15KPA200A-B

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TVS (Transient Voltage Suppression) diodes, also known as transorbs, are unidirectional solid-state devices that are designed to protect electronic equipment against damaging voltage transients caused by electrostatic discharge (ESD). The 15KPA200A-B is a type of transient voltage suppression diode specifically designed by Littelfuse for unidirectional ESD protection applications. It is a 200 Volts rated, 400 Watts rated diode suitable for use in automotive, DC/DC converters, and industrial power supplies.

The transient voltage suppression diode is an electronic component with a single PN junction and two weather-resistant terminals. It works by rapidly and precisely switching off when triggered by an overvoltage, electrostatic discharge, or electrical surge, thus not allowing the energy to pass through and damage the connected equipment.

The 15KPA200A-B is a low capacitance TVS diode with a low turn-on breakdown voltage of ±14.5 volts. It is a three-terminal device, where one expects to get good clamping and circuit protection with a minimum of external components. The small package also makes it suitable for a variety of space confined applications. The three terminals are anode, anode junction, and cathode, which are distinguished from each other by their polarities(+ and -). The anode junction (AJ) is connected to the anode and this junction has a positive temperature coefficient, which helps in increasing the voltage with temperature rise.

In operation, the 15KPA200A-B diode works by dissipating energy away from sensitive components when a voltage transient is applied. It also provides ESD protection between the 20V to 200V power range, while remaining capable of handling large energy spikes up to 400 watts. It is important to note that the device should only be used in unidirectional applications to protect against overvoltage, electrostatic discharge, and switching transients that are over 200V.

The transient voltage suppression diode can be used in a variety of applications including protection for automotive circuits, protection of digital systems, protection of desktop computers, laptops, tablet PCs, and mobile phones from transient power surges or ESD, as well as in DC/DC converters, industrial power supplies, and telecom markets.

Generally, TVS diodes the 15KPA200A-B have a very fast response time that typically ranges between one to six nanoseconds (1-6ns). This helps protect the equipment from damaging transients before they can have an effect. The fast response can help protect systems from transients that may be as short as 200ps, making it beneficial in cases where lightning surges, high inrush current, and static discharge are present.

In conclusion, the 15KPA200A-B transient voltage suppression diode is an important electronic component designed for unidirectional ESD protection applications with numerous benefits and advantages. It is a reliable device capable of handling large voltage transients, energy spikes, and ESD, while remaining small enough for space confined applications. Furthermore, it has a fast response time, which helps protect the connected equipment from any kind of damage caused by sudden voltage transients.

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