMBLY SERVICES Bittele Electronics was founded in 2003 and has since established itself as a reliable full turn-key PCB service solution for prototype quantities as well as small-volume to mid-volume production runs , and a one stop PCB manufacturing and assembly company. As a provider of one stop PCB assembly services, our firm provides expert consulting in Design for Manufacturing (DFM). Our facility in Toronto, Canada incorporates our Head Office, Sales Office, Parts Procurement Team, as well as our new State-of-the-Art PCB Assembly line. This allows us to provide low cost PCB manufacturing , parts procurement , and PCB assembly using local supply chains, while still staying in close contact with our customers primarily located in Canada and United States . As an ISO13485-Certified

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