SM15T68CA-E3/57T

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TVS or Transient Voltage Suppressors Diodes are solid state surge protectors used to protect sensitive electronic components from transient voltage and power surges. The SM15T68CA-E3/57T is a five-terminal transient voltage fabricated with thin film technology. It is ideal for use in various industrial, commercial, and military applications. This article will discuss the application field and working principle of this device.

The SM15T68CA-E3/57T has a wide range of applications, such as military and space applications, because of its high surge energy capability, wide voltage range, and low capacitance. It is suitable for high reliability applications including uninterruptable power supply (UPS), telecommunications, and consumer audio/video products. Other common applications include automotive, power supply, industrial control systems, and other industrial, commercial, and military systems.

The working principle of the SM15T68CA-E3/57T is relatively straight forward. When a voltage higher than the breakdown voltage is applied to the device, it will start conducting electricity. This electric current produces a very short pulse of high current before the device returns back to its normal behavior. The device also features an internal clamping diode that limits the maximum current that can flow through it. This helps to protect any connected electronics from being damaged by an over-current situation.

The device is composed of two components, the main chip and a clamping diode. The main chip is a silicon carbide diode that is responsible for the surge current absorption. The clamping diode prevents further increase of electric current by limiting the peak of electric current through the main chip. When a voltage higher than the breakdown voltage is applied, the main chip will enter the breakdown region and start conducting, and the clamping diode will activate to limit the peak current.

The SM15T68CA-E3/57T also features two additional features, such as internal voltage protection and external current limiting. The internal voltage protection activates when an overvoltage situation occurs, and reduces the voltage to a safe level. The external current limiting lets you limit the current through the device to protect connected electronic components.

In summary, the SM15T68CA-E3/57T is a five-terminal transient voltage suppressor fabricated with thin film technology. It is suitable for high reliability applications and has a wide range of applications, such as military and space applications. It\'s working principle involves a main chip and clamping diode, and it also features internal voltage protection and external current limiting.

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