V20E150PL1T

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TVS (Transient Voltage Suppressor) devices such as varistors, MOVs (Metal-Oxide Varistors), and other transient suppression devices are used to protect sensitive electronic systems from high-voltage swings. The V20E150PL1T is a TVS device specifically designed to protect equipment from transients, making it the ideal solution for industrial, consumer and automotive applications. This article will discuss the application field and working principle of the V20E150PL1T.

The V20E150PL1T is specifically designed for automotive and heavy industrial applications, offering excellent protection from voltage transients. The design of the device supports a wide operating temperature range, from -40 to 110°C, and a low leakage current, reducing the need for frequent replacement. Additionally, its high peak current rating ensures reliable performance, even in extreme conditions. The device features an on-state resistance of 1.3mOhm-cm2, ensuring low on-state power losses. It is also capable of withstanding high inrush currents, making it well-suited to applications such as automotive engine starting.

The V20E150PL1T operates on the principle of thermal sensing. Its circular design features a negative temperature coefficient lead (NTC) in the center, surrounded by four symmetrical zones of metal-oxide varistors (MOV). When voltage rises above the device\'s threshold voltage (Vbr) value, the NTC responds to the increased heat and creates a thermally amplified voltage drop across its terminals, allowing transient energy to dissipate without reaching sensitive components. The NTC also initiates a rapid voltage decay to its normal state, preventing the possibility of after-effects. In addition, the metal-oxide varistors add further protection in the form of a clamping action against over-voltage changes. In the event of a long lasting high voltage, the NTC automatically adjusts its threshold voltage and the device returns to its normal state.

The V20E150PL1T is capable of withstanding high energy transients, making it suitable for use in a variety of applications. These include photovoltaic systems, lighting and audio systems, home appliances, communication systems, and many other consumer electronics and automotive systems. The device is particularly well-suited to automotive engine starting, as it is capable of withstanding high inrush currents. Additionally, its on-state resistance of 1.3mOhm-cm2 ensures low power losses.

The V20E150PL1T is an excellent transient voltage suppressor designed specifically for automotive and heavy industrial applications. Its unique design features an NTC in the center, surrounded by four symmetrical zones of metal-oxide varistors, offering maximum protection against voltage transients. The low on-state resistance of the device ensures low power losses, while its ability to withstand high inrush current makes it well-suited to engine starting applications. The device is suitable for use in a variety of applications, ranging from photovoltaic systems to consumer and automotive electronics.

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