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TVS - Diodes

TVS-diodes, also known as transient voltage suppressor diodes, are semiconductor devices used in electrical devices to provide electrical overstress protection for other components. TVS-diodes are usually placed in paths between electrical power sources and sensitive electrical components, such as microprocessors or sensitive electronics. They are designed to stop high voltage electrical impulses that can ultimately damage the sensitive parts.

JAN1N6147AUS Application Field and Working Principle

The JAN1N6147AUS is a TVS diode designed for applications requiring high-speed and reliable circuit protection. It can be used to protect low-power circuits and sensitive electronics in a wide variety of applications, including automotive, industrial, and consumer electronics. This diode is designed to protect against transient overvoltage and inrush currents that can occur due to electrostatic discharge (ESD), or power surges from external sources.

The JAN1N6147AUS has a peak pulse power rating of 400W, a junction capacitance of 1.9pF, and an operating temperature range of -65°C to 175°C. It features a variety of parameters such as low leakage current, low capacitance, low clamping voltage, and high surge capability.

The working principle of the JAN1N6147AUS can be broken down into five steps:

1. When an overvoltage is imposed across the device terminals, a single-breakdown process occurs, generating a low-voltage avalanche.
2. The avalanche current flows across the diode, increasing the voltage drop until the peak pulse power dissipation is reached.
3. At this voltage, the device blocks further voltage transients.
4. Once the overvoltage transient has ended, the diode can reset itself and the device can return to its normal state.
5. Finally, the stored energy in the device is dissipated through the external circuit.

In short, the JAN1N6147AUS acts as a surge protection device, allowing safe passage of normal electrical signals while preventing high-voltage transients from damaging sensitive components. It is a versatile and reliable TVS diode for a wide range of applications.

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