SFH617G-3X

Overview

The SFH617G-3X is a single-channel through-hole optocoupler featuring an NPN phototransistor output and DIP package. It offers a minimum isolation voltage of 5300Vrms, with a maximum forward voltage of 1.65V and maximum input current of ±50 mA. The device exhibits a typical rise time of 4µs and fall time of 3µs. Current transfer ratio ranges from 100% to 320%, ensuring reliable signal transmission across the isolation barrier for general electronic applications.

Feature Summary

• Integrates an infrared LED with an NPN silicon phototransistor in a space-efficient dual in-line package
• Provides high-voltage electrical isolation between input and output circuits
• Designed for low input current operation to enhance energy efficiency

Applications

• Computer peripheral interface circuits
• Personal equipment signal isolation
• Office equipment control systems

Procurement Notes

Verify the specific suffix '3X' against official Isocom documentation to confirm pinout and packaging configuration. Ensure compatibility with required isolation voltage ratings for the target application environment. Cross-reference datasheets to validate performance parameters under operating conditions.

Selection Notes

Select this component when high isolation voltage and low input current requirements are critical. The NPN output suits standard logic interfacing. Verify that the DIP package fits the PCB layout constraints and that the current transfer ratio meets the circuit gain requirements.

Part Context

This part belongs to the SFH617G series of optically coupled isolators manufactured by Isocom Components. The series combines infrared emitters with NPN phototransistors, targeting general electronics applications requiring compact, reliable galvanic isolation solutions.

Replacement Considerations

SFH617G-3X001 is listed as a similar variant. Verify pinout and electrical specifications before substitution.