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Extremely low operating current
High speed operation
Isolation test voltage 5300 VRMS
Current limit protection
High surge capability
DC only option
Clean bounce free switching
Low power consumption
Surface mountable APPLICATIONS
General telecom switching
Battery powered switch applications
Industrial controls
Programmable controllers
Instrumentation DESCRIPTION
The LH1525 relay are SPST normally open switches (1 form
A) that can replace electromechanical relays in many
applications. The relay requires a minimal amount of LED
drive current to operate, making it ideal for battery powered
and power consumption sensitive applications. The relay
is constructed using a GaAIAs LED for actuation control
and an integrated monolithic die for the switch output.
The die, fabricated in a high-voltage dielectrically isolated
technology, comprised of a photodiode array,
switch-control circuitry, and MOSFET switches. In addition,
the relay employs current-limiting circuitry, enabling it to
pass lightning surge testing as per ANSI/TIA-968-B and
other regulatory surge requirements when overvoltage
protection is provided. The relay can be configured for
AC/DC or DC-only operation.