P4KE20A-TP Circuit Protection

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TVS – diodes serve as surge protectors which are used for surge protection of electronic systems and devices. The P4KE20A-TP is a unidirectional TVS diode that provides bidirectional ESD protection at high voltages. It has a reverse stand-off voltage of 20V and a peak pulse power rating of 2000 watts, making it suitable for a wide range of applications.

Applications of the P4KE20A-TP include protection of CMOS logic circuits and transistors from electrostatic discharge. This diode can be used in low capacitance ESD protection circuits, bus protection for computer motherboards, data transmission lines, and EMI/RFI suppression in communication systems. It can also be used in RAID drive storage systems for data loss prevention.

The P4KE20A-TP is a Surface Mount Device (SMD), making it ideal for use on PCBs where a small footprint and fast signal routing is necessary. It has a small size package with an industry standard SMD footprint, making it compatible with most soldering techniques. The diode also offers a high reliability rating with an average failure rate of 1 PPM.

The working principle of the P4KE20A-TP is based on a reverse biased Zener diode. When a surge voltage is applied, the diode is subject to a high electric field. The electric field causes the reverse-biased Zener diode to conduct current, limiting the surge voltage applied. This allows the TVS diode to absorb the energy of the surge, protecting the sensitive devices from damage.

The P4KE20A-TP offers superior surge protection for a wide range of electronics and systems. Its small size and high reliability make it ideal for use in the modern age of high-speed electronic systems.

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