GIB1402HE3/45

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• Application Field and Working Principle of GIB1402HE3/45

  GIB1402HE3/45 is a single rectified diode, which is designed for high frequency switching applications. It is widely used in power electronic converting technology, such as AC-DC or DC-DC converters, chargers, and unidirectional current control.

  Structure and Features

  The GIB1402HE3/45 is a silicon rectifying diode, composed of an N-type and P-type semiconductor materials. It has two main characteristics: first is small junction capacitance, which is suitable for high-frequency switch; second, the switching speed is quick and the off-state leakage current is low.

  GIB1402HE3/45 has a voltage reverse breakdown capability and reverse recovery time of 45V and 25 µs respectively, while its average current forward capability is 4A. Its average forward voltage drop is 0.7V, with an internal thermal resistance of 0.45°C/W junction-to-case. The net weight of the device is 8g.

  Applications

  The GIB1402HE3/45 diode is one of the most important parts in switching current, as it is closely related to the working performance of the complete power electronic converter. GIB1402HE3/45 can be used in AC-DC conversion, DC-DC conversion and current control applications. It is also applicable to constant current and constant power controllers, rectified ac motors and frequency converters.

  Working Principle

  The GIB1402HE3/45 diode follows the principle of a diode’s working theory, which is based on the P-N junction between two pieces of a semiconductor. When the forward bias voltage is applied to the two junctions, the P-N junction will become conductive, and electric current will flow freely between diode’s two electrodes. On the other hand, when an opposite potential is applied to the P-N junction, it will become non-conductive, and no electric current will pass through it.

  Conclusion

  The GIB1402HE3/45 diode has wide application fields in power electronic conversion technology, such as AC-DC and DC-DC conversion. It has small junction capacitance and quick switching speed, along with a low off-state leakage current, which makes it suitable for a variety of control applications. The working principle of GIB1402HE3/45 is based on the operating principle of a diode, namely P-N junction between two semiconductor materials and forward electrical current flows when forward biasing is applied and vice versa.

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