TPC24AHM3/87A

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TVS - Diodes are devices which are used to protect high speed electronic circuits from voltage transient or electrical surge. They are also known as Transient Voltage Suppressors (TVS), Transil Diodes or Suppressor Diodes. The TPC24AHM3/87A is a surge protection device that functions as a two-way non-directional TVS diode. It is a single chip version of a Transil diode with an integrated overvoltage protection (OVP) circuit.

TPC24AHM3/87A Application Field

The TPC24AHM3/87A is used for protecting high-speed digital networks from electrical surges caused by lightning strikes and ESD (electrostatic discharge) events. It is often used in outdoor equipment subject to electric field activity. It can be used in telephone and computer networks, such as in Coaxial cables, LAN (Local Area Network) cables, modem and other communications applications. Additionally, it is used for protecting sensitive electronic audio/video equipment from overvoltage on signals arriving from the outside world.

TPC24AHM3/87A Working Principles

The TPC24AHM3/87A is an integrated circuit, which is made up of two diodes connected together with a common anode and an NPN transistor mounted between the two diodes. The two diodes are configured in a back-to-back arrangement and the transistor acts as a switch to provide the protection against overvoltage. The device operates by clamping the voltage to the maximum rating of the diode junction (V), thus preventing the peak voltage to exceed this rating. The TPC24AHM3/87A also has an OVP circuit which will shut off the device if the maximum rated voltage is exceeded.

The TPC24AHM3/87A is designed to protect high speed digital communications equipment from electrical surges and ESD. It is commonly used in outdoor applications, such as for Coaxial cables and LAN cables. It can also be used for protecting audio/video equipment from overvoltage on signals from the outside world. The protection provided by the TPC24AHM3/87A is created by the two-way non-directional TVS diode which clamps the voltage to the diode junction (V). Additionally, the OVP circuit provides additional protection if the voltage exceeds the maximum rating.

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