SFH6106-4

Overview

The SFH6106-4 is a single-channel surface-mount transistor output optocoupler from Vishay. It features an infrared LED and NPN phototransistor with a high current transfer ratio of 160% to 320%. Key electrical parameters include a maximum forward voltage of 1.65V, collector-emitter saturation voltage of 400mV, and isolation voltage of 5300Vrms. Operating temperature ranges from -55°C to +100°C.

Feature Summary

• High current transfer ratio for efficient signal transmission
• Low coupling capacitance for noise immunity
• High isolation voltage capability

Applications

• Industrial control systems
• Consumer electronics isolation
• Signal isolation in measurement equipment

Procurement Notes

Verify the specific suffix (e.g., X001T) against the datasheet to confirm packaging type and CTR binning. Ensure the component meets required safety certifications such as UL or IEC for the target application environment before finalizing procurement.

Selection Notes

Select this component when high CTR is critical at low input currents. Compare rise/fall times against system speed requirements. Verify that the 4-SMD package dimensions fit the PCB layout constraints and thermal management needs.

Part Context

Part of the SFH6106 series, designed for surface mount applications. It serves as a compact alternative to DIP packages while maintaining high isolation performance. The series is optimized for cost-effective isolation in space-constrained designs.

Replacement Considerations

SFH610A-4 is a related variant with identical electrical characteristics but different physical packaging. Verify pinout compatibility and mechanical footprint differences before substitution.