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TVS-Diodes

TVS-diodes (transient voltage suppressors) are diodes used in electronic circuits to protect against overvoltage transients. They are commonly found in consumer electronic devices such as computers, cell phones, and other electronic equipment. TVS-diodes are used to protect power and signal lines from high-voltage transients caused by lightning, electro-magnetic interference (EMI), and electrostatic discharge (ESD).

PTVS18VP1UTP,115 application field and working principle

The PTVS18VP1UTP,115 is a unidirectional transorb TVS diode designed to protect against electrical surge. It is rated to operate between -55°C to +150°C and offers a peak pulse power rating of 1.5 kW (10/1000 μs). The PTVS18VP1UTP,115 is suitable for applications that require transient protection from overvoltage transients.

At its core, a TVS diode functions as an avalanche breakdown diode. When a voltage pulse is applied, the energy of the pulse is temporarily stored in the electric field of the junction in a device called a space-charge layer. When this layer of charge reaches its maximum level, a surge breakdown occurs, resulting in a suppressed voltage level. The avalanche energy then dissipates into a resistor connected in parallel with the diode, which is typically called a “shunt-resistor”.

The PTVS18VP1UTP,115 is ideal for use in circuits that require protection from power and/or signal line transients. Typical applications for this diode include automotive systems, industrial & telecom equipment, computer power supplies, high-voltage power products, LED lighting, and consumer electronics.

In summary, the PTVS18VP1UTP,115 unidirectional transorb is an ideal solution for protecting a device from overvoltage transients. It is able to provide fast and reliable protection from high-voltage transients, making it ideal for a wide range of applications. With its wide operating temperature range and low clamping voltage, the PTVS18VP1UTP,115 is an ideal choice for transient protection.

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