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Technical info for PCB designers

Breadcrumb

  • Home
  • Technical info for PCB designers

Clearance and insulation

  • Calculating Creepage and Clearance Early Avoids Design Problems Later
  • High Voltage Spacing
  • Calculating spacing between PCB traces for various voltage levels
  • European standard: EN60065:2002 "Audio, video and similar electronic apparatus. Safety requirements"
  • IPC standard: IPC-2221B "Generic Standard on Printed Board Design"
  • Saturn PCB Design Toolkit A free download tool for calculating conductor spacing and other parameters

Current carrying capacity

  • Articles on Trace Current/Temperature/Power/Resistance
  • IPC standard: IPC-2152 "Standard for Determining Current Carrying Capacity in Printed Board Design"
  • Saturn PCB Design Toolkit A free download tool for calculating current carrying capacity and other parameters
  • Online ANSI IPC-2221A PCB Trace Width Calculator

Impedance calculators

  • Multiple Dielectric Transmission Line Calculator An open source 2D field solver for Windows
  • Chemandy Electronics online calculators
  • Saturn PCB Design Toolkit A free download tool for calculating transmission line impedance and other parameters

High-Density BGA

  • Designing With High-Density BGA Packages for Altera Devices
  • High-Density Design With MicroStar BGAs
  • 96 and 114 Ball Low-Profile Fine-Pitch BGA Packages
  • Xilinx Device Package User Guide Board Routability Guidelines with Xilinx Fine-Pitch BGA Packages section of the Recommended PCB Design Rules chapter.

Miscellaneous topics

  • How to be a Circuit Board designer
  • Articles by Doug Brooks, UltraCAD Design
  • Guidelines for flex boards
  • IPC-4761 Via types

Dielectric materials datasheets

  • IPC standard: IPC-4101E "Specification for Base Materials for Rigid and Multilayer Printed Boards"
  • Arlon: Everything You Wanted to Know About Laminates

Standard FR-4 materials

  • Isola DE104
  • Nan Ya Plastics NP-140TL
  • Panasonic R1755C
  • Panasonic R1566W (Halogen free)
  • Taiwan-Leader

High-Tg FR-4 materials

  • Isola 370HR
  • ITEQ IT-180A (Low CTE)
  • Kingboard KB-6168
  • Panasonic R1755V

Other materials

  • Arlon 25FR (Low-Er)
  • Rogers 4003C and 4350B (Low-Er)
  • Taconic RF-35 (Low-Er)
  • Arlon 85N (Polyimide)
  • Thinflex-A (flexible polyimide)
  • Arlon 45NK (Woven Aramid Reinforced Epoxy)
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