15KPA22CA

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A TVS (Transient Voltage Suppression) diode is a unidirectional, high-efficiency, high-speed, low operating voltage semiconductor device used to provide protection from voltage transients caused by electrostatic discharge (ESD) or electrostatic induction (ESI) in an electronic circuit. The purpose of the device is to suppress voltage transients that cause damage to the circuit and associated components.

The 15KPA22CA is a multilayer, axial alignment, multigate silicon diode in a dual-in-line package and is designed for applications involving ESD and ESD induced transient overvoltages. It is constructed of a semi-insulating n-type silicon substrate with integrated guard ring diodes and a neutral-gate oxide field-effect transistor (FET).

The 15KPA22CA has an electrostatic rating of ESD class 4 (up to 2KV) according to the IEC 61000-4-2. It can handle a maximum overvoltage transient of 22V peak. The device has a peak pulse power rating of 350W @ 10/1,000 μs and can handle a maximum repetitive overvoltage of 7.6V continuous. The thermal dissipation rating of the device is 0.15W.

The 15KPA22CA is designed primarily for ESD and ESI protection. It blocks surges due to inductive or capacitive load switching, lightning strikes, and other sources of power surges. It is also used to protect sensitive circuits and components from voltage transients caused by ESD events or other sources of overvoltages. The device can be used in automotive, medical, industrial, consumer, and other applications.

The 15KPA22CA is composed of a BVS // MOSFET junction. BVS stands for breakdown voltage suppression. The MOSFET is a voltage-controlled field effect transistor which works as a switch. When a voltage transient occurs, the MOSFET conducts the current, reducing the peak voltage and clamping any negative transients. The integrated guard ring diodes provide ESD protection, preventing any ESD event from reaching sensitive components.

The device’s working principle is simple. When an ESD event or voltage transient occurs, the current is conducted through the BVS // MOSFET junction which reduces the peak voltage and clamps any negative transients. The integrated guard ring diodes isolate the circuit and block the surge from reaching any sensitive components. The device can handle a maximum repetitive overvoltage of 7.6V continuously as well as a maximum overvoltage transient of 22V peak.

The 15KPA22CA is a versatile TVS diode that can provide reliable protection from voltage transients in automotive, medical, industrial, consumer, and other applications. The device can handle a peak pulse power rating of 350W @ 10/1000 μs and its thermal dissipation rating is 0.15W. The 15KPA22CA is suitable for use in harsh environments and is available in both through-hole and surface-mount packages.

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