SFH6156-4T-LB

Overview

The SFH6156-4T-LB is a single-channel optoisolator manufactured by Vishay Semiconductor Opto Division, designed for high-voltage isolation applications. It features a transistor output and provides an isolation voltage of 5300Vrms. The device operates within a temperature range of -55°C to +100°C and utilizes a 4-SMD surface-mount package. Key electrical parameters include a maximum collector-emitter voltage of 70V, a maximum forward current of 60mA, and a typical forward voltage of 1.25V. The component supports a maximum output current of 50mA with a saturation voltage of 400mV.

Feature Summary

• Provides robust high-voltage isolation capability suitable for demanding industrial environments
• Features a compact surface-mount design for efficient PCB integration
• Delivers reliable signal transmission through a dedicated phototransistor output channel

Applications

• High-voltage isolation in industrial control systems
• Signal interfacing between low-voltage logic circuits and high-voltage power stages
• Protection of sensitive input devices in noisy electrical environments

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact performance characteristics and packaging options. Ensure that the procurement source provides valid traceability and compliance certificates. Cross-reference the part number with the latest datasheet revisions to confirm availability of required testing reports and material declarations prior to finalizing orders.

Selection Notes

Select this component when high isolation voltage ratings are critical for system safety and noise immunity. Consider the surface-mount form factor for automated assembly processes and space-constrained designs. Evaluate the thermal operating range and output current capabilities to ensure compatibility with the target application's electrical requirements and environmental conditions.

Part Context

This component belongs to the SFH6156 series of optoisolators from Vishay Semiconductor Opto Division. The series offers various configurations tailored for different isolation and packaging needs. The SFH6156-4T-LB variant specifically addresses applications requiring standardized surface-mount solutions with verified high-voltage insulation properties for reliable long-term operation.

Replacement Considerations

Public confirmed substitute part numbers: SFH6156-4T, SFH6156-4X001T.