ROV07H621K

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TVS - Varistors, MOVsVaristors, Metal Oxide Varistors (MOVs) are spark gap devices that are used to provide surge protection for circuits. MOVs are also known as overvoltage protectors (OVPs). MOVs are used in the safety circuitry of many electrical and electronic devices such as computers, power supplies, electronic circuits, and motor control circuits.The ROV07H621K application is a disc-shaped Metal Oxide Varistor (MOV) specially designed for use in automatic protection circuits. It is a varistor designed to protect equipment from overvoltage and over-current damage due to voltage surges and lightning. The device can also protect against ESD events.The MOV has a rated working voltage (V(AC)) of 275V. It is designed to short-circuit any applied excess voltage, withstanding voltages up to 1500V in normal conditions. Its fail-safe shorting capability ensures a high level of protection from transients. The MOV has a nominal capacitance of 8.4pF. It is rated to withstand a continuous repetitive overvoltage of 6kV (8kA) at a working current of 10A.The MOV is designed to provide improved safety and reliability in applications where overvoltage and over-current protection is required. The MOV can reduce the risk of system failure due to dangerous over-current events, minimizing the potential for equipment and data loss.The ROV07H621K has a wide range of applications in single and three-phase systems with switching power supplies and motor control circuits. It is especially suited for protection against high °C pulse repetitive over-voltage and over-current events in circuits such as rectifiers and inverter systems.The device works by reacting to an overvoltage or excessive current by short-circuiting the line to bring the voltage back to a safe level. The MOV is designed to have a high transient energy absorption capacity, withstanding high pulse voltage and current loads in a short duration.The MOV has an operating temperature range of -40°C to +85°C. It is coded to indicate its voltage class and is identification compliant with the IEC standard. Its storage temperature can be up to +150°C. The device is highly reliable and is approved according to the UL94V-0 flammability rating and the UL1316 safety requirements for AC line surge protectors.In summary, the ROV07H621K application field is suitable for circuits that require overvoltage and over-current protection, as well as surge protection from lightning and ESD events. It is a reliable MOV with a wide operating temperature range, compliant with international standards for safety and flammability.

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