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TVS - Diodes

A TVS (transient voltage suppression) diode, sometimes also known as a transient voltage suppressor or transient suppressor diode, is an electronic component designed to protect electronic circuits and other semiconductor devices from voltage spikes or transients. The P6KE30CAHE3/54 is one such device.

Application Field

The P6KE30CAHE3/54 is a surface mount bidirectional TVS diode suited for surge protection in high-rate applications such as USB and high-speed data lines including ethernet, SATA, USB2.0, RS232 and I2C. This diode is specified for the high-energy transients in the range of 30 to 43 volts. Since it is a bidirectional diode, current can flow in both directions and, depending on the pressure, will either be switched off or will pass through as if it were a normal diode.

High-speed data transmission is enabled by the P6KE30CAHE3/54 by providing a low capacitance solution that is not affected by high frequency signals. Its\' design also helps protect various electronic components such as microcontrollers, microprocessors, amplifiers, and FPGAs against potential damage resulting from exchanged and/or emitted energy due to ESD (electro-static discharge).

Working Principle

The P6KE30CAHE3/54 is a bidirectional, low-capacitance transient voltage suppressor diode. It is designed so that when it is subjected to a certain level of external voltage, it will change from non-conductive to conductive, creating a low-impedance current path that will quickly divert the overvoltage to a safe, low-voltage level.

When the diode is triggered by an externally applied voltage, the internal structure of the P6KE30CAHE3/54 creates a low-impedance path that allows the voltage to dissipate more quickly than with other diodes. This low-impedance path then works to regulate the voltage down to a safe threshold level, thus protecting the connected components and ensuring the performance of the device.

In addition to protecting connected components from overvoltages, this diode also has a low capacitance design to reduce excess noise associated with high-speed data transmission. This low-capacitance design helps reduce crosstalk, ensuring that high-speed signal transmission is not compromised.

The P6KE30CAHE3/54 is well-suited for high-energy pulse protection applications such as data lines, modular jacks and board interfaces, and is suitable for use in portable equipment, office equipment, consumer electronics, automotive electronics, and telecommunications equipment.

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