SMLJ120A

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The SMLJ120A is a low-cost, high-performance surface-mount from the TVS - Diodes family. It is designed to protect sensitive electronics from electrostatic discharges. It is used in a variety of applications, such as automotive, industrial, consumer electronics, medical, and many more. The SMLJ120A comes in two common current ratings: 120A (unidirectional) and 60A (bidirectional). The device also offers excellent steady-state clamping performance.

The SMLJ120A series of TVS - Diodes offers two different options for protection against transient voltages arising from electrostatic discharges. The first option is an air gap, which provides excellent protection but requires more space to be installed. The second, and more popular, option is the metal oxide varistor (MOV). The MOV variant provides a quick response to ESD strikes and has a lower leakage current than the air gap.

The SMLJ120A series is the latest technology used in TVS - Diodes. It utilizes a proprietary non-linear resistive circuit that automatically clamps to a predetermined voltage, limiting the voltage to an acceptable level. This technology effectively shorts out the high voltage spike, eliminating the energy that could otherwise cause damage to the protected system.

The SMLJ120A is designed to provide a low clamping voltage and an optimized voltage response profile. This ensures efficient protection of sensitive electronics from electrostatic discharges. The SMLJ120A also provides excellent thermal performance, allowing for operation at full current rating in a broad range of ambient temperatures.

The SMLJ120A offers low capacitance for fast response to discharges, and low capacitive loading for minimal signal distortion. It also offers a low forward voltage drop for a better overall efficiency. Additionally, the SMLJ120A provides excellent long-term reliability.

At the heart of the SMLJ120A is its working principle, which is based on energy absorption. When a static charge or electrostatic discharge is applied to the device, a voltage is induced in the gate-coupled varistor. This causes a current to flow and energy is absorbed by the device, thus clamps the voltage.

In summary, the SMLJ120A from the TVS - Diodes family is a high-performance, low-cost surface-mount device designed to protect sensitive electronics from electrostatic discharges. It offers a proprietary non-linear resistive circuit for fast and efficient response, low capacitance for fast response, and low forward voltage for a better overall efficiency. Additionally, it provides excellent thermal performance, allowing it to operate at full current rating in a broad range of ambient temperatures. All in all, the SMLJ120A provides excellent performance for a variety of applications.

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