SFH609-1SMT&R

Overview

The SFH609-1SMT&R is a surface-mount optocoupler manufactured by Isocom Components. It features an infrared LED coupled to a phototransistor output in a compact package. The device provides electrical isolation between input and output circuits, with a specified isolation voltage of 5300 Vrms. Key electrical parameters include a maximum forward current of 50 mA and a collector-emitter breakdown voltage of 70 V. The component supports DC input signals and offers standard rise and fall times suitable for general-purpose switching applications.

Feature Summary

• Integrates an infrared emitting diode with a silicon phototransistor for signal transmission
• Provides high-voltage electrical isolation between control and load circuits
• Designed for surface-mount technology assembly processes

Applications

• General purpose signal isolation in industrial control systems
• Interface circuits for microprocessors and logic devices
• Power supply feedback loops and monitoring

Procurement Notes

Verify the specific suffix and tape-and-reel configuration against the manufacturer's official documentation before ordering. Confirm that the requested part number matches the exact pinout and packaging requirements for your PCB layout. Ensure compliance with RoHS directives if required by your project specifications. Cross-reference the datasheet revision date to guarantee parameter accuracy.

Selection Notes

Select this component when a surface-mount solution is required for basic transistor-output isolation. Consider the 5300 Vrms isolation rating for safety requirements. Evaluate the 50 mA maximum forward current limit against your drive circuit capabilities. Compare the package dimensions against available board space constraints prior to finalizing the design.

Part Context

This component belongs to the family of infrared optocouplers produced by Isocom Components. These devices are designed to replace legacy through-hole components with modern surface-mount equivalents. The product line focuses on providing reliable galvanic isolation for digital and analog signal transmission across isolated boundaries in electronic circuits.

Replacement Considerations

Consult official substitution lists for direct pin-compatible alternatives. Verify that any replacement maintains the same isolation voltage and output type characteristics. Check for differences in package dimensions and thermal performance if substituting with similar models.