S3M-13 Discrete Semiconductor Products

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Diodes - Rectifiers - Single: S3M-13 Application Field and Working Principle

The S3M-13 is a single-phase, center-tapped silicone rectifier. It provides high reliability and excellent temperature stability making it suitable for use in heavy-duty or mission critical applications. The rectifier is also used for power supply and motor speed control in a wide range of industrial and commercial applications. This article will discuss the application field and working principle of the S3M-13.

Application Field

The S3M-13 is mainly used in power supplies and motor speed controllers. In power supplies, the rectifier can be used to convert AC power to DC power and provide a steady power supply for devices. Additionally, the S3M-13 can be used in motor speed controllers to control the speed of electric motors. The rectifier can be used in a wide range of industries, such as automotive, agricultural, manufacturing and military, to provide precise and reliable power supply.

Working Principle of S3M-13

The S3M-13 is a center-tapped three-leg rectifier. The middle leg is the center-tap while the other two legs are the AC inputs. The AC input is sequentially applied to the two terminals of the rectifier. As the voltage on the center-tap is half of the AC input, the current is allowed to flow through one of the two legs as the voltage is higher and become blocked when it becomes negative or lower than the voltage on the center-tap. The current then takes the reverse direction and current flows through the other side of the rectifier.

The purpose of this operation is to convert AC power to unipolar DC power which can be used for different applications. The rectifier prevents the current from reverses direction when the voltage on the center-tap is lower than the applied AC input. Thus, it helps convert AC power to DC while eliminating the need to use additional components.

Conclusion

The S3M-13 provides a reliable and excellent temperature stability, making it suitable for use in heavy-duty or mission critical applications. It is mainly used in power supplies and motor speed controllers to control the speed of the electric motors. The rectifier works by allowing current flow through a single side of the rectifier when the voltage on the center-tap is higher and block it when it becomes negative or lower than the voltage on the center-tap. With the help of the rectifier, the AC current can easily be converted to unipolar DC power.

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