TPC18AHM3/87A

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Transient Voltage Suppressors (TVSs) are devices used to protect circuit components from voltage transients caused by Electro-Static Discharge (ESD) events. The TPC18AHM3/87A is a TVS device developed to protect circuits from ESD transients and other overvoltage conditions. It is designed to maintain a low clamping voltage and dissipate high peak pulse power.

The TPC18AHM3/87A has an operating voltage range of 5.5V to 18V. The device is bidirectional and has an ESD protection level of up to 30kV HBM for providing robust protection against high current and voltage surges. The device also features thermal and short-circuit protection. It has a maximum current rating of 18V, 3A and is available in a DFN package.

The TPC18AHM3/87A is suitable for a wide range of applications requiring protection from overvoltage conditions such as ESD, lighting strikes, electrostatic discharges, electrical fast transients and other voltage spikes and transients. These applications include use in telecommunications, consumer electronics, automotive, medical, and industrial systems.

The device is built on a planar two-terminal structure. It consists of four passivated PN junction diode chips that are connected in cascade. The four diodes create a voltage-limiting network that clamps the overvoltage condition to a safe level, while dissipating the high peak pulse power. This ensures that the circuit components are protected from the overvoltage condition.

The TPC18AHM3/87A has an ESD clamping voltage of 17V. The device also features a low internal capacitance that allows for a high bandwidth for fast ESD and overvoltage protection. This ensures that the device is able to protect circuits against high voltage transients up to its maximum rating without any additional circuitry.

The TPC18AHM3/87A also features low self-inductance which means that it can provide fast response times even in the presence of high peak current transients. This is useful for applications in which quick response times are important. The device also has a low thermal resistance which ensures efficient heat dissipation.

In conclusion, the TPC18AHM3/87A is an advanced TVS device with a wide operating voltage range and superior protection against ESD and other overvoltage conditions. Its low clamping voltage and fast response time make it suitable for a variety of applications. The device is available in a DFN package and has a current rating of 3A. The TPC18AHM3/87A is a highly effective and cost-effective solution for protecting circuit components against overvoltage conditions.

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