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Digital voltage signal output unipolar Hall switch

Unipolar Hall Switches

HK421

HK421 is a unipolar Hall switch chip with high voltage resistance and high sensitivity, which is designed by bipolar semiconductor technology. The chip is composed of voltage stabilizing unit, Hall voltage generator, differential amplifier circuit, temperature compensation circuit and Open collector output circuit. Working mode: input Magnetic flux density and output digital voltage signal. Provide TO92S inline packaging, SMT SOT23-3L packaging, and all packaging meets ROHS standards.

Core Parameters & Product Advantages

Micro structure

Open collector output

ESD:±4kV

High sensitivity: 60/40Gs (typical value)

Wide voltage range:3.0V~60V

Operating temperature range:-40℃~125℃

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