CNY171

Transistor, Photovoltaic Output Optoisolators Overview

The CNY171VM is a single-channel optocoupler featuring an infrared LED input and an NPN phototransistor output with a base terminal. It utilizes a 6-pin MDIP package for through-hole mounting. Key electrical parameters include a collector-emitter breakdown voltage of 70 V, a maximum forward current of 60 mA, and a typical current transfer ratio ranging from 40% to 80%. The device offers an isolation voltage of 4170 Vrms or 7500 VAC, with operating temperatures spanning -40°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a base terminal on the phototransistor output to facilitate faster switching speeds and improved linearity compared to standard configurations.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation in industrial control systems
• Microcontroller interface circuits requiring galvanic separation
• Low-speed data transmission links

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., VM) against official datasheets to confirm package type and compliance status. Ensure the selected variant matches the required isolation voltage rating and thermal characteristics for the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a base terminal is required for enhanced switching performance. Compare the 40-80% current transfer ratio range against circuit requirements. Confirm that the 60 mA maximum forward current and 70 V collector-emitter voltage meet the system's electrical constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the CNY17 series of general-purpose optocouplers manufactured by onsemi. The series provides reliable DC input to transistor output isolation in compact packages suitable for various electronic applications requiring electrical safety standards.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

CNY171SR2M: Surface mount equivalent with identical electrical characteristics and base terminal configuration.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the function of the base terminal on the phototransistor?

The base terminal allows for external biasing or pull-down connections, enabling faster turn-off times and improved linearity compared to floating-base configurations.

What is the maximum isolation voltage rating?

The device supports an isolation voltage of 4170 Vrms or 7500 VAC, depending on the specific certification and testing conditions defined in the datasheet.