Power Electronics

800V Optically Isolated AC Power Switch Utilizing Dual-Power SCR Outputs

IXYS Integrated Circuits Division (ICD), Inc., a wholly owned subsidiary of IXYS Corporation, announced the availability of the CPC1964B, an AC Solid State Switch utilizing dual power SCR outputs. This device also includes zero-cross turn-on circuitry and is specified with a blocking voltage of 800Vp.

In addition, the tightly controlled zero-cross circuitry ensures low noise switching of AC loads by minimizing the generation of transients. The optically coupled input and output circuits provide 5000Vrms of isolation between the control and load circuits. As a result, the CPC1964B is well suited for industrial environments where electromagnetic interference would disrupt the operation of plant facility communication and control systems.

The 8-Pin Power SOIC enables 800Vp of blocking voltage and 5kV of isolation; 12.5mm of external creepage distance can be achieved with the appropriate layout. The CPC1964B is approved to UL508 for General loads.  The approval allows for operation at 1.5Arms on AC lines rated between 20Vrms to 280Vrms.

Typical applications include programmable controls, power control panels, remote switching, gas pump electronics, powerline communication, powerline control and power meters.

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