
Vishay Semiconductors
Description
The LH1529A and LH1529B Telecom switches consist of an optically coupled solid state relay (SSR) and bidirectional input optocoupler. The SSR is ideal for performing switch hook and dial-pulse switching while optocoupler performs ring detection and loop current sensing functions.
FEATUREs
• Solid State Relay and Optocoupler in One Package
• Surface Mount Package
• l/O Isolation, 5300 VRMS
• LH1529A, CTR Min. = 33 %
• LH1529B, CTR Min. = 100 %
• Optocoupler
- Bidirectional Current Detection
• Solid-state Relay (Equivalent to TS117P)
- Typical RON 20 Ω
- Load Voltage 350 V
- Load Current 120 mA
- Current Limit Protection
- High Surge Capability
- Clean Bounce Free Switching
- Low Power Consumption
- High Reliability Monolithic Receptor
• Lead-free component
• Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC
APPLICATIONs
General Telecom Switching
- On/off Hook Control
- Dial Pulse
- Ring Current Detection
- Loop Current Sensing