SM15T30AY

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SM15T30AY Applcation Field and Working Principle

SM15T30AY is a product in the TVS - Diodes segment. It is essential a Transient Voltage Suppressor Diode which functions to protect the component and system from the destructive effects of electrical transients. It functions by clamping a voltage to a defined level and releasing the voltage back to the source after a short discharge delay.

Application Fields of SM15T30AY

SM15T30AY can mainly be employed in three industries: Telecommunications, Automotive and Information Technology. In Telecommunications, SM15T30AY provides protection from lightning and electrostatic discharge. It can maintain the model networks due to its low on-state and high surge capability. In Automotive field, SM15T30AY has low clamping voltage and low leakage current. It is able to remain fast at high temperature and provide protection from over voltage. In Information Technology, SM15T30AY is suitable for printed circuit board level protection due to its low dynamic resistance, high surge capability and very low clamping voltage.

Working Principle of SM15T30AY

SM15T30AY works through a turn-on process during which a triac structure turns-on and creates conductive paths. To bring fast protection, a series connected diode can be used. When a transient event passes through, the diode will immediately turn on and clamps the voltage. To protect against overshoot, a built-in resistors can be used to limit the current that can flow through the diode. Next, the diode is clamped to reduce the leakage currents to a safe level. Finally, the device will turn off and re

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