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Features and Applications

The CPC1302GSTR is a dual optocoupler with two identical, independent channels, each having a unidirectional input and a high-voltage Darlington output. Light output from the highly efficient GaAlAs infrared LED activates its associated, optically coupled silicon NPN photo-Darlington output transistor.

The input LED and the output transistor are separated by a 3750 Vrms isolation barrier.
With a LED current of only 1 mA, a current transfer ratio of 1000% to 8000% is guaranteed at the collector of the 350V Darlington output transistor. The CPC1302's low input current capability with high current transfer ratios, output voltage capability, and isolation barrier rating make it ideal for many applications such as telecom, industrial, and power control.


  • 350 VP Breakdown Voltage
  • 3750 Vrms Input/Output Isolation
  • Machine Insertable, Wave Solderable
  • Surface Mount Tape & Reel Version Available


  • Telecom Switching
  • Tip/Ring Circuits
  • Hook Switch
  • Modem Switching (Laptop, Notebook, Pocket Size)
  • Loop Detect
  • Ringing Detect
  • Current Sensing