BY229B-400HE3/81

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Diodes - Rectifiers - Single

BY229B-400HE3/81 is a fast recovery diode developed by ISOCHIP Technology. It is a three-layer diode with an optimized fail-safe structure and a maximum reverse power rating of 400 volts. It is designed to provide high-speed rectification, high surge current capabilities and low total capacitance.

Application Field

BY229B-400HE3/81 is well suited for use in various power conversion applications such as motor speed control and motor control, power supply rectification, general AC-DC, DC-DC and other power switching applications. It is an excellent choice for power conversion systems that require high efficiency, low noise, high power and wide range applications. Compared with standard bridge components, this diode provides a much higher capability and efficient performance.

Working Principle

The BY229B-400HE3/81 has been specifically designed to deliver outstanding performance. The three-layer diffusion junction technology features very short protection intervals which provide fast protection and excellent efficiency for high speed power switching platforms. In addition, the robust structure of the diode allows working at high temperatures and high voltage, helping to reduce the need for heatsink elements in power conversion designs. In operation, the diode allows current to flow in one direction only and blocks current from passing in the opposite direction, providing rectification.

The BY229B-400HE3/81 is able to provide excellent performance under high temperature and high voltage conditions. Additionally, its high surge capability, low forward voltage drop, low noise and low capacitance characteristics, makes this diode suitable for a variety of high-performance power conversion applications. It is suitable for operation at temperatures up to 150°C and can handle peak inverse voltages (PIV) up to 400 volts. The junction has also been designed to provide improved thermal resistance performance and improve the overall efficiency of the power conversion process.

The BY229B-400HE3/81\'s low leakage current helps to reduce any extra power that may be lost in the power conversion process and its low ESR helps to improve the overall circuit efficiency. The diode\'s optimized capacitance characteristics help to lower harmonic distortion and help reduce the need for an external clamping element. Its advanced packaging ensures an ultra-low profile and small foot print, making it suitable for high density applications.

In summary, the BY229B-400HE3/81 is a high-performance, efficient, ultra-low profile fast recovery diode ideal for various power switching applications that require high efficiency. Its optimized structure provides advanced protection against overload and its low total capacitance ensures that parasitic effect are minimized. In addition, its advanced packaging design helps to provide superior thermal resistance and reduced overall system size.

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