CNY171W

Transistor, Photovoltaic Output Optoisolators Overview

The CNY171W is a single-channel optocoupler featuring a GaAsP infrared LED emitter and a transistor output with base terminal. It provides electrical isolation with a minimum collector-emitter breakdown voltage of 70 V and an insulation voltage rating of 7500 Vrms. The device operates within a temperature range of -40 °C to 100 °C, supports a maximum forward current of 60 mA, and offers a typical current transfer ratio of 40% at 10 mA input.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrated base terminal on the phototransistor for enhanced circuit flexibility
• High insulation voltage capability for robust signal isolation
• Lead-free construction compliant with RoHS standards

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission in noisy environments
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'W' against the manufacturer's official datasheet to confirm package type and material specifications. Ensure compliance with regional regulatory requirements such as RoHS and REACH before procurement. Cross-reference the component marking with the official part identification guide to prevent counterfeit substitution.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a transistor output with a base connection is required for improved switching speed or gain control. Verify that the 70 V collector-emitter breakdown voltage meets the load requirements. Confirm that the 6-pin DIP package fits the available PCB footprint and assembly constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the CNY171 series of optocouplers from onsemi. It shares the same functional architecture as other variants in the family but differs in packaging and specific environmental certifications. The series is designed for general-purpose isolation applications where cost-effectiveness and reliability are prioritized.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes within the same product family. Verify that any alternative maintains the 70 V breakdown voltage and similar current transfer ratio characteristics.