SMA5J17A-E3/5A

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TVS-Diodes

Transient Voltage Suppression (TVS) diodes are specially designed to protect sensitive electronic components from power surges, electrostatic discharge (ESD), and other transient voltage events. Among the various types of transient voltage suppression diodes, the SMA5J17A-E3/5A has some unique characteristics that make it a preferred choice for certain applications. In this article, we will discuss the application field of and working principle of SMA5J17A-E3/5A.

Application Field of SMA5J17A-E3/5A

SMA5J17A-E3/5A is a bi-directional uni-polar Transient Voltage Suppressor (TVS) diode that is intended for use in the protection of sensitive electronics from electrostatic discharge (ESD). It also helps protect electronic components from voltage surges caused by lightning, switching load, and inductive kick-backs. The device has a breakdown voltage between 15 and 20 volts, and can sustain a surge current up to 8 amperes. Due to its low clamping voltage, SMA5J17A-E3/5A is mainly used in automotive and telecommunication systems, where power integrity is of great importance.

The SMA5J17A-E3/5A is also most suitable for protection of high speed and low voltage signal lines. It is also used in computer and network systems for preventing the destruction of sensitive computer parts due to overvoltage. These diodes are also used in medical devices such as pacemakers, stress tests machines, and magnetic resonance imaging systems.

Working Principle of SMA5J17A-E3/5A

The working principle of SMA5J17A-E3/5A is based on the electronic properties of a PN junction diode. In the reverse direction, the diode reacts quickly to transient over-voltages, thereby “clamping” the voltage at a safe level.

The diode has a low clamping voltage and can provide a fast turn-on time for effective protection of the device. The fast response time helps to ensure that the voltage does not exceed a certain safe level. The reverse leakage current of the diode is low enough that it does not cause any significant interference with the equipment under protection.

The SMA5J17A-E3/5A is designed such that it can withstand high surge currents which are up to 8 Amps. This makes it well-suited to protecting sensitive equipment from lightning and power surges.

The SMA5J17A-E3/5A is designed to be extremely reliable, and it is capable of withstanding prolonged operating temperature. Its robust design and excellent performance make it a preferred choice for protection of sensitive electronics in a variety of applications.

In conclusion, the SMA5J17A-E3/5A is a bi-directional uni-polar Transient Voltage Suppressor (TVS) diode that is intended for use in the protection of sensitive electronics from electrostatic discharge (ESD). Due to its low clamping voltage and ability to sustain a surge current up to 8 amperes, it is mainly used in automotive and telecommunication systems, where power integrity is of great importance. It also helps protect electronic components from voltage surges caused by lightning, switching loads, and inductive kick-backs.

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