TSPB5H100S S2G

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Diodes, more specifically rectifier diodes, are versatile electrical components which serve a variety of functions. Typically categorised by the number of junction layers, rectifier diodes are available as single and multi-layer devices. The TSPB5H100S is an example of a single junction rectifier diode, and is suitable for a wide range of applications. This article will describe the various application fields and working principle of the TSPB5H100S.

Application Fields

The TSPB5H100S is ideal for direct current (DC) rectification due to its structure and design, making it an ideal choice for high-speed full-wave or bridge rectification. DC rectification is often required to modify the voltage levels of power sources, or alter the form or wave shape of the existing waveforms. Other applications of the TSPB5H100S include its ability to provide switching between DC stages and other electronic devices, act as a continuous voltage regulator, and provide protection against flyback voltage. With a forward voltage drop of around 0.45V, the device can handle up to 60A and a peak pulse current of 20A.

The TSPB5H100S is suitable for various automotive and industrial power supplies and motor drives. These include isolated DC-DC converters, motor controllers, automotive electronics, battery chargers, power supplies, and solar cells. In addition, it is suitable for a range of other applications, including telecom equipment, emergency power supplies and battery backups, voltage regulators, and linear power sources.

Working Principle

The TSPB5H100S utilises a single P-N junction to obtain rectification. This P-N junction is reverse biased upon application of a forward or reverse voltage on either side of the device. When the applied voltage exceeds a specific threshold, the P-N junction will start to conduct. This is known as the device’s forward voltage drop. If a negative voltage applies to the P-N junction, the device will remain non-conducting until the applied voltage is positive enough to create a current in the opposite direction.

The TSPB5H100S also utilises a Schottky diode design. Schottky diodes operate on the principle of Quantum Mechanics, where a small frequency-dependent potential is established at the P-N junction which increases the current flow. This creates a forward voltage drop which is relatively stable over a range of voltages, making it an ideal choice for DC rectification which requires precise levels of voltage.

Once a current has been established through the TSPB5H100S, a voltage release can be seen which is lower than the initial forward voltage drop. This is referred to as the diode’s dynamic resistance and determines how quickly the voltage rises. Additionally, the TSPB5H100S is temperature compensated which helps regulate the device’s operating temperature, reducing power dissipation and power losses.

Conclusion

The TSPB5H100S is a single junction rectifier diode suitable for a range of applications which involve direct current rectification. Its Schottky design allows for a relatively low dynamic resistance and voltage drop, while the temperature compensation feature helps to regulate the device’s operating temperature. Combined, these features make the TSPB5H100S an ideal choice for high-speed full-wave, bridge, or switching applications, as well as for a range of other industrial and automotive applications.

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