CNY172FM

Transistor, Photovoltaic Output Optoisolators Overview

The CNY172FM is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor with a base terminal for enhanced switching control and stability. The device provides high isolation capability of 7500 Vpk between the input LED and output transistor. It is housed in a compact 6-SMD (gull-wing) surface-mount package, suitable for automated assembly processes. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a forward current of 60 mA, and a typical current transfer ratio up to 125%. The unit operates within a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrated base terminal on the NPN phototransistor allows for improved switching speed and reduced storage time compared to standard configurations.
• High insulation voltage rating of 7500 Vpk ensures robust safety isolation for sensitive circuit interfaces.
• Surface-mount 6-SMD gull-wing package design facilitates efficient PCB layout and automated manufacturing integration.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial communication protocols
• Interface circuits for microcontrollers and logic systems
• Power supply feedback loops requiring galvanic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix FM against the official datasheet to confirm the 6-SMD gull-wing package variant. Ensure the procurement source provides valid RoHS compliance documentation as required for modern electronic assemblies. Confirm that the supplier is an authorized distributor to guarantee component authenticity and traceability. Check for any recent product change notices regarding packaging or material composition updates.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when surface-mount technology is required for optocouplers with integrated base terminals. The CNY172FM offers a balance of high isolation voltage and compact form factor. Consider the 6-SMD footprint constraints during PCB design. Compare performance metrics such as propagation delay and current transfer ratio against alternative SMD optocouplers if space or speed is critical.

Transistor, Photovoltaic Output Optoisolators Part Context

The CNY172 series represents a family of general-purpose transistor output optocouplers widely used in industrial and consumer electronics. The FM suffix specifically denotes the surface-mount version with gull-wing leads, distinguishing it from through-hole DIP variants like the CNY172VM. This family is known for its reliability and cost-effectiveness in providing electrical isolation between low-voltage control circuits and higher-voltage power stages.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct pin-compatible replacements may include other 6-SMD transistor output optocouplers with similar isolation ratings. Verify that substitute parts maintain the same base-terminal configuration and package dimensions. Cross-reference current transfer ratio and breakdown voltage specifications to ensure functional equivalence in the target application.