1SMB160AT3

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TVS (transient voltage suppressor) diodes are a type of semiconductor component whose main use is to protect sensitive electronic components from voltage spikes. They are designed to clamp the voltage to a safe level, stopping the voltage from exceeding a potentially damaging level. The 1SMB160AT3 is a unidirectional diode assembled in a DO-214AB package which offers high surge capacity. It is designed to protect sensitive electronic components from voltage spikes on the order of over-voltage, load dump, inductive and lighting transients that could cause permanent damage to a device.

The 1SMB160AT3 is widely used in automotive applications, such as protection of ECU’s, in telecom applications, such including protection of NIC interfaces, battery packs, and other power supplies, as well as in industrial applications. It is also used to protect sensitive circuit elements from static electricity.

The 1SMB160AT3 capacitor has a breakdown voltage of 160 Volts and an operating temperature range of -55°C to +150°C. It is made with a glass passivated junction for superior reliability and has a peak pulse current of 600A. It also has a minimum pulse width of 8.4 μsec and a standard recovery time of 13 µsec for its fast response to transient pulses.

The 1SMB160AT3 works by utilizing the avalanche, or ‘Zener’ effect, to suppress a voltage surge. When a voltage higher than the breakdown voltage is applied, the structure initiates a rapid and localized change. This causes the electrons in the diode to rush away from the p-n junction, resulting in a breakdown voltage that is clamped to a safe level.

As well as clamping voltage surges, the 1SMB160AT3 diode also dissipates the energy as heat, ensuring that the voltage remains at a safe level and that the surge current is dissipated quickly enough to ensure the protection of sensitive circuits. When the surge has passed, the diode resets and is ready for another surge.

In conclusion, the 1SMB160AT3 diode is a versatile device that is suitable for a range of applications requiring protection from voltage surges and transient pulses. It is widely employed in a range of industries, including automotive, telecom, and industrial uses. Its design enables it to clamp voltage to a safe level, while also dissipating energy as heat.

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