ROV07-271K-S

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TVS - Varistors, MOVs are forms of transient voltage surge suppressors, which are designed to protect circuit and equipment from transient voltage surge transients such as lightning and machinery switching. They act as a localised short-tem surge protection device by quickly responding to undefined, voltage-based transient events and dissipates the transient energy. This is important in many applications, including USB power protection, AC power line protection, industrial controller protection, telecom applications, appliance protection and many more.

ROV07-271K-S is a radial leaded varistor based on metal oxide technology developed by Semtech Corporation. It is designed and tested in accordance with IEC 61966-2-2, providing overvoltage protection up to 8 kV combined impulse. It is suitable for protecting phones, AC adapters, handheld PCs, sideband modems, network and telecom applications, broadband modems, DSL modems and set top boxes.

The working principle of ROV07-271K-S is focused on its varistor effect, which makes it possible for the device to reduce the incoming transient voltage surge to an acceptable safe level. Upon receiving the transient, the metal oxide varistor (MOV) absorbs and dissi-pates the surge energy, allowing the current to safely flow through the varistor diode. In doing so, it prevents further disruption to the circuitry.

ROV07-271K-S is highly effective in limiting overvoltage transients and protecting connected equipment with its wide operating temperature range -25°C to +85°C and low capacitance at 770 pF. Its low capacitance ensures that the transient response for high frequency noise is adequate. The device is also designed to meet IEC standards and is available in different versions from 5 to 22mm in diameter with typical clamping voltages ranging from 6 to 17V. This makes it suitable for any application where transient voltage must be reduced and noise must be filtered.

Moreover, ROV07-271K-S is also designed to be moisture tolerant and vibration resistant, ensuring long-term reliability. To further increase the reliability, a special epoxy coated version is also available. All of these features make ROV07-271K-S a reliable and efficient solution for overvoltage transient protection.

In summary, ROV07-271K-S is a radial leaded varistor that provides superior protection from transient voltage surge transients. Its varistor effect and wide temperature range make it suitable for any application where transient voltage must be reduced and noise must be filtered, while its low capacitance ensures adequate transient response. Its high moisture tolerance and vibration resistance further make it a reliable choice for many transient voltage surge applications.

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