VTVS28ASMF-HM3-18

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TVS diodes are a form of solid state surge protection technology designed to absorb or divert incoming electrical energy within the limits of the device to protect expensive system components from damage due to transient voltages and currents. The VTVS28ASMF-HM3-18 is an example of a unidirectional TVS diode, particularly applicable for circuit protection in automotive systems. This diode offers clamping voltage of 28V and carries peak pulse power dissipation of 1150W for 8/20µs with 10 pulses. This device is available in the DO-214AA package with 10 leads.

The VTVS28ASMF-HM3-18 is designed to respond quickly to a transient event that exceeds its clamping voltage to protect automotive systems from voltage- and current-related surges. This TVS diode is able to temporarily absorb potentially damaging energy spikes so that system components and the circuits they make up can remain operational.

In terms of application, this TVS diode offers an excellent level of surge protection to protect critical electronics such as microcontrollers, integrated circuits, electronic sensors and other system components in DC-Powered circuits. It is also an ideal low-cost solution for applications which have an intermittent low-current, low-voltage environment. Common applications include automotive systems, Bluetooth and Wi-Fi modules, audio systems, camera systems and other electrical systems.

The VTVS28ASMF-HM3-18 operates on the principle of a zener diode in avalanche breakdown mode. When the reverse voltage on the anode exceeds 28V, the device enters breakdown and the electrical energy is dissipated as heat according to the P = I2 * R equation. As the transient voltage exceeds the clamping voltage of the diode, the device begins to conduct electricity and the current becomes linear and limited. At the same time, the energy is dissipated as heat in the protection diode. This process of clamping and dissipating protects the downstream components from damage.

In summary, the VTVS28ASMF-HM3-18 is a unidirectional TVS diode that offers an excellent level of surge protection against transient voltages and currents to protect automotive systems and other electrical systems from voltage- and current-related surges. It operates on the principle of a zener diode in avalanche breakdown mode and is able to temporarily absorb potentially damaging energy spikes so that system components remain operational. This diode offers a clamping voltage of 28V and carries peak pulse power dissipation of 1150W for 8/20µs with 10 pulses, and is available in the DO-214AA package with 10 leads.

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