ROV07H361K-S-2

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TVS (Transient Voltage Suppressor) devices, including Varistors, MOVs (Metal Oxide Varistors) and ROVs (Radial Lead Overvoltage Varistors), are widely used in the field of power electronics. ROV07H361K–S–2 is a type of ROV with a surge current rating of 1kA (8/20 μs) designed to protect sensitive electronic systems. It has been widely used in power supplies, communication equipment, and automotive applications for protecting circuits from overvoltages caused by lightning strikes or other instantaneous power surges.

The ROV07H361K–S–2 works by diverting transient currents away from sensitive components and protecting them against permanent damage. It is designed to clamp the overvoltage quickly and effectively, while absorbing its energy and dissipating it harmlessly. The ROV07H361K–S–2 is particularly suitable for protection of semiconductor devices such as IGBTs, SCRs, MOSFETs, and other low voltage analog or digital circuits that require transient protection. The ROV07H361K–S–2 also offers excellent clamping capability during multiple pile-up of surges.

The ROV07H361K–S–2 is a leadless radial-leaded device with a meter disc ceramic substrate. Its radial lead electrodes are copper and have a diameter of 1.6 mm. It also has an anode electrode, a cathode internal electrode, and an external aluminum anode cover plate. The ROV07H361K–S–2 is rated for 500 VDC with a peak pulse current rating of 1kA (8/20 μs). It also has a capacitance of 2.2 pF between the anode and the cathode.

The ROV07H361K–S–2 works by conducting the transient voltage away from any sensitive circuitry connected to it. Upon detection of a transient surge, the ROV07H361K–S–2 quickly switches from high impedance to low impedance, thereby reducing the overvoltage across the protected circuit. As the overvoltage is reduced, the device dissipates the excess energy as heat. This helps to protect sensitive components such as IGBTs, MOSFETs, and other logic devices from permanent damage.

The unique construction of the ROV07H361K–S–2 makes it particularly suitable for use in high temperature applications. Its low-ESR ceramic disc substrate allows for superior transfer of current, while its aluminum anode cover plate helps to dissipate heat more effectively. This combination of features helps to ensure reliable operation in high ambient temperatures. Additionally, the radial lead electrodes provide a thermal path from the internal of the device to the outside case, helping to further reduce surface temperatures.

In summary, the ROV07H361K–S–2 is a highly reliable radial-lead overvoltage varistor suitable for use in numerous power electronics applications. Its design helps to quickly and effectively divert transient voltage away from sensitive circuit components, while its construction helps to dissipate heat efficiently. As such, it is ideal for protecting IGBTs, SCRs, and MOSFETs from overvoltage and other transient events.

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