V150LT20BPX2855

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TVS - Varistors, MOVs are widely used electrical components known for their ability to protect sensitive electronics from destructive transients and surges. The V150LT20BPX2855 is a transient voltage suppression (TVS) diode often used for over-voltage protection. It has a radial leaded configuration and is rated up to 20A pulse and 10A continuous. Its breakdown voltage is 150 volts (V (BR) 150) and its peak pulse power dissipation is 1.3kW.

The V150LT20BPX2855 application field consists of various automotive, industrial and consumer electronics applications. Automotively, it can be used to protect electronics from up to 150 volts per event such as engine transients. In the industrial field, it can be used in power systems to protect against high-voltage transients. In consumer electronics, it can be used to provide surge protection for AC to DC, DC to AC converters. As a general function, TVS diodes are ideal for protecting circuitry from voltage spikes which can be caused by inductive loads switching, lightning strikes, high-energy pulses, or other potentially threatening voltage-based disturbances.

The working principle of the V150LT20BPX2855 device is relatively straightforward. It features a Zener-diode-like structure, with the voltage breakdown specified at 150 volts (V (BR) 150). When the applied voltage across the V150LT20BPX2855 reaches this critical breakdown point, the structure "clamps" the voltage to this level, allowing the current to pass through the device and not entering the downstream circuit. This makes the V150LT20BPX2855 especially beneficial for applications exposed to a higher voltage DC transients, surges, and spikes.

In parallel with the structure of the V150LT20BPX2855 discussed above, the device is also commonly used as a crowbar circuit due to its capabilities of completely absorbing all higher voltage transients. The crowbar circuit, in this case, provides protection for logic circuits by cluing when the voltage is exceeded. The junction between the drain and gate of the device are normally shorted with a low-value resistor to initiate crowbar operation. Under normal operating conditions, the input voltage would not reach the breakdown voltage, allowing current to pass through the resistor and gate, initiating the cluing action.

The V150LT20BPX2855 device is incredibly versatile due to its many applications, small size, low cost, and low power dissipation. The device is also rated up to 20A of pulse current, making it ideal for high-current devices. With its high peak pulse power dissipation rating, the V150LT20BPX2855 is equipped for high-energy applications. In summary, the V150LT20BPX2855 is an excellent choice for protecting sensitive electronics from destructive transients and surges, and is often used in automotive, industrial, and consumer electronics applications.

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