2KBP04ML-6212E4/72

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2KBP04ML-6212E4/72 Diodes - Bridge Rectifiers Application Field and Working Principle

This document aims to discuss the application field and working principle of the 2KBP04ML-6212E4/72 diode bridge rectifier. It is a four-electrode type rectifier that provides low current, high-frequency advantages, such as low loss and high efficiency.

Overview

The 2KBP04ML-6212E4/72 is a rectifier that utilizes four electrodes to prevent high level disruptions in electrical flow. The four-electrode structure also increases the rectifier’s power rating, making it suitable for a wide range of applications. Furthermore, it is a high frequency type that reaches greater efficiency than many other rectifiers. That is, the voltage drop is low, which contributes to better energy savings.

Application Field

The 2KBP04ML-6212E4/72 is used in multiple electrical circuits and applications, such as consumer electronics, energy conversion, and automotive industries. Most commonly, it serves as a diode bridge rectifier for alternating current (AC) to direct current (DC) conversion. It can also be used as an ancillary to filters and stabilizing regulators, or to protect sensitive electronic circuits from overvoltage, overload, and short circuit.

The 2KBP04ML-6212E4/72 is applicable in low frequency to medium frequency AC/DC converters; these converters are found in many consumer electronics such as televisions, radios, and computers. As its surge peak current is up to 950A, it is also used in inductive motorized tools and in vehicle chargers.

Working Principle

The bridge rectifier consists of four diodes arranged in a bridge circuit, which converts AC to unidirectional pulse current. During the positive half cycle of the input signal, Diode D1 and D3 conduct, carrying current from the negative terminal of the AC supply to the load, while Diode D2 and D4 remain reverse biased. Similarly, during the negative cycle, Diode D2 and D4 conduct, and the current flows from the positive terminal of AC supply to the load, while Diode D1 and D3 are reverse biased. Thus, the AC supply is converted to DC in the form of unidirectional pulses.

To ensure AC to DC conversion with minimum ripple content, higher capacitive reactance must be used in the diode bridge circuit. To reduce the noise effect, an inductive reactance should also be included in the easy-ripple rectifier circuit. This will help to reduce the amplitude of the ripple, creating a smoother and longer output voltage.

Moreover, the thermal characteristics in the 2KBP04ML-6212E4/72 are excellent. It has a low on-state voltage drop, with minimal resistance and high-frequency loss, which make it suitable to work over a wide range of temperatures. Furthermore, its temperature coefficient and diodes recovery time are very low.

Conclusion

To sum up, the 2KBP04ML-6212E4/72 is a four-electrode type rectifier providing superior low-current, high-frequency performance. This bridge rectifier is commonly used in multiple electrical components and applications, such as consumer electronics, energy conversion, and automotive industries. Its surge peak current reaches up to 950Amps, highly suitable for inductive motorized tools and vehicle chargers. Thanks to its low on-state voltage drop, with minimal series resistance and high-frequency loss, this rectifier can work stably over a wide range of temperatures.

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