CNC1S171S

Transistor, Photovoltaic Output Optoisolators Overview

The Panasonic CNC1S171S is a photovoltaic output optoisolator housed in a 4-DIP package with a 0.400-inch (10.16mm) width. It provides an isolation voltage of 5000Vrms between input and output circuits. The device features a minimum current transfer ratio of 50% when tested at a forward current of 5mA. This component is designed for isolated signal transmission applications requiring high reliability and electrical separation.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Photovoltaic output architecture for galvanic isolation
• High input-to-output isolation voltage rating
• Defined current transfer ratio for signal integrity

Transistor, Photovoltaic Output Optoisolators Applications

• Isolated signal transmission systems
• Industrial control circuitry
• Motor control cabinets

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the part status carefully, as official records indicate this specific model may be obsolete. Confirm availability through authorized distributors or secondary market suppliers. Ensure the 4-DIP package dimensions match your PCB footprint requirements. Check for updated replacement recommendations from Panasonic if new designs are being initiated.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is critical for safety or noise immunity. The photovoltaic output type requires external biasing on the output side compared to transistor outputs. Evaluate the 50% CTR specification against your load requirements at the specified 5mA drive current to ensure proper switching performance.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the Panasonic CNC series of optoisolators, which are engineered for industrial automation and control environments. The series emphasizes robust isolation capabilities and compact packaging solutions suitable for dense circuit board layouts. These components support reliable data transfer across isolated boundaries in sensitive electronic systems.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Panasonic's parametric search tool or technical support for current equivalent recommendations if this obsolete part is required for maintenance.