TP1.5KE22CA Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are a type of surge protection device. They protect electronic components against electrical transients such as electrostatic discharge (ESD) and lightning-induced surges. The TP1.5KE22CA is a unidirectional (uni-polar) Transient Voltage Suppressor Diode, with an application field that extends from general electronics to automotive applications.

This ultra-low capacitance voltage suppressor diode is a Very High ESD rated Transient Voltage Suppressor. It is suitable for providing protection for data I/O, telecom and automotive lines. It can also use for General Purpose ESD, up to 16kV contact & Air discharge with great reliability. It is very low capacitance, and its capacitance is tested and guaranteed to less than 2pF.

The TP1.5KE22CA is made of silicon avalanche diode with two sections: the anode and cathode. The anode section supports the positive current while the cathode section supports the negative current. The cathode section also supports a specific energy level that will cause the diode to break down during transient voltage, creating a low impedance conduction path to suppress transient overvoltages.

The working principle of the TP1.5KE22CA is as follows. When a surge appears, the voltage across the components in the circuit rises to a point where the voltage exceeds the breakdown level of the diode. At this point, the diode conducts, forming a low impedance path for the surge current, and thus suppresses the voltage. This limits the voltage rise to a predetermined level, thus providing protection to all the components connected in the circuit.

This diode also has an excellent dynamic resistance profile, providing extra protection and making it more suitable for the protection of sensitive circuitry. The power rating of the diode is 1.5W. and the reverse clamping voltage ranges from 7 - 22V. The factory- rated test voltage is also 9kV.

The TP1.5KE22CA is widely used in a wide range of applications including computers, telecom equipment, automotive electronics, and other consumer electronics. It provides reliable overvoltage protection for sensitive electronic components and is suitable for both automotive and non-automotive applications.

In conclusion, the TP1.5KE22CA is a very useful and reliable voltage suppressor diode, with an application field extending from general electronics to automotive applications. It protects electronic components against electrical transients such as electrostatic discharge (ESD) and lightning-induced surges, providing reliable overvoltage protection for sensitive electronic components.

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