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com LH1529 OPTICALLY COUPLED TELECOM SWITCH Preliminary Data Sheet FEATURES • Solid State Relay and Optocoupler in One Package • Package—Single 8 Pin DIP • l/O Isolation, 3750 VRMS • Surface Mount Option • Optocoupler – Bidirectional Current Detection • Solid-state Relay – Typical RON 20 Ω – Load Voltage 350 V – Load Current 120 mA – Current Limit Protection – High Surge Capability – Linear, AC/DC Operation – Clean Bounce Free Switching – Low Power Consumption – High Reliability Monolithic Receptor APPLICATIONS • General Telecom Switching – On/off Hook Control – Dial Pulse – Ring Current Detection – Loop Current Sensing Description The LH1529 Telecom switch consists of an op...

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