SFH617A-3

Overview

The SFH617A-3 is a single-channel, through-hole phototransistor output optocoupler from Vishay. It features a DIP-4 package with 5300 Vrms isolation voltage. The device supports a maximum forward current of 60 mA and offers a collector-emitter voltage of 70 V. Current transfer ratio ranges from 100% to 200%. Typical switching times are 2 μs rise and 14 μs fall. Operating temperature spans -55°C to 110°C.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes a standard through-hole PDIP-4 package for easy integration
• Features NPN phototransistor output for digital signal transmission

Applications

• Industrial control systems requiring galvanic isolation
• Solid-state relay driver circuits
• Signal isolation in microprocessor-based systems

Procurement Notes

Verify the specific suffix matches the required isolation rating and package type. Confirm RoHS compliance status if restricted substances are prohibited. Check datasheet revisions for any changes in mechanical dimensions or electrical limits before finalizing procurement specifications.

Selection Notes

Select this component when high isolation voltage and robust through-hole mounting are required. Ensure the circuit design accommodates the specified current transfer ratio range. Verify that the operating temperature range meets the environmental requirements of the target application.

Part Context

This part belongs to the SFH617 series of high-reliability optocouplers. It is designed for applications demanding long-term stability and high dielectric strength. The series includes various package options and isolation ratings to suit different industrial standards.

Replacement Considerations

SFH617A-3X016 is an alternative version within the same family.