3bm » Electronics

Tools

Below are links to some useful design tools and resources:

Track Parameter Calculator

Wire Parameter Calculator

Wire Gauge Lookup Chart

Hole and Drill Data

EIA Standard Resistor Values

Surface Mount Resistor Markings

Capacitor Parameters

Passive SMD Case Size Codes

Currency Converter

Here is an external link to a great tool for calculating creepage and clearance requirements:

www.creepage.com