LH1549AB/ LH1549AAC/ LH1549AACTR - 1 Form A Phototransistor Telecomswitch - Vishay Solid State Relays

LH1549AB/ LH1549AAC LH1549AACTR - 1 Form A Phototransistor Telecomswitch - Vishay Solid State Relays LH1549AB A Telecom Switch consists of an optically isolated, SPST Solid-State Relay (SSR) and a bidirectional input Optocoupler in a single package. The SSR is ideal for performing Switch hook and dial-pulse switching while the Optocoupler performs ring detect and loop current sensing functions. The SSR is integrated on a monolithic receptor die. It features low ON-resistance, high breakdown voltage, and current-limit circuitry that protects the relay from telephone line induced lightning surges. The Optocoupler provides bidirectional current sens- ing via two anti parallel GaAIAs infrared emitting Diodes The Optocoupler provides a minimum current transfer ratio (CTR) of 33 %. By Vishay Intertechnology
LH1549 's PackagesLH1549 's pdf datasheet
LH1549AAC
LH1549AACTR
LH1549AB




LH1549 Pinout, Pinouts
LH1549 pinout,Pin out
This is one package pinout of LH1549,If you need more pinouts please download LH1549's pdf datasheet.

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