ESD7951ST5G Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are designed to protect sensitive electronic components from high-voltage electrical spikes or surges that can be induced by lightning strikes, electrostatic discharge, and other environmental factors. The ESD7951ST5G is one of the most popular TVS diodes in the market, due to its wide array of features, including a high transient power rating, a low capacitance, and the ability to withstand a high repetition rate of transient pulses.

The ESD7951ST5G is a PN junction TVS diode, built on a glass passivated chip. It has a low profile surface mountable package, designed for ease of installation and transport. It is rated for a peak power of 500W and a peak pulse current of 30A. The capacitance of the device is 1pF in the “off” state, and 5pF in the “on” state. The device also has a low clamping voltage of 31.3V - 37.4V.

The device is primarily used in high speed data interface applications, such as USB, HDMI, and VGA. It is also often used in data management and communication systems, as well as military and aerospace applications. The common working principle for the device is to protect sensitive circuits from voltage transients that exceed the normal operating voltage of the circuit. When the voltage exceeds the normal operating voltage of the circuit, the diode activates and acts as a switch, diverting the excess voltage to ground.

The ESD7951ST5G utilizes a two-stage protection mechanism to provide the highest surge immunity and robustness for a wide variety of applications. The first stage is the high-speed response circuit, which responds to high frequency transients and kicks in almost instantaneously to minimize the transient current flowing through the device. The second stage is the overvoltage protection circuit, which provides a slow response and longer hold-off times for steady state voltage transients.

In addition to its protection features, the ESD7951ST5G is also designed to provide low capacitance and low operational noise. It ensures the signal integrity of data interfaces and sensitive communication systems. The device also has a unique temperature compensation circuit, which guarantees a constant output voltage, regardless of the operating temperature.

Overall, the ESD7951ST5G is an extremely reliable and robust TVS diode, designed to provide superior protection and reliable performance in a wide range of applications. It is well-suited for military, aerospace, data management, and communication systems, as well as high speed data interface applications such as USB, HDMI, and VGA. It provides superior protection from damaging voltage transients and surges, as well as low capacitance and low noise operation. With its numerous features, the ESD7951ST5G is one of the most popular TVS diodes in the market.

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