KA2803B Datasheet - Fairchild

KA2803B Earth Leakage Detector

The KA2803B is designed for use in earth leakage circuit interrupters, for stable operation of the AC line in breakers. The input of the differential amplifier is connected to the secondary coil of ZCT(Zero Current Transformer). The amplified output of differential amplifier is integrated at externa.

KA2803B Features

* Low Power Consumption PD =5mW, 100V/200V Built-in Voltage Regulator High Gain Differential Amplifier 0.4mA Output Current Pulse to Trigger SCR' S Low External Part Count DIP Package (8-DIP), High Packing Densit

KA2803B_FairchildSemiconductor.pdf