CNY65ST

Overview

The CNY65ST is a single-channel optocoupler featuring an NPN phototransistor output and surface-mount packaging. It provides high isolation voltage of 8200Vrms with a maximum collector-emitter voltage of 32V and continuous collector current of 50mA. The device operates within a temperature range of -55°C to 85°C, offering a current transfer ratio between 50% and 300%. Typical switching times include rise and fall durations of 2.4µs and 2.7µs respectively.

Feature Summary

• Provides very high electrical isolation capability for signal transmission across potential barriers
• Utilizes a standard NPN phototransistor output configuration for straightforward circuit integration
• Designed for surface-mount assembly to facilitate automated PCB manufacturing processes

Applications

• Industrial control systems requiring galvanic isolation
• Signal coupling in measurement and testing equipment
• Power supply feedback loops for safety compliance

Procurement Notes

Verify the specific suffix designation against official Vishay documentation to ensure correct performance characteristics. Confirm that the selected variant matches the required current transfer ratio and isolation voltage specifications for the intended application environment before finalizing procurement orders.

Selection Notes

Select this component when high isolation voltage is critical for system safety and reliability. Ensure the surface-mount package type aligns with available PCB footprint constraints. Verify that the operating temperature range meets the environmental requirements of the deployment location.

Part Context

This part belongs to the CNY series of optocouplers manufactured by Vishay Semiconductor Opto Division. It represents a specialized surface-mount variant designed for applications demanding robust electrical isolation in compact electronic assemblies.

Replacement Considerations

CNY65ABST serves as a verified alternative within the same product family.