D1230N18TXPSA1

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Diodes are among the most widely used electronic components for numerous electrical applications. The D1230N18TXPSA1 diode is a single-phase rectifier from STMicroelectronics with a 600V maximum average forward rectified current (IF(AV))of 30 amperes, a reverse peak repetitive voltage of 400V and an instantaneous forward voltage of 1.08 volts at 30A. It belongs to the Diodes - Rectifiers - Single family.

D1230N18TXPSA1’s application fields are mainly in AC-DC converters, automotive converters, DC motor drives, consumer, commercial and industrial-market DC/DC converters. In AC-DC converters, the device is used to control the current level and protect the circuit from high voltage fluctuations. In automotive converters, it is used as a switch in power lines to control the voltage and current in circuits. In DC motor drives, the device is used to convert AC power to pulsating DC power needed by the motors.

The working principle of the D1230N18TXPSA1 is based on the rectification effect of a two-terminal semiconductor PN junction. In forward biased mode, when an anode voltage is applied to the PN junction and the amplitude of the applied voltage exceeds the junction’s threshold voltage, a forward biasing current flows through the diode. This current is known as the Forward Following current (IF). In reverse biased mode, when the applied voltage is lower than the reverse threshold voltage, a reverse bias current flows across the diode, also known as Reverse Leakage current (IR). The diode is also capable of handling high voltage transients, and it is able to change its optics when the applied voltage is too high.

The D1230N18TXPSA1 is designed with an exposed anode pad feature and a dynamic resistance of 0.32 ohm in order to better dissipate heat in high-temperature environments. The device is also designed with an anode to cathode junction that is capable of withstanding 600A high inrush current and it is compatible for surface mounting. Moreover, the device has an isolation of 1500V between the cathode and the anode and a thermal pad to improve the heat transfer from the die to the heat sink.

In summary, the D1230N18TXPSA1 is a high-performance single-phase rectifier that is effective in AC-DC converters, automotive converters, DC motor drives, consumer, commercial and industrial-market DC/DC converters. Its working principle is based on the rectification effect of a two-terminal semiconductor PN junction, and it is designed with features that improve performance in high-temperature environments. It is an ideal solution for a variety of applications.

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