SMDJ100CA Circuit Protection

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TVS-diodes are used for over voltage and over current protection in modern electronic assemblies. The SMDJ100CA is a short-time avalanche diode, perfect for protecting direct current and automated equipment with low capacitance. In a world of ever-increasing and complicated electronic devices, the need for protecting them from overvoltage and over currents is paramount. The SMDJ100CA is an ideal choice for such applications.

The SMDJ100CA is built with a semiconductor junction, typically silicon, with highly conductive doping. This allows a minimal shunt capacitance with a fast overcurrent response. This low capacitance allows the use of the diode with high capacitive loads without creating false triggering. The diode has a breakdown voltage of 100VDC, making it well suited to preventing overloads on power supplies and equipment.

The way the SMDJ100CA works is simple, yet effective. In normal operation, the diode acts as a simple forward voltage drop, allowing for current to pass through it. However, under conditions of overvoltage, current flows through a channel that has a lower resistance. This lower current is what triggers the avalanche breakdown and shorts the diode, limiting the current. This is a type of distortion that can destroy electronic components, so having a device that can protect them is essential.

The SMDJ100CA is a great option for low capacitive applications, and when used in the right way, it can provide great overvoltage and overcurrent protection for a circuit. It is an essential component in modern electronic systems, and one that should be in any designer’s toolkit. The combination of low capacitance and fast breakdown time makes it an excellent choice for those looking to protect their devices from failure.

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