Diode and LED FAQS

Frequently Asked Questions about Diodes and LEDs is another in a series of FAQS about electricity and electronics that are oriented toward Appliance Technicians and HVAC Technicians. Frequently Asked Questions about Diodes and LEDs Q. What is a Diode?A. An electronic component that passes current in only one direction. Q. What are the two electrical […]

How to Test Diodes – LEDs, Microwave, Zener, and Standard

How to test Different Types of Diodes Testing diodes is primarily a matter of checking the forward and reverse bias voltages. LEDs have a higher forward bias than most diodes. The high-powered ones used for lighting usually cannot be tested with the diode check function on your meter nor with a simple resistance check. The […]