SB250-E3/54

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Diodes - Rectifiers - Single

The SB250-E3/54 is a device used to rectify and regulate power in electrical circuits. It is an ideal solution for applications that require low-cost and efficient rectification and protection. This diode can withstand maximum peak and average power almost indefinitely.

Application Fields

The SB250-E3/54 is mainly used in AC-DC modular power supplies. It is mainly used as a rectifier for DC voltage control. The device can also be applied in automotive, aerospace, industrial, computing, communications and military applications. It is also suitable for voltage stabilisation, power conditioning, and transformer protection.

Working Principle

The device contains a reverse-blocking silicon-controlled rectifier (SCR) that consists of three junctions. It is designed to ensure the flow of current only in one direction. The SCR is triggered when a voltage of sufficient magnitude is applied to its control electrode, known as the gate. It is then turned on when the voltage between its anode and cathode is greater than its forward blocking voltage. The device operates when current is applied to the anode while the cathode remains connected to ground.

The device is constructed with power handling capacity of up to 250V and a current rating of 54A. This enables it to handle higher voltages and currents than other commercial rectifiers. The temperature rating of the device is typically between -40°C and 135°C.

The device ensures maximum peak and average power handling capacity and excellent surge performance. It offers an Isolation of 1500V (min). Moreover, it provides excellent protection from transient overvoltage and dissipation of intense power spikes. The device is small in size (3.9mm x 8.3mm) and is highly reliable.

Conclusion

The SB250-E3/54 is an efficient and reliable device for applications requiring effective current rectification and switching. It is designed to handle higher voltages and currents than other similar devices and has a temperature rating of -40°C and 135°C. The device offers an isolation of 1500V (min) and is suitable for a variety of AC-DC power supply applications.

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