ROV07H270K

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TVS - Varistors, MOVs, are mainly used for protecting circuits against voltage surges, transients, overvoltage applications, and electronic circuit protection. ROV07H270K is a TVS of RoHS compliant, halogen-free and RoHS certifed components. This TVS device is designed to protect electrical and electronic equipment from overvoltage and transient voltage operation.

Application Fields of ROV07H270K

ROV07H270K is typically used for Automotive, Personal Electronics, Industrial Automation, Telecommunications, Consumer Misc and Healthcare Protection. This TVS device is designed to protect circuits and sensitive electronic components from electrostatic discharges, voltage surges, and overvoltage that may occur during a power cycle or due to irregularities in power supply

This device is also suitable for applications in the Automotive, Industrial and Power Supply fields where lightning or power-line surge protection is required. This TVS device can also be used for other applications, such as Surge Protection in Power Distribution Units (PDUs), Surge Protection in UPS systems, and Power Cord Protection. ROV07H270K also helps protect equipment from transient voltages generated by electrostatic discharge (ESD), overvoltage and induced transient environmental conditions.

Working Principle of ROV07H270K

ROV07H270K is an active component, and its operation is based on the basic principle of limiting the voltage by providing a low impedance path available for surge currents. It contains two sections: the transient energy absorption section or “clamp” which moves electricity from the main circuit, and also the energy dissipation section which dissipates the remaining stored energy through heat emission. The first section absorbs the excessive energy generated by the surge, and the second dissipates the energy that was not absorbed by the first.

The active component is made of a diode, thermistor, and resistor structure. The diode acts as a ‘crowbar’ which shorts the positive and ground supply lines in the case of a transient. This forces the power source to trip or shut down. The thermistor element of the device converts the surge energy into heat which is safely dissipated by the thermal dissipation element.

ROV07H270K can be used for both line-to-ground and line-to-line applications. It also provides a failsafe against short-circuits and dead-shorts. The device has a built-in current limiting feature for additional protection and is also RoHS compliant.

ROV07H270K is based on the simple principle of providing a low impedance path for surge current to pass. The TVS device is designed to protect sensitive electronic components and circuits from overvoltage and transient voltage operations. Its installation is simple and requires no additional components, making it the ideal protection for applications in the Automotive, Industrial, and Power Supply fields.

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