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TVS - Diodes

TVS diodes are special types of semiconductor diodes designed to protect electronic circuits from voltage transients, or spikes, such as those created by lightning, electrostatic discharge or induced voltage. A TVS diode is a unidirectional device, meaning it allows the flow of current in one direction only, and it is generally used to protect circuits from transient overvoltage conditions.

CD214B-T100CALF Application Field and Working Principle

The CD214B-T100CALF is a transient voltage suppressor diode used to protect sensitive electronic components from transient voltage dysfunctions. This diode is designed to absorb high-magnitude energy transients of short duration, providing protection from lightning strikes, electrostatic discharge, and other voltage transients. It can be used in a variety of electronics applications such as communication lines, industrial equipment, motor controllers, and consumer electronics.

The CD214B-T100CALF is constructed with multiple elements connected in series and parallel. The multiple elements work together to provide superior protection from spikes and voltages that come and go quickly. As voltage rises, the voltage across a junction of the components becomes large enough to cause avalanche breakdown in the component, resulting in a large increase in current. This current is then dissipated by the heat sink mounted to the backside of the device. This process occurs in a few nanoseconds, allowing the device to quickly suppress voltage transients.

The CD214B-T100CALF has a maximum transient pulse surge current rating of 100A at 8/20 μs, and a maximum peak pulse power rating of 800W. Its dissipation is 25W and operating voltage is 175V. This model has a unidirectional configuration and temperature range of -55°c to 175°C. It is also stored with plastic film, which allows for safe storage until the time of use. The CD214B-T100CALF is ideal for applications that need superior voltage surge protection in a small package.

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