ROV20E301K

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TVS - Varistors, MOVs technology has been widely used for protecting circuits and devices for many decades. The Norgren ROV20E301K is a varistor device designed specifically for circuit protection in a wide range of applications. This article will outline the application field and working principle of the ROV20E301K.

The ROV20E301K is a varistor device that provides solid state circuit protection against overvoltage and voltage spikes. This is achieved by an array of metal oxide varistors that can detect and respond to excessive voltage in a circuit. When the voltage in a circuit exceeds the set level, the varistor’s semiconductor junction conducts current flow, which then absorbs and slows the voltage surge. This can help protect sensitive electronic circuits and components from damage.

Due to its ability to absorb transient voltage spikes as well as the wide range of voltages it is capable of handling, the ROV20E301K varistor can be used in a variety of applications. It is well-suited for automotive, industrial, consumer, white goods, and electronic equipment applications. It can be used in a variety of applications such as overvoltage protection for telecom circuit boards, cable TV equipment, voltage regulators, computers, and even lighting systems.

The ROV20E301K varistor features a wide working temperature range of -40°C to +125°C, making it able to operate in a wide range of environments. The device is also relatively small, measuring only 7.5 × 5.7 mm2, making it ideal for space-constrained applications. Additionally, its RoHS compliant, halogen free package makes it a safe choice for sensitive environments.

The ROV20E301K is a non-linear, symmetrical varistor that works by a simple principle. When an external voltage is applied, the varistor conducts current. When the voltage exceeds the rated breakover voltage of the device, it begins to conduct current that is inversely proportional to the voltage. This limits the voltage spike to a safe level before the circuit shuts down. The device will also provide short circuit protection, and the voltage decay will be within certain specified limits.

The ROV20E301K is an effective and reliable choice for electronic overvoltage protection, and is suitable for a wide range of applications. With its relatively small size, wide working temperature range, and halogen-free package, it is an ideal choice for protecting sensitive electronics from overvoltage damage.

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