IXYS has gained a worldwide reputation as a premier power semiconductor manufacturer. Its diversified product base of specialized power semiconductors, integrated circuits and RF power is utilized by more than 2500 customers worldwide, ranging across industrial, transportation, telecommunications, computer, medical, consumer and clean tech markets. Learn more about IXYS’ 28-year history, its founder Dr. Nathan Zommer, its divisions and current growth.

Single Pole, Normally Closed OptoMOS® Relay

The CPC1333 is a single-pole, normally closed optoMOS® relay featuring 5000 Vrms input/output isolation voltage and blocking voltage of 350 Vp. It is 100% solid state and offers low drive power requirements that are TTL/CMOS compatible.

The relay output is constructed with efficiency MOSFET switches that use IXYS Integrated Circuits Division’s patented OptoMOS architecture. The input, a highly efficiency GaAlAs infrared LED, controls the optically coupled output.


  • 5000 Vrms Input/Output Isolation
  • 350 Vp Blocking Voltage 
  • 100% Solid State
  • Low Drive Power Requirements (TTL/CMOS Compatible)
  • Arc-Free with No Snubbing Circuits 
  • No EMI/RFI Generation 
  • Small 4-pin Package
Source: IXYS

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