SFH617A-4SM

$0.14

Description：OPTOISO 4.47KV 1CH TRANS 4-SMD
Series：SFH617A
Mfr：Isocom Components 2004 LTD
Package：Tube

SKU:ecffa007e95c Category: Transistor, Photovoltaic Output Optoisolators Brand: Isocom Components 2004 LTD

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Product introduction

Product Detailed Parameters

Description：OPTOISO 4.47KV 1CH TRANS 4-SMD
Series：SFH617A
Mfr：Isocom Components 2004 LTD
Package：Tube
Number of Channels：1
Voltage - Isolation：4470Vrms
Current Transfer Ratio (Min)：160% @ 10mA
Current Transfer Ratio (Max)：320% @ 10mA
Turn On / Turn Off Time (Typ)：-
Rise / Fall Time (Typ)：4µs, 3µs
Input Type：DC
Output Type：Transistor
Voltage - Output (Max)：70V
Current - Output / Channel：50mA
Voltage - Forward (Vf) (Typ)：1.65V (Max)
Current - DC Forward (If) (Max)：50 mA
Vce Saturation (Max)：400mV
Operating Temperature：-30°C ~ 100°C
Mounting Type：Surface Mount
Package / Case：4-SMD, Gull Wing
Supplier Device Package：4-SMD
Grade：-
Qualification：-

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SFH617A-4SM

Overview

The SFH617A-4SM is a single-channel optocoupler featuring an infrared LED coupled to an NPN silicon phototransistor. It utilizes a surface-mount package designed for through-hole compatibility. The device provides electrical isolation with a rated insulation voltage of 5300 Vrms. Key electrical parameters include a collector-emitter saturation voltage of 250 mV, a maximum forward current of 60 mA, and a forward voltage of 1.65 V. The unit supports a maximum collector current of 50 mA and operates within a temperature range of -55°C to +110°C.

Feature Summary

Integrates an infrared emitting diode with an NPN phototransistor for signal transmission
Provides high-voltage electrical isolation between input and output circuits
Features a surface-mount package compatible with standard DIP footprints

Applications

Industrial control systems requiring circuit isolation
Signal interfacing in microprocessor-based equipment
Power supply feedback loops

Procurement Notes

Verify the specific suffix designation against manufacturer documentation to confirm package type and lead-free status. Ensure the selected variant matches the required isolation voltage and thermal characteristics for the target application environment. Cross-reference official datasheets to validate pinout configuration and mounting specifications before integration.

Selection Notes

Select this component when a surface-mount solution with DIP footprint compatibility is required for single-channel isolation. Consider the specified operating temperature range and insulation voltage ratings relative to system requirements. Evaluate the current transfer ratio and switching speed parameters against the intended signal frequency and load conditions.

Part Context

This part belongs to the SFH617A series of transistor output optocouplers manufactured by Isocom Components. The series typically includes various package options such as DIP and surface-mount variants. These components are designed for general-purpose isolation applications, offering a balance of performance and reliability for electronic circuit design.