SFH620A-3SMT&R

Overview

The SFH620A-3SMT&R is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a surface-mount DIP package with four pins and supports a maximum output current of 50 mA per channel. The device provides an isolation voltage of 5.3 kVrms, ensuring robust separation between input and output circuits. It operates with a typical current transfer ratio of 100% at 10 mA input current. The component is designed for surface mount installation, offering a compact solution for signal isolation in electronic systems.

Feature Summary

• Provides electrical isolation between input and output circuits using optical transmission
• Features a single-channel transistor output configuration for signal switching
• Supports surface mount technology for automated PCB assembly processes

Applications

• General purpose signal isolation in industrial control systems
• Interface circuits requiring galvanic separation between low and high voltage domains
• Data communication links needing noise immunity and circuit protection

Procurement Notes

Verify the specific suffix requirements for tape and reel packaging when ordering this component. Confirm that the supplier source matches the manufacturer designation to ensure authenticity. Check lead times as availability may vary. Ensure storage conditions comply with moisture sensitivity levels if applicable. Validate pin compatibility with existing board layouts before finalizing procurement decisions.

Selection Notes

Select this component when a standard single-channel isolation solution with moderate speed is required. Consider the 5.3 kVrms isolation rating for safety compliance in relevant applications. Evaluate the 50 mA output current capability against load requirements. Compare the surface mount footprint against available board space constraints. Verify temperature range suitability for the intended operating environment.

Part Context

This part belongs to the family of surface mount optocouplers designed for general-purpose isolation tasks. It utilizes a four-pin small outline package format common in modern electronics manufacturing. The device integrates an infrared emitting diode with a phototransistor detector within a single encapsulated unit. This configuration allows for efficient signal transfer while maintaining high voltage isolation barriers between separate circuit grounds.

Replacement Considerations

Parametric equivalents are available from other manufacturers. Verify pinout compatibility and isolation voltage ratings when substituting. Ensure current transfer ratio specifications meet circuit design requirements. Check package dimensions for mechanical fit on existing printed circuit boards.