f vishay solid state relay LH1503AAC, LH1503AACTR, LH1503AB- A&S Automation Co., Ltd
 
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vishay solid state relay LH1503AAC, LH1503AACTR, LH1503AB FEATURES
Current limit protection
Isolation test voltage 5300 VRMS
Typical RON 20
Load voltage 350 V
Load current 110 mA
High surge capability
Clean bounce free switching
Low power consumption
High reliability monolithic receptor
SMD lead available on tape and reel
Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
APPLICATIONS
General telecom switching
- On/off hook control
- Ring delay
- Dial pulse
- Ground start
- Ground fault protection
Instrumentation
Industrial controls DESCRIPTION
The LH1503 relays are DPST normally open switches
(2 form A) that can replace electromechanical relays in many
applications. The relays are constructed using a GaAlAs
LED for actuation control and an integrated monolithic die
for the switch output. The die, fabricated in a high voltage
dielectrically isolated technology, is comprised of a
photodiode array, switch control circuity, and DMOS
switches. In addition, these relays employ current limiting
circuity, enabling them to pass lightning surge testing as
per ANSI/TIA-968-B and other regulatory voltage surge
requirements when overvoltage protection is provided.

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