CNY17-4.

Transistor, Photovoltaic Output Optoisolators Overview

The Vishay CNY17-4 is a single-channel transistor output optocoupler housed in a 6-DIP package. It features an NPN phototransistor with a base connection for improved switching performance. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a forward current of 60 mA, and a forward voltage of 1.65 V. The device offers a high current transfer ratio ranging from 160% to 320% at 10 mA input. It provides 5000 Vrms isolation voltage and operates within a temperature range of -55°C to +110°C. Switching characteristics include rise and fall times of 2 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an NPN phototransistor with an accessible base terminal to facilitate faster switching speeds and reduced storage time compared to standard configurations.
• Provides robust electrical isolation with a dielectric strength of 5000 Vrms between the infrared LED input and the phototransistor output.
• Delivers high current transfer efficiency with a guaranteed minimum ratio of 160%, ensuring reliable signal transmission across varying operating conditions.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Interface circuits for microprocessors and logic gates
• Power supply feedback loops for voltage regulation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm the specific suffix matches the required current transfer ratio bin. Ensure compliance with RoHS directives if environmental regulations apply to your assembly process. Cross-reference the ordering number with distributor catalogs to confirm availability and lead times prior to procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed switching is required due to its base-connected phototransistor design. Choose based on the necessary isolation voltage rating of 5000 Vrms for safety-critical applications. Consider the 160-320% current transfer ratio range to ensure adequate signal gain. Verify that the 6-DIP through-hole package fits the target PCB layout constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

The CNY17-4 belongs to the CNY17 series of general-purpose optocouplers manufactured by Vishay Semiconductor Opto Division. This series is widely used for galvanic isolation in electronic circuits. The specific '-4' designation indicates a particular binning of the current transfer ratio and the inclusion of a base pin on the phototransistor for enhanced performance over basic variants.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other Vishay CNY17 variants with similar isolation ratings but different CTR bins. Cross-brand alternatives must match the 6-DIP footprint, 70 V collector voltage, and 5000 Vrms isolation requirements. Verify pinout compatibility before substitution.