S3M-E3/57T Discrete Semiconductor Products

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The S3M-E3/57T rectifier is a single-phase or three-phase rectifier diode widely used in power electronics applications. It has a frequency of operation up to 500 kHz and a maximum surge current capability of 57A. The device is capable of withstanding extreme temperatures, making it ideal for high temperature applications. It is also hermetically encapsulated and includes a built-in EMI/EMC filter.

The S3M-E3/57T rectifier is a full-wave bridge rectifier with a positive terminal at one end and a negative terminal at the other. It utilizes two independent four-terminal power-poles to provide a pair of full wave rectifiers. The four terminals include two for the positive DC side and two for the negative DC side. The rectifier diode blocks the DC current from flowing in the reverse direction, allowing only the positive current to flow, and then rectifying it to a positive voltage. This rectifying effect, known as forward voltage reduction, allows for more efficient energy conversion and greater energy conservation.

S3M-E3/57T rectifiers generally find their application in the power supplies and electrical circuits of consumer and industrial electronic applications. In particular, they are used in the power supplies and switching power supplies of medical, automation, and office equipment, as well as in automotive and consumer electronic devices. They are also used in home appliance and lighting fixtures, solid-state relays, power factor controllers, and safety equipment.

The S3M-E3/57T rectifier diode is built with a unique construction and is highly reliable in operation. It is hermetically sealed and includes a built-in EMI/EMC filter for the attenuation of disturbances caused by external electromagnetic fields. This significantly reduces the risk of failure due to electromagnetic interference and improves the overall lifecycle. Additionally, the device has an improved heat sink design to dissipate heat and reduce the junction temperature, making it ideal for high temperature applications.

Furthermore, the S3M-E3/57T device has impressive power handling capabilities. It is rated with a maximum surge current of 57A, peak repetitive reverse voltage of ≤ 1kV, and a wide operating temperature range of -40 °C to +175 °C. These features make it suitable for circuits requiring high surge and peak current ratings, as well as for applications operating in extreme temperatures. With these characteristics, the S3M-E3/57T rectifier delivers improved performance and greater reliability, making it vital for many applications.

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