ROV07-241K-S-2

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The ROV07-241K-S-2 is a varistor, also known as a voltage-dependent resistor, that helps protect electronic circuits from voltage surges and electrical transients. This type of varistor is designed for applications that require high peak pulse current capabilities and low maximum clamping voltage. It is also designed to be robust and reliable in harsh environments.

Varistors can be used to protect electronic circuits from voltage surges, and they are especially useful for protecting circuits against lightning surges. When a high-voltage transient passes through the circuit, the varistor will rapidly conduct the transient current and limit the voltage increase on the protected circuit. This helps protect the sensitive components in the circuit from voltage-related damage.

The ROV07-241K-S-2 is a surface-mount varistor with an insulation rating of 250 VDC and a peak pulse current rating of 1400 A for a 10/1000 μs waveform. It is made using a MNS (metal-oxide-nitride-silicon) technology, which makes it robust and suitable for use in high-temperature and high-humidity applications. Its low capacitance and internal current limitation also make it well-suited for use in high-speed signal line protection. The ROV07-241K-S-2 has a nominal working voltage of 241 VDC and a capacitance of 220 pF.

The working principle of the ROV07-241K-S-2 is simple. When a voltage surge or transient is applied to the varistor, it quickly begins to conduct current and causes a rapid increase in voltage across the varistor. This increase in voltage will reduce the voltage across the protected circuit, limiting the voltage stress on the components in the circuit. The varistor is able to do this because of its low on-state resistance and because the decrease in voltage across it causes an increase in current, creating an even greater decrease in voltage.

The ROV07-241K-S-2 is suitable for a wide variety of applications, including those that are rated for up to 400 VDC, such as DC-DC converters, telecommunications equipment, automotive systems, industrial control systems, computer systems, power supplies, and motor control systems. It can also be used for AC-DC power supplies, such as those used in renewable energy systems.

In summary, the ROV07-241K-S-2 is a robust and reliable varistor designed for use in high-temperature and high-humidity environments. It is suitable for a wide range of applications, including those rated for up to 400 VDC. Its low on-state resistance and internal current limitation make it particularly suitable for high-speed signal line protection. When a high-voltage transient passes through the circuit, the varistor will rapidly conduct the transient current and limit the voltage increase on the protected circuit, helping to protect sensitive components from voltage-related damage.

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