SMCG33A-M3/9AT

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TVS (Transient Voltage Suppression) diodes are a type of semiconductor diode designed to protect sensitive electronic devices from a wide range of voltage transients, including inductive load switching, electrostatic discharge (ESD), and lightning-induced surges. They act as a bridge between the power source and the electronic device, shunt excessive surge energy to ground, and clamp voltage to a safe level. The SMCG33A-M3/9AT is one such example of a TVS diode.

The SMCG33A-M3/9AT is a surface-mount, ultra-low capacitance diode designed to protect a variety of high-speed data lines from voltage transients. It offers ultra-low capacitance of 0.2 pF, ESD protection up to 20 kV, and lightning protection up to 9 A (8/20 μs). It is RoHs compliant, and features a low insertion loss of 1.0 dB at 100 MHz. The SMCG33A-M3/9AT is available in various package sizes, including SMA and SMB.

The working principle of the SMCG33A-M3/9AT diode is based on avalanche breakdown. When the diode is placed across a circuit and the voltage reaches a certain level, the effect of avalanche breakdown will cause current to increase exponentially until the device is destroyed. This breakdown voltage is known as the “clamp voltage” and is specified on the device. The breakdown voltage of the SMCG33A-M3/9AT is 5V.

The SMCG33A-M3/9AT diode is suitable for a wide range of applications, including ESD protection of high-speed data lines, circuit protection against spikes, lightning protection, and EMI/RFI reduction. It can be used in automotive, industrial, and consumer electronics applications such as lidar, smart home, and other high-tech devices. It is also suitable for mobile phone, tablet and laptop computers.

In summary, the SMCG33A-M3/9AT is a surface-mount ultra-low capacitance TVS diode designed to protect high-speed data lines from voltage transients. It has an ultra-low capacitance of 0.2 pF, ESD protection up to 20 kV, and lightning protection up to 9 A (8/20 μs). It is suitable for a wide range of applications, including ESD protection, circuit protection, lightning protection, and EMI/RFI reduction. The SMCG33A-M3/9AT is an ideal choice for applications that require reliable protection against voltage transients.

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