VDRS10P150TLE

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Transient voltage suppressors (TVSs) and transient voltage suppressors (MOVs) are widely used in power electronic systems when overvoltage protection is needed. Varistors (VDRs) are components used to absorb energy and protect circuits from transients and overvoltages. They are a form of resistor that works in a non-linear way and can be seen as a form of voltage dependent resistor (VDR). The VDR10P150TLE varistor is one such component that is widely used to provide protection in consumer, automotive and industrial applications.

A VDR is a non-linear element, which typically shows a dice-shaped IV characteristic curve. Its main advantage over a linear resistor or a varistor is that it has a voltagethreshold. When the voltage across the VDR is higher than the threshold, it limits the amount of current flowing through it. For this reason, it can be compared to a switch in a circuit: when the voltage is above the threshold, the switch is closed, and when the voltage is below the threshold, the switch is open. This has the effect of protecting components in the circuit from being subjected to higher than expected voltage, without the need for a human operator to manually switch the switch.

The VDR10P150TLE is a varistor that falls in the D10 series, which generally range from 15V AC peak to 1kV AC peak. This VDR is a singlelayer, non-magnetic type, which means that it can absorb energy and protect circuits from transients and overvoltages, without affecting the magnetic field. It is designed to meet industry standard UL497B, and is rated for a maximum transient response time of 1.5ms, allowing it to protect sensitive systems from overvoltage in a relatively short amount of time. This varistor also offers a maximum continuous current of 2.2 Amps, and an overload current of 100V/μs.

The typical application fields for the VDR10P150TLE include portable electronics, consumer electronics, automotive electronics, industrial electronics, power supplies, electrical control systems, and communications systems. The components found in these systems require protection from transient voltages, and the VDR10P150TLE provides this protection by absorbing energy and limiting the current. It is also used in LED lighting systems, where the voltage threshold helps to ensure the correct amount of current is sent into the LEDs, and that any potential fluctuations are limited before they can cause damage.

The working principle of the VDR10P150TLE is relatively simple. When the voltage across the VDR exceeds the threshold voltage, it acts as a shunt and limits the current to a safe level. The varistor can absorb the energy from the transient, limiting its effect on the device or circuit, and ensuring that it is not damaged by the overvoltage. It also has a low impedance when the voltage is below the threshold, meaning it does not interfere with normal circuit operation.

In summary, the VDR10P150TLE is a varistor that primarily serves as an overvoltage protection device for power electronic systems. It has a voltage threshold, which helps it limit current when an overvoltage is present, and offers a high current capacity for transient protection. It is used in many industries, from consumer electronics and automotive to industrial and communications systems, and its working principle is simple and effective.

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