P4KE18A-B Circuit Protection

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TVS - diodes are widely used protective elements in electrical and electronic circuits. The most common type of diode is the P4KE18A-B, which offers excellent protection for high-speed circuits and data lines. This diode features a low on-state voltage, allowing it to work in both active and inactive states. It also has a low capacitance that ensures it is highly effective at preventing surges and EMI.

The P4KE18A-B has a variety of application fields and can be used to protect relays, amplifiers, microprocessors, ICs, and other components that require protection from ESD. Additionally, it is able to protect power and communication lines from electrical transients such as lightning or power surges. It can also be used in applications where sensitive components must be protected from RF signals, such as in medical and laboratory equipment.

The P4KE18A-B is made up of a P-type metal-semiconductor junction, which forms a diode barrier between the anode and cathode. When a voltage greater than the device\'s breakdown voltage is applied across the devices, it is immediately reversed and the stored energy is released to provide protection against transient event. This reversed current is then quickly dissipated or stopped due to the self-commutating nature of the diode. As such, the P4KE18A-B is especially effective for over-voltage protection.

The P4KE18A-B is a popular choice for applications requiring improved ESD protection. It features a low capacitance that helps to minimize the stray-current effects and EMI/RFI interference. Additionally, the diode is capable of withstanding high-current surges, which makes it an ideal choice in applications where maximum current is a consideration. It is also durable and reliable due to its construction and can handle up to 1,000 volts without any damage.

In conclusion, the P4KE18A-B is an excellent choice for applications requiring improved ESD protection and reliable operation. It is suitable for use in a variety of application fields and offers excellent performance in the protection of sensitive components from electrical transients and EMI. Additionally, its low capacitance, high-current capability, and durable construction make it a reliable and cost-effective option for any application requiring TVS-diodes.

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