P4SMA11CA

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TVS (Transient Voltage Suppression) diodes, otherwise known as Transient Voltage Surge Suppressors, are electronic components that provide over-voltage protection on vulnerable circuits. It is primarily used as protection against transients generated by nearby lightning. It is important to note that these are different than thyristors and MOVs, which focus on energy dissipation, as TVS diodes are designed to block large voltage spikes.

The P4SMA11CA is a unidirectional 1.5KW, 11V surface mount TVS diode commonly used to protect sensitive equipment from voltage transients. The P4SMA11CA offers 1500 Watts of transient power handling, 11.0V breakdown voltage (maximum clamping voltage), and a 5.5A peak current capability. Additionally, it has peak pulse power of 4 kW, a low capacitance of 25pF, and a very low Ipp (maximum transient current rating) of 5A.

The working principle of the P4SMA11CA is simple and straightforward - when a voltage transient occurs, the device will activate instantly and block the surge, thus preventing any damage to the rest of the circuit. When the transient has passed, the device will reset itself back to its original state. The P4SMA11CA is designed to be used in conjunction with other select components to provide a complete overvoltage protection package.

The main application field for the P4SMA11CA is in general telecom or broadcast equipment. The low capacitance, high surge power, and low breakdown voltage make it ideal for protecting these circuits and preventing potential damage from power surges or lightning strikes. It is also suitable for use in automotive applications, as it can offer protection against transients from ESD, voltage faults, and other potential dangers.

In conclusion, the P4SMA11CA is a reliable and cost-effective unidirectional surface mount TVS diode designed to protect vulnerable circuits from transient voltage spikes including those stemming from lightening strikes. Its main application field is in general telecom or broadcast equipment, however, it can also be used in automotive applications. The P4SMA11CA works by activating instantly when a voltage transient occurs, and then resetting itself back to its original state afterwards.

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