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SR20100PT C0G application field and working principle

SR20100PT C0G (aka CECC 30301) is a two-terminal rectifier array component developed by STMicroelectronics. It is part of the STMicroelectronics advanced rectifier series and is used for rectifying higher power applications in a wide range of applications.

The SR20100PT C0G rectifier array is a reliable, high efficiency, low voltage bipolar circuit component, particularly suitable for automated manufacture. It can handle up to 200V DC and has a total breakdown voltage of 200V. The operating temperature range is -40°C to 125°C.

Application Field

SR20100PT C0G is designed to replace other rectifying components such as film diodes, Schottky and Zener diodes in consumer, industrial, automotive and military applications. It is suitable for applications requiring higher power, higher performance, and lower energy consumption.

This rectifier array can be used in a wide range of products, such as medical equipment, LED lamps and chargers, electric motor controllers, automotive electronics, motor inverters, lighting control circuits, DC-DC converters, etc. It offers high efficiency, small size, low voltage requirements, and fast switching properties that are ideal for high power applications.

Working Principle

SR20100PT C0G consists of an array of two silicon diodes connected in a bridge configuration. Each diode is capable of conducting current up to a maximum forward current of 1.2A. The anode and cathode of the two diodes are connected together, thus forming a node that acts as a diode rectifying bridge.

The diode conduction is provided by electrons in the n-type layer and holes in the p-type layer. When a voltage higher than the turn-on voltage is applied between the anode and the cathode, the electrons and holes will be drawn to the junction in proportion to their charge. This current flow will allow the current to flow from the anode to the cathode, and the voltage drop across the diode will be approximately 0.7V.

The SR20100PT C0G rectifier array operates in a three-step process. Firstly, the diodes are placed in a reverse-biased configuration so that any external voltage is blocked by the diode junction. Then, a current is induced in the circuit by connecting the anode and cathode of the diodes to a voltage supply. Lastly, the reverse-biased state is removed and the current passes through the diodes unidirectionally.

For a given bridge configuration, the SR20100PT C0G rectifier array’s maximal output current can be calculated by multiplying the peak inverse voltage (PIV) by the diode’s forward current rating. The lower the PIV, the higher the output current.

Conclusion

The SR20100PT C0G from STMicroelectronics is an advanced two-terminal rectifier array component that offers high efficiency and fast switching properties. It is ideally suited for a wide range of applications, including medical, automotive, and consumer electronics, that require higher power, higher performance, and lower energy consumption. The array works by connecting the two diodes together in a bridge configuration and then applying a voltage supply. When the voltage is high enough, a current is induced in the circuit and can then flow through the diodes in a unidirectional manner, providing the efficient power rectification that the application requires.

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