SM30T28CAY Circuit Protection

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A Transient Voltage Suppressor (TVS) is an electronic device used to protect a circuit from the damaging effects of transient or sudden voltage spikes. The SM30T28CAY is a three-terminal TVS diode with an integrated ESD protection circuit. This device is designed to deliver superior performance in protecting sensitive electronic components from overvoltage damage.

The SM30T28CAY has a low leakage current of 100nA, allowing it to remain inactive until an overvoltage event takes place. This device is ideal for use in medical, military, industrial and automotive applications. It is designed to protect against over-voltage conditions such as transients and surges caused by Electro Static Discharge (ESD), lightning strikes and vehicle power surges. The SM30T28CAY also offers superior surge protection over other common devices such as avalanche or Zener diodes.

The SM30T28CAY features a 30V reverse voltage protection level with a 75A surge pulse current handling capability. With an operating temperature range of -55C to 125C, this device can provide excellent protection in a range of environments. It also features a low trigger voltage of 7.8V, allowing it to respond more quickly to transient events.

The SM30T28CAY is designed to protect small circuits and sensitive components from damaging overvoltage and ESD transients. The device contains an integrated ESD protection circuit which provides protection to the circuit before the overvoltage pulse event occurs. The integrated ESD protection circuit is designed to detect an ESD event and dissipate the transient energy.

The working principle of the SM30T28CAY is simple and effective. When an overvoltage or ESD event takes place, the device detects the voltage spike and then activates its internal protection circuit. The protection circuit then acts like a switch and quickly shorts the device to ground. This reduces the voltage to a level that is safe for the circuit. The device then switches back on when the overvoltage or ESD event is finished.

The SM30T28CAY is an ideal device for overvoltage and ESD protection in various applications. This device is rated to handle high currents and can provide superior protection over other common protection devices. The SM30T28CAY is a cost-effective solution for protecting sensitive electronics from the damaging effects of transient or overvoltage events.

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