SMCG7.5AHE3/57T

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TVS - Diodes

The SMCG7.5AHE3/57T (SMCG7.5A) is a transient voltage suppressor (TVS) diode designed to protect electronic circuits from high-voltage, high-energy transients. It is primarily used to protect sensitive equipment against voltage spikes, such as that caused by a lightning strike, and is available as a leaded or surface mount device.

Application Field

The SMCG7.5A TVS diode is widely used in a variety of applications, including:

• Power Supplies: It can help protect power supplies and other power-related components from voltage transients.
• Communications and Data Acquisition: The diode can also help protect sensitive vibration, pressure, and other measurement equipment from voltage transients.
• Automotive Electronics: The diode is used in some of the automotive equipment that is found in modern vehicles, such as airbags, engine control units, and more.
• Television and Radio Applications: It is used in television and radio sets for surge protection.
• Computers and Servers: The diode is used in some computer components, such as the power supply, to protect against voltage transients.

Working Principle

The SMCG7.5A TVS diode is a voltage suppressor. When the input voltage becomes too high, the diode will reduce the voltage so that the circuit is not damaged or destroyed. This is done by utilizing a zener breakdown mechanism, which eliminates excess voltage energy in the form of heat.

The diode provides protection from voltage transients by utilizing reverse-recovery current clamping. This works by allowing current to flow in a forward direction during normal operations. However, when a transient occurs, the diode limits the current in the reverse direction and quickly clamps the voltage. This prevents the excess voltage from damaging or destroying any components in the circuit.

The SMCG7.5A TVS diode is also designed with a low clamping voltage, which means that it can still protect circuits even when the voltage is as low as 7.5 volts. It also has a low reverse leakage current, which prevents excessive power dissipation in case of an over-voltage situation.

The SMCG7.5A TVS diode offers reliable protection from voltage transients, and is available as a leaded or surface mount device. The diode is relatively inexpensive and easy to install, and can help protect sensitive electronic equipment from voltage spikes.

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