P300B-E3/54

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Diodes - Rectifiers - Single

The P300B-E3/54 is a high reliability, ultrafast diode used primarily for rectification applications in power supplies and DC-DC converters with a maximum repetitive peak reverse voltage (Vrm) of 300 V and maximum repetitive peak forward current (Ifrm) of 20 A. It is also suitable for use in amplifier protection and other applications where fast recovery time is required. The P300B-E3/54 is designed using P-type diffusions to ensure high efficiency rectification and low forward voltage drop.

Application Field

The P300B-E3/54 is ideal for a variety of rectification applications in the power supply and DC-DC converter market. It is well-suited for applications that require high speed switching and accurate timing such as amplifier protection circuits, switch-mode power supplies, and flyback converters. The low forward voltage drop of the P300B-E3/54 makes it ideal for low voltage applications, such as in switching power supplies, DC-DC converters, and motor controllers. The fast recovery time of the diode also makes it well-suited for applications requiring fast response times such as alarm systems, automotive voltage monitoring, and high boost converters.

Working Principle

The P300B-E3/54 is a high reliability, ultrafast diode that is based on the P-type diffusions used in rectification. The P-type diffusion ensures that the diode has a low forward voltage drop and fast recovery time. The diode limits the amount of current allowed to pass through when the diode is forward biased and is capable of blocking the reverse current when the diode is reverse biased. The P300B-E3/54 is designed so that the reverse breakdown voltage is higher than the peaks of transient voltages that may occur in applications such as switch-mode power supplies. The fast recovery time of the P300B-E3/54 ensures that the circuit is not damaged by the high rate of change in voltage or current.

Packaging and Thermal Characteristics

The P300B-E3/54 is available in a through-hole TO-220F package with a maximum junction temperature of 125 °C. The package contains a built-in thermal pad, allowing for efficient heat dissipation. The device also has an internal thermal resistance of 0.86 °C/W and a thermal impedance of 0.35 °C/W.

Reliability and Stress Testing

The P300B-E3/54 has been tested for reliability according to JEDEC standards for moisture sensitivity and temperature cycling. The device has also undergone rigorous shock and vibration testing, high temperature storage and endurance testing, and life cycle testing. The device is RoHS compliant and has been certified to meet the requirements of international electromagnetic compatibility standards.

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