CNY17-4S(TA)

Transistor, Photovoltaic Output Optoisolators Overview

The CNY17-4S(TA) is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output with a collector-emitter voltage of 80 V and a maximum collector-emitter saturation voltage of 300 mV. The device provides high isolation voltage of 5000 Vrms between input and output circuits. It operates within a temperature range of -55°C to +110°C and has a power dissipation rating of 200 mW. The component utilizes a surface-mount package configuration.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability between input and output circuits
• NPN phototransistor output configuration for signal transmission
• Extended operating temperature range suitable for harsh environments
• Compact surface-mount package design

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring circuit isolation
• Signal transmission in microprocessor-based systems
• Power supply feedback loops for safety isolation
• Solid-state relay driver circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix TA indicates the tape-and-reel packaging format as documented in official datasheets. Confirm RoHS compliance status through current manufacturer declarations. Ensure the ordering part number matches the exact electrical characteristics required, particularly the current transfer ratio group associated with the -4 designation. Cross-reference pin configurations with schematic diagrams prior to PCB layout implementation.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a narrow current transfer ratio range of 160% to 320% is required for precise analog or digital switching applications. The internal base connection allows for improved noise immunity compared to devices without base terminals. Consider the 10 us rise and fall times for signal integrity in moderate-speed digital interfaces. Evaluate thermal management requirements given the 200 mW power dissipation limit in enclosed assemblies.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the CNY17-X series of phototransistor optocouplers from Everlight. The series offers various current transfer ratio groups designated by suffix numbers. The CNY17-4 variant specifically targets applications needing higher gain than standard general-purpose isolators. The SMD variant provides automated assembly compatibility while maintaining the electrical performance of its through-hole counterparts.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Equivalent parts include CNY17-4S(TA)-V which shares identical electrical specifications but may differ in reel packaging quantity. Other CNY17-4 variants without the SMD suffix offer through-hole mounting options. Verify pinout compatibility before substituting with generic NPN phototransistor optocouplers lacking the specific internal base structure.