TPSMA12HE3/61T

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Introduction to TVS Diodes

Transient Voltage Suppressors (TVS Diodes) are semiconductor protection components that are used to protect sensitive elements like ICs, connectors, and LEDs from receiving excessive transients that could cause damage to the components. TVS diodes protect against electrical transients such as electrostatic discharge (ESD), electrical fast transients (EFTs), and lightning impulses. TVS diodes act as a clamping device that instantly reduce the voltage overshoot to a safe value.

TPSMA12HE3/61T Application Field and Working Principle

TPSMA12HE3/61T is a Transient Voltage Suppressor (TVS) diode with high ESD tolerance and fast response time. It is an excellent choice for protecting equipment against damaging transient surge voltages. It also provides an effective level of protection against electrical fast transients (EFTs), electrostatic discharge (ESD), and lightning induced surges. The diode has an operating temperature range of -55 to +125°C. The TPSMA12HE3/61T can be used in a number of applications such as mobile phones, automotive, computers, LCD monitors, and home appliances.

The TPSMA12HE3/61T employs a clamping action during surge events to ensure that the output voltage does not exceed a predetermined value. When transients or surges are above the breakdown level of the diode, the diode begins to conduct. It then effectively reduces the overshoot voltage (clamping voltage) to minimize any damage to the system. The diode also controls the amount of current that flows by limiting it to a safe level. Once the surge passes, the diode returns to its original state.

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