EL440A是亿光的光耦继电器产品，输出耐压为400V，导通额定电流为120MA，和松下AQY214,AQY210,东芝的TLP240A，可以直接替换。另外可以替代小电流的固态继电器，体积小，占用空间小的，由于是电子触发，无触电，工作寿命长等特点。EL440A贴片封装完整型号为EL440AS1(TU)-G,和普通EL817贴片光耦是同一种封装。

光耦继电器EL440A特点：

Normally open signal pole signal throw relay
Low operating current
60 to 600V output withstand voltage
Low on resistance
Wide operating temperature range of -40°C to 85°C
High isolation voltage between input and output (Viso = 5000 Vrms)
UL 1577 + cUL approved (No. E214129)
UL 508 + cUL approved (No. E348721)
VDE approved (No. 40028391)
SEMKO approved
NEMKO approved
DEMKO approved
FIMKO approved
CQC approved

光耦继电器描述：

The EL406A, EL425A, EL440A and EL460A are solid state relays containing an AlGaAs infrared LEDs on the light
emitting side (input side) optically coupled to a high voltage output detector circuit. The detector consists of a
photovoltaic diode array and MOSFETs on the output side. The single channel configuration is equivalent to 1 form A
EMR. They are packaged in 4 pin DIP and available in surface mount SMD option.
Applications
Exchange equipment
Measurement equipment
FA/OA equipment
Industrial controls
Security

光耦继电器应用：

Security

功能结构图如下：

参数表如下：

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