CNY172SM

Transistor, Photovoltaic Output Optoisolators Overview

The CNY172SM is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor with a base terminal, housed in a 6-SMD (gull-wing) package. The device provides an isolation voltage of 4170 Vrms and supports a maximum collector-emitter voltage of 70 V. Key electrical parameters include a current transfer ratio ranging from 63% to 125%, a maximum forward current of 60 mA, and a peak output current of 50 mA. Operating temperatures span from -40°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High breakdown voltage capability for robust signal isolation
• Integrated base terminal on the phototransistor for enhanced control
• Surface-mount design compatible with automated assembly processes

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation systems requiring galvanic isolation
• Motor drive circuits for feedback isolation
• Power supply control loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' against the manufacturer's latest datasheet to confirm pinout and packaging details. Ensure compliance with RoHS directives as indicated in official documentation. Cross-reference the component marking with the physical device to prevent counterfeit substitution during procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage is required alongside surface-mount constraints. The integrated base allows for faster switching or lower sensitivity adjustments compared to base-less variants. Verify that the 70 V collector-emitter rating meets the circuit's transient requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the CNY172 family of transistor output optocouplers. It shares functional similarities with other members like the CNY173SM but differs in current transfer ratio specifications. The SM suffix denotes the specific surface-mount gull-wing package configuration used by onsemi.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult the manufacturer's cross-reference guide for verified alternatives.