SMCJ160

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The SMCJ160 is a part of the Transient Voltage Suppression (TVS) diode family, which is used to protect sensitive electrical components from voltage spikes such as those caused by electrostatic discharge (ESD). It is also known as an electrical overstress (EOS) diode, which helps protect components and equipment from being damaged by excessive electric current. The SMCJ160 is designed to protect against overvoltage transients up to 160 V peak.

The SMCJ160 is a two-terminal device, with two wires that connect across the component or equipment being protected. It has an integrated design that combines a pair of low threshold, high peak pulse current Zener diodes and an internal avalanche feature that increases the protection capability of the device. The two internal diodes clamp the voltage levels at different voltages. One diode is designed to conduct when the voltage exceeds the breakdown voltage, and the other is designed to conduct when the voltage rises above the peak surge voltage. This provides dual protection against both ESD and other transient voltage events.

The SMCJ160 is a reliable and cost-effective solution for protecting sensitive devices from potential damage due to voltage surges. It is widely used in a variety of applications such as protection of computers, network equipment, telecommunications systems, game consoles, consumer electronics, IoT devices, and other sensitive electrical components. The SMCJ160 can also be used to protect low-voltage automotive circuits such as the powertrain control module (PCM).

The working principle of the SMCJ160 is based on an avalanche breakdown. When a voltage is applied to the diode, the electrons are accelerated by the applied electric field and gain energy. When the electrons reach a critical velocity, they collide with the lattice of atoms in the diode and produce additional electrons, resulting in an avalanche. This creates a large surge of current, which helps to protect the component from damage by clamping and diverting the excessive current.

The SMCJ160 is designed to offer a high degree of protection from overvoltage transients up to 160 V peak. It is highly reliable and can withstand multiple transient events, making it an ideal solution for protecting sensitive components from voltage spikes. The diode is also offered in a variety of package sizes, making it easy to find a device that fits the exact application requirements.

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