P4KE10CA-B

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TVS, or transient voltage suppressors are devices that are most commonly used to protect electronic devices and circuits from voltage transients, which are short-term voltage variations, either positive or negative, in an electrical system. Voltage transients are often caused by electromagnetic impulses, such as lightning, and can cause considerable damage to sensitive electronic devices. The P4KE10CA-B is a TVS diode that limits the peak pulse current of +10A for protection. It is especially applicable for protection of data and signal lines.

Features of P4KE10CA-B

The P4KE10CA-B TVS diode has many features that make it an ideal choice for many protection applications. It has a low terminal capacitance of 8pF, which is ideal for high-speed data line applications, as well as a low clamping voltage of 7.7V V(BR) at 10A. It also features a high surge capability and a high peak pulse power of 400W at 10/1000μs, which is sufficient for most common transient voltage surges.

Application Field of P4KE10CA-B

The P4KE10CA-B is applicable in many areas, such as communications and automotive circuits, data lines, and audio lines. It can also be used on DC/DC converters, telecommunication equipment, digital signal circuitry, and even in consumer electronics. The device is suitable for protection against overvoltage transients, such as produced by pulses generated by inductive loads and from a variety of other sources.

Working Principle of P4KE10CA-B

The P4KE10CA-B applies the same working principle as other diode TVS devices. The P4KE10CA-B is made up of a pair of back-to-back zener diodes connected across the power line, which create a pair of PN junctions. When there is a potential difference across the two junctions, the PN structure will conduct current, which will then be dissipated as heat. When the voltage across the power line is greater than the reverse breakdown voltage, the current can increase rapidly. This sudden surge of current is known as a transient current. The P4KE10CA-B will limit the rise time and accelerate the dissipation of this transient current, thus providing protection to the electronic device or circuit by preventing damage caused by the transient.

Advantages of P4KE10CA-B

The P4KE10CA-B has many advantages over other types of TVS diodes. It is relatively small in size, making it tailor-made for many smaller-scale projects, and it\'s relatively inexpensive, compared to many of the other types of TVS diodes available. It can also handle higher lightning surge currents, and has a much tighter clamping range than other diodes. All of these features make the P4KE10CA-B an excellent choice for many types of protection applications.

Conclusion

The P4KE10CA-B is an ideal TVS diode for many applications, especially in communications and automotive circuits, data lines, and audio lines. Its low terminal capacitance, low clamping voltage, and high surge capability, make it a reliable choice for providing protection against voltage transients, such as those produced by pulses generated by inductive loads and other electromagnetic impules.

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