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TVS - Diodes

Transient Voltage Suppressor (TVS) diodes are semiconductor devices, also known as spark gap or spike suppressors, that are designed to protect electronic circuits from voltage transients, also known as sudden surges or spikes of high voltages. The TVS diode is an important form of over-voltage protection for circuits that use sensitive components that can be damaged by spikes or transients that exceed their specified voltage levels, such as voltage monitors, clocks, and analog-to-digital converters.

MART100KP250A Application Field and Working Principle

MART100KP250A is an integrated transient voltage suppression (TVS) diode with auxiliary protection functions, designed specifically to protect sensitive electronic components against transient overvoltages. It is constructed from two back-to-back avalanche diode structures. The suppression component is connected in parallel with a pair of low reverse leakage current diodes to provide added protection for sensitive circuit components, such as power SUPPLY rectifiers.

The MART100KP250A has a working voltage range up to 250V, and can withstand transients of up to 10000 watts. This makes it suitable for use in a wide range of applications, including power supply rectifier circuits, microprocessor circuits, clock circuits, digital to analog converters, and high-speed circuits. It is also well suited to applications where high test voltage is required.

The working principle of MART100KP250A is that, during normal operating conditions, the diode acts as an isolated diode, only allowing current to flow through it in one direction. When a transient voltage surge or spike is detected, the diode responds to it by allowing current to flow in both directions. This response serves to absorb the energy of the transient, thereby preventing damage to the sensitive electronic components in the circuit.

In addition to preventing damage to sensitive electronics, the use of TVS diodes also provides a low forward voltage drop, which results in reduced power consumption. It also has the ability to dissipate large amounts of energy during transient events, and can react very quickly to transients, making them ideal for applications that require fast response times.

MART100KP250A can be used in a variety of applications, including automotive, industrial, medical, and consumer electronics products. The diode is available in a range of packages, allowing for ease of mounting and use in a variety of circuits. Additionally, the diode is very reliable and has a long service life, making it well suited for long-term applications.

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