f vishay solid state relay LH1544AAC, LH1544AACTR, LH1544AB- A&S Automation Co., Ltd
 
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vishay solid state relay LH1544AAC, LH1544AACTR, LH1544AB FEATURES
Dual channel, LH1541 type
Low capacitance switch (5 pF)
Isolation test voltage 5300 VRMS
Extremely high off-resistance
Load voltage 200 V
Clean bounce free switching
Low power consumption
High reliability monolithic detector
Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
APPLICATIONS
Instrumentation
- Thermocouple switching
- Analog multiplexing
Reed relay replacement
Programmable logic controllers
Data acquisition
Test equipment DESCRIPTION
These dual SSRs (LH1544, dual 1 form A) are SPST normally
open switches which can replace electromechanical relays
in many applications. The relays provide a low-capacitance,
high-voltage switch contact with high off-resistance and low
switch-offset voltage. These characteristics, combined with
high-speed actuation, result in an SSR which is ideal for
small signal and DC instrumentation applications.
The relays are constructed by using a GaAlAs LED for
actuation control and an integrated monolithic die for the
switch output. The die is comprised of a photodiode array,
switch-control circuity, and low-capacitance MOSFE switches.

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