PhotoMOS Relays

PhotoMOS Relays are part of CODICOs product range.

How Do PhotoMOS Relays Work?

The input pins of PhotoMOS relays are connected to a light emitting diode which emits infrared light as soon as it is energized. Below the LED is an optoelectronic component that switches the output transistors. The entire unit is molded in translucent resin, which ensures galvanic separation between input and output. PhotoMOS relays are used in the field of:

  • Medical Devices
  • Telecommunication
  • Measurement and instrumentation
  • Security devices 
  • Industrial control
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Advantages of PhotoMOS Relays

  • Low control current
  • Extremely long product life
  • Fast and no noise switching
  • High vibration and shock resistance
  • Small size
  • Flexible mounting position
  • THT and SMD versions for automatic assembly

Manufacturers & Contacts

The GOODSKY company logo.


GOODSKY Electric is a leading manufacturer of electromechanical relays for applications in white and brown goods, industry, telecommunications, and office automation, as well as in the automotive industry.

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Samples Request


For a fast time-to-market: The latest samples and evaluation boards are waiting for you. You are welcome to send us your sample requests by phone or e-mail.

We are gladly there for you!