CNY174VM

Transistor, Photovoltaic Output Optoisolators Overview

The CNY174VM is a single-channel transistor output optocoupler manufactured by Fairchild Semiconductor. It integrates a Gallium Arsenide infrared emitting diode coupled with an NPN phototransistor featuring a base terminal for enhanced switching control. The device provides high isolation voltage of 4170 Vrms and supports a collector-emitter voltage of 70 V. It operates within a temperature range of -40°C to +100°C, with a current transfer ratio ranging from 160% to 320%. The component is housed in a PDIP-6 package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a Gallium Arsenide IRED with an NPN phototransistor for signal transmission
• Includes a base terminal on the phototransistor to improve switching speed and linearity
• Provides high electrical isolation between input and output circuits
• Designed for through-hole mounting in standard DIP configurations

Transistor, Photovoltaic Output Optoisolators Applications

• Power supply regulators
• Digital logic inputs
• Microprocessor inputs
• Appliance sensor systems
• Industrial controls

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'VM' against the manufacturer's latest datasheet to confirm pinout and insulation ratings. Confirm RoHS compliance status as manufacturing processes may evolve. Check for active production status or obsolescence notices from onsemi/Fairchild before finalizing procurement plans.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and controlled switching speed are required. The base terminal allows for faster turn-off times compared to standard phototransistors. Ensure the application voltage does not exceed the 70 V collector-emitter rating. Verify that the required current transfer ratio falls within the specified 160% to 320% range for the target operating conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the CNY17 series of transistor output optocouplers. The series is widely used for general-purpose isolation in industrial and consumer electronics. The CNY174 variant specifically denotes the 4x current transfer ratio group within the family, offering higher gain than lower-numbered variants like CNY171.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements include other CNY174 variants such as CNY174FVM, noting potential differences in packaging or certification. Cross-referencing with MOC810XM devices is possible due to similar internal structures, but pinouts and electrical characteristics must be verified against official datasheets.