P3406UCLTP

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P3406UCLTP is a kind of TVS (Thyristor) product manufactured and launched by STMicroelectronics. It is mainly designed for the functional purpose of protection of the high-speed data lines from ESD (electrostatic discharge) and other surge events. In order to make it work effectively, it is usually placed between an external source and a vulnerable circuit in the system. It’s widely used for its three-terminal, nonlinear voltage-controlled switching device with bidirectional thyristor (or SCR) and diode. In addition to protecting circuits from direct lightning strikes and power cross, security concerns include static electricity and other voltage levels-induced transients. While these issues may exist in other applications, the P3406UCLTP is particularly designed for the protection of USB ports.

The P3406UCLTP brings several advantages in comparison with other models of TVS parts. For example, it is a fast-acting thyristor that has a unique “reverse-bias” feature that is beneficial in protecting equipment from any over-voltage conditions. Moreover, it has excellent ESD protection levels, low clamping voltages and low leakage current levels. It is also highly reliable, so it can be used for long- duration applications, such as extended high-speed signaling. Its high avalanche energy ratings ensure that it can survive harshest environmental tests and even direct lightning strikes.

The working principle of the P3406UCLTP is that the breakover voltage of the TVS diode in the positive direction is lower than the anode threshold voltage while its breakover voltage in the negative direction is higher than the cathode threshold voltage. When the potential voltage exceeds the specified breakover voltage, the thyristor can be turned on, so the voltage reaches the clamping voltage of the TVS. When it reaches a certain level, a large amount of current will be transmitted to the incident voltage source and the load will have the purpose of discharging the static electricity from the high pressure and distributed, thus protecting the electronic equipment from damage.

The P3406UCLTP is particularly useful for applications in automotive, telecommunications, industrial and consumer electronics applications, due to its lower clamping voltage levels and stable avalanche characteristics. In addition, its incredibly fast response time (<1 nsec) helps reduce the risk of damaging components due to sudden transients. In automotive applications, the P3406UCLTP is commonly used in serial ports as well as for audio, charging and display protection. In consumer electronics, it is typically used for the protection of USB, HDMI and power ports.

In summary, the P3406UCLTP is an excellent example of a TVS product that offers effective protection from electrostatic discharge and other surge events. With its lightning-fast response time, low clamping voltages and high avalanche energy ratings, the P3406UCLTP offers enhanced protection for high-speed data lines, serial ports and other vulnerable components. It is commonly used in automotive, telecommunications, industrial and consumer electronics applications, due to its reliable performance and overall capability.

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