how to check if diode is good

To check if a diode is good, you can use a digital multimeter in diode test mode. Place the positive probe on the diode's anode and the negative probe on the cathode. A good diode will show a forward voltage drop of around 0.6 to 0.7 volts. Then, reverse the probes - the multimeter should show an "over limit" or "OL" reading, indicating that the diode is not conducting in the reverse direction. If the diode fails either of these tests, it is likely defective and should be replaced. Introducing our high-quality diode tester, the DiodeCheck 2000! This compact and versatile device is designed for quick and accurate testing of diodes in electronic circuits. With its simple operation and reliable results, the DiodeCheck 2000 is a must-have tool for technicians, hobbyists, and students working with electronic components. Save time and effort by swiftly identifying faulty diodes and ensuring optimal performance in your circuits. Get your DiodeCheck 2000 today and never worry about diode testing again!

banner

Hot Products

View More
  • Vishay General Semiconductor - Diodes Division VS-20CTH03SPBF

    Vishay General Semiconductor - Diodes Division VS-20CTH03SPBF

  • Vishay General Semiconductor - Diodes Division VSKJ270-12

    Vishay General Semiconductor - Diodes Division VSKJ270-12

  • Taiwan Semiconductor Corporation MUR1640CT

    Taiwan Semiconductor Corporation MUR1640CT

  • Vishay General Semiconductor - Diodes Division MBRB2045CTTRR

    Vishay General Semiconductor - Diodes Division MBRB2045CTTRR

  • onsemi SBR100-10JS

    onsemi SBR100-10JS

  • Vishay General Semiconductor - Diodes Division V20100RHM3/4W

    Vishay General Semiconductor - Diodes Division V20100RHM3/4W

  • Vishay General Semiconductor - Diodes Division 112CNQ030ASL

    Vishay General Semiconductor - Diodes Division 112CNQ030ASL

  • Vishay General Semiconductor - Diodes Division VS-16CTQ100STRL-M3

    Vishay General Semiconductor - Diodes Division VS-16CTQ100STRL-M3

  • onsemi 1SS383T1G

    onsemi 1SS383T1G

  • Fairchild Semiconductor FYP2004DNTU

    Fairchild Semiconductor FYP2004DNTU

  • Vishay General Semiconductor - Diodes Division 201CNQ050

    Vishay General Semiconductor - Diodes Division 201CNQ050

  • Vishay General Semiconductor - Diodes Division VS-VSKJ236/04PBF

    Vishay General Semiconductor - Diodes Division VS-VSKJ236/04PBF

Related Blogs

  • 2025 / 01 / 04

    Understanding the Role of IC Chips and Circuits in Modern Computers

    ...

    Understanding the Role of IC Chips and Circuits in Modern Computers
  • 2026 / 01 / 02

    Understanding Crystal Oscillators and Programmable Oscillators: The Backbone of Modern Electronics

    ...

    Understanding Crystal Oscillators and Programmable Oscillators: The Backbone of Modern Electronics
  • 2025 / 12 / 27

    Illuminating Your Space: The Benefits of PIR Motion Sensors and Optical Motion Sensors

    ...

    Illuminating Your Space: The Benefits of PIR Motion Sensors and Optical Motion Sensors
  • 2025 / 12 / 22

    Understanding RF Modulators, Receivers, and Transmitters: The Backbone of Wireless Communication

    ...

    Understanding RF Modulators, Receivers, and Transmitters: The Backbone of Wireless Communication
  • 2025 / 12 / 15

    The Evolution of Light Emitting Diodes: From Traditional LEDs to Organic and Schottky Variants

    ...

    The Evolution of Light Emitting Diodes: From Traditional LEDs to Organic and Schottky Variants
  • 2025 / 12 / 05

    The Evolution and Impact of Interface Chips, Logic Chips, and Microprocessor Chips in Modern Technol

    ...

    The Evolution and Impact of Interface Chips, Logic Chips, and Microprocessor Chips in Modern Technol
  • 2025 / 11 / 24

    Understanding Voltage Reference and Voltage Regulators in Integrated Circuits

    ...

    Understanding Voltage Reference and Voltage Regulators in Integrated Circuits
  • 2025 / 11 / 15

    Understanding Counter Chips: A Deep Dive into Types of Integrated Chips and Embedded Chips

    ...

    Understanding Counter Chips: A Deep Dive into Types of Integrated Chips and Embedded Chips
  • 2025 / 11 / 07

    The Art and Science of IC Design: Bridging the Gap Between IC Circuits and Computer Technology

    ...

    The Art and Science of IC Design: Bridging the Gap Between IC Circuits and Computer Technology
  • 2025 / 11 / 01

    Understanding Instrumentation Amplifiers: The Role of Inverting and Non-Inverting Amplifiers in Oper

    ...

    Understanding Instrumentation Amplifiers: The Role of Inverting and Non-Inverting Amplifiers in Oper
Inquiry Now
How can we help you?

In Stock

Please send RFQ , we will respond immediately.

TOP