JANTX1N4472D

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JANTX1N4472D is a type of single-diode Zener diodes, and its main purpose is to protect against negative voltage transients, stabilizing voltage and limiting current. This type of diode does not have any polarity sensitivity, so it operates in the same manner for both voltage polarities.

The JANTX1N4472D comes in a three-pin DO-213AA package, and is rated at 72 volts with a peak pulse power rating of 800 watts. It features a relatively low leakage current of 1.0 μA (maximum) at 5.0V and an operating junction temperature range from -65°C to +175°C. The JANTX1N4472D has a zener voltage of 4.7V and a breakdown voltage of 4.0V, making it suitable for applications that require low voltage breakdown and fast recovery.

The working principle of the JANTX1N4472D is fairly straightforward. When the reverse breakdown voltage of the diode is exceeded, the diode begins to conduct in the reverse direction, allowing a current to flow through the device. This current flow is limited by the reverse leakage current of the diode, and the voltage across the diode is limited to the breakdown voltage. This reverse breakdown voltage can be adjusted by adjusting the device\'s operating temperature, and the breakdown voltage of the diode will remain constant over temperature.

The JANTX1N4472D is well-suited for use in over-voltage protection applications, such as controlling the DC output voltages of power supplies. It can be used as a voltage regulator, with the voltage set by the Zener diode and current limited to protect other components in the system. It can also be used in high-side switching circuits, such as in automotive electronics, where it can limit the voltage transients and supply voltage to the load.

The JANTX1N4472D is also widely used in surge protection, as the device is designed to protect against negative voltage transients caused by a sudden surge in voltage. The device is designed to operate in a low leakage current mode, making it highly suitable for applications that rely on maximum current and power dissipation. It can be used in both series and parallel circuits, making it suitable for a wide variety of applications.

In summary, the JANTX1N4472D is a single-diode Zener diode which is well-suited for over-voltage protection applications, voltage regulation and surge protection applications. It features a relatively low leakage current and can operate in either the series or parallel configuration. It is a highly reliable diode that is suitable for a wide range of applications.

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