EL357 - DC Input Photo Transistor Coupler

The EL357 by UMW is a DC Input Photo Transistor Coupler. Below is the official datasheet preview.

Datasheet Details

Part number	EL357
Manufacturer	UMW
File Size	827.88 KB
Description	DC Input Photo Transistor Coupler
Datasheet	EL357-UMW.pdf
Additional preview pages of the EL357 datasheet.

EL357 Product details

Description

The UMW EL357 series combine an AlGaAs infrared emitting diode as the emitter which is optically coupled to a silicon planar phototransistor detector in a plastic SOP4 package.

Features

High isolation 3750 VRMS.
CTR flexibility available see order information.
DC input with transistor output.
Operating temperature range - 55 °C to 110 °C.
REACH compliance.
Halogen free.
MSL class 1.
UL Recognized: UL1577, File No. E492440.

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Published: Aug 18, 2025 |