SMAJ4476CE3/TR13

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Diodes are important components in modern electronics, and Zener single diodes are no exception. The SMAJ4476CE3/TR13 is a popular example and is used in various applications. This article will discuss the application field and working principle of this component.

Application Field

The SMAJ4476CE3/TR13 is a Zener single diode specifically designed for surge protection purposes. It has a wide Operating Temperature Range (between -55°C to +150°C) and is able to withstand high voltage surges up to 5.0kV, making it ideal for protecting electronic circuits from surge-related damage. It is also designed to be highly reliable, with long term stability and a low, 1.4V zener voltage. It is ideal for ESD protection in datacom, industrial and consumer applications, particularly for protecting communication lines, signal lines, and power lines.

Working Principle

The working principle of a Zener single diode is relatively straightforward. When the voltage across the diode is below the Zener voltage, the diode acts as an open-circuit and no current is able to flow through it. As the voltage begins to rise, it will eventually reach the specific Zener voltage of the diode. At this point, the diode switches to a conducting state, allowing electrical current to begin flowing through it. This limiting of the voltage can be beneficial in protecting against short circuits or other voltage-related issues.

To work effectively, the SMAJ4476CE3/TR13 must be used in a simple voltage-limiting circuit. This circuit is designed so that the diode remains in the open-circuit state until it reaches the Zener voltage, at which point the Zener diode begins conducting current. This in turn limits the voltage across the other elements of the circuit.

Conclusion

In conclusion, the SMAJ4476CE3/TR13 is a Zener single diode designed for electronic surge protection. It is designed for long-term reliability and stability, and can withstand high voltage surges up to 5.0kV.In order to work effectively, it must be used in conjunction with a simple voltage-limiting circuit, allowing the diode to switch to a conducting state and limit the voltage across other components of the circuit.

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