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KA2803

Earth Leakage Detector

Image Manufacturer B2B MPN Description Distributor Stock Quantity Price Buy Now
Distributor onsemi KA2803B IC EARTH LEAKAGE DETECTOR 8-DIP DigiKey 2970 2500 units
$0.45

KA2803 Datasheet (830.18 KB)

Preview of KA2803 PDF

Datasheet Details

Part number:

KA2803

Manufacturer:

ON Semiconductor ↗

File Size:

830.18 KB

Description:

Earth leakage detector.

KA2803 Features

* Low Power Consumption: 5 mW, 100 V/200 V

* Built-in Voltage Regulator

* High-gain Differential Amplifier

* 0.4 mA Output Current Pulse to Trigger SCRs

* Low External Part Count

* SOP Package, High Packing Density

* High Noise Immunity, Large

KA2803 General Description

The KA2803 is designed for use in earth leakage circuit interrupters, for operation directly off the AC line in breakers. The input of the differential amplifier is connected to the secondary coil of Zero Current Transformer (ZCT). The amplified output of differential amplifier is integrated at exte.

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KA2803 Earth Leakage Detector ON Semiconductor

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