V07P420PX2855

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TVS (transient voltage suppressors) or varistors are a broad category of semi-conductor devices typically used to protect against overvoltage conditions. V07P420PX2855 is a metal oxide varistor (MOV), which can provide reliable protection for electronics components such as CPUs, memory cards, and motor control systems from transient voltages.

The V07P420PX2855 metal oxide varistor is a non-polar surface mount device designed for board-protection applications in HVAC (Heating, Ventilation and Air Conditioning), and in communications and industrial electronics, including automotive applications. It is characterized by its high transient voltage suppression capability, low operating voltage, low clamping voltage, low leakage current, low insertion loss, and high surge capabilities. It has a wide operating temperature range from -40 to +85°C and an operating voltage range from 5.1 V to 40 V.

The device consists of two zinc oxide discs with a thin dielectric layer in between. When an external voltage is applied, the discs become temporarily conductive and the voltage is clamped. The device effectively acts as a voltage-limiting element to reduce initial transient voltage peaks or surges. This provides extra protection for the device or the components connected to it. For instance, in HVAC control systems, it can protect components such as CPUs, memory cards, motor drivers, and other sensitive components.

In terms of working principle, the V07P420PX2855 works in a very simple manner. When an electric field is applied to the device, the internal zinc oxide discs form a high resistance which causes the voltage to drop. As the voltage rises, the resistance of the discs drops and the voltage is clamped. This prevents any potentially damaging overvoltage from damaging sensitive components.

The V07P420PX2855 is a highly reliable device which can offer many advantages such as low leakage current, low operating voltage, low clamping voltage, and high surge capability. It can be easily used in variety of applications where protection of sensitive components from transient voltage is required.

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