ROV05H511K-2

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Varistors and MOVs are very important components in the field of surge protection.When there is an over-surge current, they will automatically clamp the voltage to a tolerable level, which limits the current flowing into the rest of the circuit and reduces the eventual damage. The ROV05H511K-2 varistor is a typical MOV device.

ROV05H511K-2 Application Field

ROV05H511K-2 is a good choice for protecting low voltage lines against ESD and lightning surges. It can withstand surges of up to 110V AC or 175V DC. It is ideal for both AC and DC line protection. ROV05H511K-2 is also used for protecting outputs from a low voltage regulator or power supply. It is designed specifically for datasheet applications that require both instantaneous and long-duration protection.

ROV05H511K-2 Working principle

The ROV05H511K-2 is a nonlinear resistive device that offers temperature independent voltage protection. It is composed of a zener diode and a special metal oxide layer that provides the device with a range of variable resistances. The zener diode has a breakdown voltage of 11V and a low operating voltage of 0.2V. When over-surge voltages approach 11V, the special metal oxide resistor begins to resist it, thereby limiting the over-surge current and providing protection to the equipment.

The ROV05H511K-2 also has a built in temperature compensation mechanism. The temperature coefficient is 0.2~0.3% per °C, which means that the device can maintain its specified operating voltage over a wide temperature range, from -40°C to +125°C. This makes it suitable for use in a wide range of applications.

Compared to other kinds of MOV, the ROV05H511K-2 has a longer life time, as it can withstand up to 5000 surge events. It also has high surge current levels and is rated for up to 5kA. Additionally, it has a voltage protection level of 11V, and it is UL approved, which makes it an ideal choice for a variety of applications.

In summary, the ROV05H511K-2 varistor is a reliable device that can be used for a variety of applications. It is capable of providing excellent protection against over-surge conditions, as well as temperature fluctuations. Its high surge current levels and UL approval make it an ideal choice for a variety of applications.

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