Associations, Organizations, Government

• Electronic Industries Association
• Federal Communications Commission (FCC)
• IEEE

Connectors

• Aries Electronics
• ERNI GmbH
• Samtec
• Tyco

Crystals, Clocks, Oscillators

• Ecliptek Corporation
• Fox Electronics

Design

• Darnell's Power Electronics Home Page
• Lazar's Power Electronics Corner
• Mathtools.net
• Dr. Middlebrook's Structured Analog Design Course
• Ridley Engineering, Inc. - Power Supply Design Tips
• Ridley Engineering, Inc. - Switching Power Supply Products and Services
• SMPS Power Supplies, Inc.

Distributors

• Allied Electronics
• Avnet
• Digi-Key Corporation
• Electronix Express (A Division of R.S.R. Electronics, Inc.)
• Future Electronics
• Mouser Electronics

Hardware

• Bivar
• Keystone Electronics Corporation
• Unicorp

Information

• Power Electronics Technology
• Power Electronics Laboratory at UCI
• PQ Online Magazine Entrance Page
• The World-Wide Web Virtual Library: Electrical Engineering
• Virtual Trade Show
• VirginiaTech

Instrumentation

• Agilent
• Gage Applied Sciences
• GE
• LeCroy Corporation
• National Instruments
• OMEGA Engineering, Inc.
• Tektronix Inc.
• Venable Industries, Inc.

Magnetics

• Prem Magnetics Incorporated

Miscellaneous

• Greetings From Babylon 5

Passives

• Bourns Incorporated
• Caddock Electronics
• Kemet Electronics
• Panasonic
• Sanyo
• TDK
• Toko

Power Supplies

• Kepco, Inc.
• Vicor

Printed Circuit Boards

• Cirexx

Relays

Software

• Artwork Conversion Software Tools
• SMPS Power Supplies, Inc.
• Spectrum Software
• Zuken

 Switches

• E-Switch