TPC18AHM3/86A

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TVS (Transient Voltage Suppressor) diodes are an important part of current electrical systems due to their ability to protect sensitive components from overvoltage surges. The TPC18AHM3/86A is a two-channel TVS Diode array featuring advanced overvoltage protection combined with very low operating and dynamic capacitance. This device offers excellent protection against surges, transients, and ESD in automotive, industrial, and consumer applications.

The TPC18AHM3/86A is an ideal device for applications requiring high reliability and robustness without compromising performance. It features 1500 W peak pulse power per channel and 9.5 V peak working voltage on each channel. The device is available in the conventional SOT-23 package as well as in the space-saving QFN package. The TVS Diode array also offers low leakage current, low capacitance for high speed applications, and excellent ESD protection with up to 40 kV contact discharge per channel.

The working principle of the TPC18AHM3/86A is fairly simple. It consists of two TVS diodes connected in series. When an overvoltage surge, transient, or ESD occurs, the TVS diode "triggers" and clamps the voltage. This limits the surge energy reaching sensitive components, protecting circuits by rapidly reducing the voltage to an acceptable level. The TPC18AHM3/86A is also equipped with a thermal shutdown mechanism that automatically disables the device if the temperature exceeds a predetermined level.

The TPC18AHM3/86A is suitable for a wide range of applications including USB interfaces, automotive systems, high speed automotive protocols, consumer systems like HDMI, and industrial systems such as Ethernet and CAN-bus. The device is designed to provide surge protection for sensitive circuits and to help ensure the robustness of the system. With its 1500-W pulse power rating, wide operating range, and low capacitance, the TPC18AHM3/86A is an excellent choice for protecting sensitive components from overvoltage surges and transients.

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