SFH609-4G

Overview

The SFH609-4G is a single-channel optoisolator featuring an infrared LED coupled to an NPN silicon phototransistor with a base terminal. It provides high-voltage isolation of 5300Vrms and operates within a 6-pin DIP package. Key electrical parameters include a maximum forward voltage of 1.65V, a minimum current transfer ratio of 200%, and a typical rise time of 2µs.

Feature Summary

• Integrates an infrared light emitting diode with an NPN silicon photo transistor for signal transmission
• Includes a dedicated base output terminal on the phototransistor for enhanced control capabilities
• Provides robust electrical isolation between input and output circuits via a dielectric barrier

Applications

• High-voltage isolation applications requiring reliable signal transmission
• General purpose optically coupled isolator circuits
• Digital logic interface isolation in industrial equipment

Procurement Notes

Verify the specific suffix '4G' against official Isocom Components documentation to confirm compliance with RoHS directives and halogen-free status. Ensure the 6-DIP package configuration matches the target PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when a base terminal is required for the phototransistor to allow for faster switching or linear operation modes. The 5300Vrms isolation rating makes it suitable for applications demanding strict separation between high-voltage and low-voltage domains.

Part Context

This device belongs to the SFH600 series of optically coupled isolators manufactured by Isocom Components. The series typically combines an infrared LED with an NPN silicon phototransistor, offering a cost-effective solution for general-purpose isolation tasks in various electronic systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.