Vishay, LH1546ADF MOSFET Output Optocoupler, Surface Mount, 4-Pin SMD

The LH1546AD is a single channel solid state relay in a 4 pin SMD package. It is a SPST normally open switch (1 Form A) that replaces electromechanical relays in many applications. It is constructed using a GaAlAs LED for actuation control and MOSFET switches for the output. In addition, it employs current-limiting circuitry to provide overvoltage protection.

Current limit protection
Isolation test voltage 5300 VRMS
Typical RON 28 Ω
APPLICATIONS:
General telecom switching
Metering
Security equipment

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