HK402F is a high-voltage bipolar Hall switch chip manufactured using a high-voltage bipolar process. The chip is composed of voltage stabilizing unit, Hall voltage generator, differential amplifier circuit, temperature compensation circuit and Open collector output circuit. The chip has the ability to withstand high voltage surges and has strong noise resistance; Suitable for various fields such as electronic consumption, automotive, and industrial control. Provide TO92S inline packaging, SMT SOT23-3L.