V385LS10P

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TVS (Transient Voltage Suppressors) devices are used to protect against transient voltage spikes that could damage sensitive circuit components. These devices are typically made of a ceramic and metal layered construction, and when connected to a circuit, they absorb energy from the voltage spike. Varistors, MOVs (Metal Oxide Varistors) and V385LS10Ps are some of the most common types of TVS devices. This article will discuss the working principle and application field of the V385LS10P.

The V385LS10P is an 11 lead surface mount varistor designed as a general purpose transient suppression device, suitable for automotive, industrial and consumer applications. It has a working voltage rating of 185VAC and a peak pulse power rating of 350W. The device consists of two metal oxide layers connected in parallel and separated by a thin ceramic layer. The ceramic layer acts as a dielectric, preventing electrical current from traveling between the two metal oxide layers. The two metal oxide layers have a dissimilar impurity concentration, creating a reverse biased diode. When the transient voltage spike exceeds the clamping voltage of the device, a very small amount of current flows through the device, providing a direct discharge path for the transient energy and thereby preventing the surge current from reaching the unprotected circuit elements.

The V385LS10P operates by clamped voltage in both anode and cathode directions. When the surge energy exceeds the device\'s breakdown voltage, the current flows through the dissimilar impurities in the two metal oxide layers, producing a small voltage across the varistor. This voltage is used to control the surge current that flows through the device, thereby protecting the circuit components. The clamping voltage of the V385LS10P is typically set to 6 to 7 volts, meaning that any transient voltage spike in excess of 6 or 7 volts will be clamped. The clamping voltage can be adjusted to higher values, allowing for more precise protection of the circuit components.

The V385LS10P is suitable for a variety of applications, such as automotive, consumer, and industrial applications. In automotive applications, it can be used in on board diagnostics (OBD), Anti-lock Braking System (ABS), Advanced Driver Assistance Systems (ADAS), and many other applications. In consumer applications, it can be used to protect against transient voltage spikes when connecting to AC power sources. In industrial controls, it can be used to protect against short-term voltage spikes, as well as other EMI interference. It can also be used in wireless applications, such as communication systems and signal conditioning.

TVS devices such as the V385LS10P are designed to protect sensitive electronic components from transient voltage spikes. They do this by providing a direct discharge path for the transient energy, resulting in a limited current flow that protects the circuit components. The V385LS10P can be used in a variety of applications, from automotive to consumer, to provide protection from voltage surges. By understanding the working principle and application field of the V385LS10P, engineers and designers can be sure to provide the best protection for their sensitive circuit elements.

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