SFH6156-1T-LB

Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
Series：SFH6156
Mfr：Vishay Semiconductor Opto Division
Package：Bulk

SKU:21b2259930e3 Category: Transistor, Photovoltaic Output Optoisolators Brand: Vishay Semiconductor Opto Division

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Product introduction

Product Detailed Parameters

Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
Series：SFH6156
Mfr：Vishay Semiconductor Opto Division
Package：Bulk
Number of Channels：1
Voltage - Isolation：5300Vrms
Current Transfer Ratio (Min)：40% @ 10mA
Current Transfer Ratio (Max)：80% @ 10mA
Turn On / Turn Off Time (Typ)：3µs, 18µs
Rise / Fall Time (Typ)：2µs, 11µs
Input Type：DC
Output Type：Transistor
Voltage - Output (Max)：70V
Current - Output / Channel：50mA
Voltage - Forward (Vf) (Typ)：1.25V
Current - DC Forward (If) (Max)：60 mA
Vce Saturation (Max)：400mV
Operating Temperature：-55°C ~ 100°C
Mounting Type：Surface Mount
Package / Case：4-SMD, Gull Wing
Supplier Device Package：4-SMD

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SFH6156-1T-LB

Overview

The SFH6156-1T-LB is a single-channel surface-mount optocoupler from Vishay, featuring an infrared LED and an NPN phototransistor output. It provides electrical isolation with a rated voltage of 5300 Vrms. The device operates within a temperature range of -55°C to 100°C. Key electrical parameters include a maximum forward current of 60 mA, a collector-emitter saturation voltage of 400 mV, and a typical rise time of 2 µs. The current transfer ratio ranges from 40% to 80% at 10 mA input.

Feature Summary

High isolation voltage capability for safety-critical applications
Compact surface-mount package design for automated assembly
Wide operating temperature range suitable for industrial environments

Applications

Industrial control systems requiring galvanic isolation
Signal transmission in measurement and testing equipment
Power supply feedback loops for circuit protection

Procurement Notes

Verify the specific suffix 'LB' against official Vishay documentation to confirm exact binning or packaging specifications. Ensure compatibility with standard reflow soldering profiles for SMD components. Cross-reference the part number with authorized distributors to confirm availability and authenticity. Check for any recent product change notices affecting lead frames or assembly processes.

Selection Notes

Select this component when high isolation voltage and compact form factor are required. Consider the 40-80% CTR range for logic interface compatibility. Evaluate the thermal performance within the specified -55°C to 100°C range. Ensure the 60 mA max forward current meets the drive requirements of the application circuit.

Part Context

This part belongs to the SFH6156 series of high-reliability optocouplers. The series offers various CTR bins and packaging options. The SFH6156-1T variant typically denotes a specific CTR bin and tape-and-reel packaging. The 'LB' suffix may indicate specific manufacturing or quality certifications.