P4KA9.1HE3/73

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TVS (transient voltage suppressor) diodes are protective devices intended to protect sensitive electronic components from sudden, brief increases in voltage, also known as transients.In general, they are designed to divert, absorb, or limit destructive energy caused by voltage or current transients in electronic circuit systems. An effective suppressor protects the system from voltage levels that are too high to handle without risking serious damage.

The P4KA9.1HE3/73 is a type of TVS diode specifically designed for protection in high-side applications. It is a 4-pin, dual-channel axial device in a low profile 2.0mm maximum height EZFET package, with three integrated electrostatic discharge (ESD) protection elements, two high-voltage zener diodes and one low voltage shunt diode. The device provides 1500W of power protection with a maximum peak pulse power of up to 4.2kW.

The device works as follows - it responds to large voltage transients by creating a low resistance path for electrical current flow, thus protecting the system from damaging transients. Once the transient is over, the device then returns to its low resistance state, allowing the system to resume normal operation. The device is also designed to protect against ESD and other high-voltage transient events.

The P4KA9.1HE3/73 is ideal for use in automotive, industrial, consumer, and other high-side applications. It can be used to protect against transient over-voltages on ignition systems, power supplies, wiring harnesses, and other sensitive circuits. Its low profile package and integrated ESD protection make it an ideal choice for applications requiring fast response and protection.

In summary, the P4KA9.1HE3/73 is a robust and reliable TVS diode designed for use in high-side applications. With its high peak power rating, low profile package and integrated ESD protection, it is well suited for a wide variety of electronic system protection needs.

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