CNY172300

Transistor, Photovoltaic Output Optoisolators Overview

The CNY172300 is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor with a base terminal for enhanced switching speed and stability. The device provides high isolation voltage of 5300 Vrms, suitable for demanding industrial environments. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a forward current of 90 mA, and a typical current transfer ratio of 125% at 10 mA input. It operates within a temperature range of -55°C to +100°C and is housed in a PDIP-6 package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrated base terminal on the phototransistor to improve switching performance and reduce storage time.
• High insulation voltage capability ensuring reliable signal transmission across isolated circuits.
• Wide operating temperature range supporting functionality in harsh environmental conditions.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems requiring galvanic isolation
• Power supply feedback loops for voltage regulation
• Microcontroller interface circuits for noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors as the part status is obsolete. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for any parameter updates prior to integration into new designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and fast switching are required. The base terminal allows for external biasing to optimize turn-off times. Ensure input current limits are respected to maintain long-term reliability and prevent LED degradation.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the CNY17 series of optocouplers, designed for general-purpose isolation applications. It offers a balance between cost-effectiveness and performance, widely used in legacy and existing industrial equipment designs where space and power constraints are moderate.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include the CNY172VM. Verify pin compatibility and electrical specifications before substitution. Ensure the replacement meets the same isolation voltage and thermal requirements for the specific application.

Transistor, Photovoltaic Output Optoisolators FAQ

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

The base terminal allows for external connection to improve switching speed and provide additional control over the phototransistor's operation, reducing storage time during turn-off.

What is the maximum isolation voltage of the CNY172300?

The device supports an isolation voltage of 5300 Vrms, providing robust protection against high voltage transients between input and output circuits.