ESD7351P2T5G Circuit Protection

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The ESD7351P2T5G is a versatile device that integrates protection and low-inductive switching into a single unit, providing superior protection with fast switching speed and low clamping voltage. It belongs to the category of TVS (Transient Voltage Suppressors) diodes. TVS diodes are designed to protect sensitive electronic components from damage due to high voltage transients, thus extending the lifetime of the protected component.

The ESD7351P2T5G has been developed by ON Semiconductor as an efficient and reliable solution for consumer, industrial and automotive applications, which are all potential targets for ESD events and surges. With a surge energy rating of 4.4 Joules and a low clamping voltage of 6.2V, the ESD7351P2T5G is highly tolerant of ESD, lightning, and other surge conditions.

On top of being a general purpose TVS diode, the ESD7351P2T5G features a low capacitance diode to reduce the associated noise of surge protection when activated. This makes it an ideal choice for high-speed data lines, such as USB 3.0, that are susceptible to data transfer interference from external ESD events. The ESD7351P2T5G is also UL recognized, to guarantee safety and reliability during operation.

The ESD7351P2T5G utilizes a silicon diode connected between the anode and the cathode, as well as an additional protection diode. The positive voltage is applied to the anode and the negative voltage is applied to the cathode. In normal operating conditions, the silicon diode remains reverse-biased and the protection diode is non-conductive. When an ESD event occurs, the inrush of current creates a transient current that is conducted through the protection diode, allowing the ESD event to be safely discharged. The clamping voltage of the ESD7351P2T5G is about 6.2V, limiting the continuous dissipated power across the diode to 2.5W, which prevents the device from operating beyond its specified operating temperature.

The ESD7351P2T5G is an excellent choice for applications with a low surge life requirement, such as consumer electronics, industrial systems and automotive systems. The low clamping voltage of the device ensures superior protection and low inductive switching, allowing it to continue functioning under extreme conditions. The low capacitance diode also results in better noise immunity, protecting high-speed data lines from any interference. As a result, the ESD7351P2T5G is an ideal choice for a wide range of applications that require reliable protection from ESD transients.

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