SK38-TP Discrete Semiconductor Products

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The SK38-TP is a single diode rectifier module. It is designed for use in linear power supply (LPS) and switched mode power supply (SMPS) circuits. The device has an integrated temperature sensor and overvoltage protection (OVP). It can be used to protect sensitive circuits and provide improved system efficiency and reliability.

The SK38-TP consists of a single diode rectifier in a TO-220 package. It can handle up to 40A continuous current, with a maximum peak reverse current of 60A. The device operates in an PN junction mode, with voltages ranging from 40V to 600V. The SK38-TP has a thermal impedance of 0.35C/W, and a reverse recovery time of 5µs.

The working principle of the SK38-TP is based on the PN junction principle. When a voltage is applied across the PN junction, a depletion region is generated and charge is stored in the two capacitors, forming a junction capacitance. This junction capacitance produces a forward current in the diode when the voltage is higher than the diode\'s forward voltage. The larger the junction capacitance and voltage, the higher the forward current.

The SK38-TP is used primarily in linear and switched mode power supplies, such as those found in personal computers and laptop chargers. It can also be used in DC motor controllers and battery charging applications. It has a wide operating temperature range (-55°C to 150°C) and is highly resistant to voltage and temperature fluctuations. This makes it suitable for use in harsh environments.

In linear power supplies, the SK38-TP acts as a rectifier, converting alternating current from the source into a direct current. As the operating frequency increases, the device is more efficient, resulting in improved system efficiency and reliability. In switched mode power supplies, the SK38-TP is typically used to protect sensitive elements from overvoltage and surges. It acts as a shunt regulator and will divert excess current to the ground.

The SK38-TP is a powerful and reliable single diode rectifier. It delivers high current performance, with an easy to use TO-220 package. Its wide operating temperature range and low thermal impedance make it suitable for use in a variety of applications. It provides protection from overvoltage and can be used to improve system efficiency, reliability and safety.

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