SA75CAHE3/54 Circuit Protection

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TVS - Diodes are used to protect a circuit from an overvoltage or transcient voltage surge. These are typically used in high or low voltage applications. The SA75CAHE3/54 is an advanced TVS-diode designed specifically for overvoltage protection in electronic circuits, particularly those in telecommunications systems.

The SA75CAHE3/54 is a Transil® technology-enabled device that provides extremely high protection against transient overvoltage. Its housing is made of flame retardant UL94V-0, suitable for mains voltage applications. It is also equipped with an internal Thermal Fuse operation of 171℃/+-10℃. The device is lead and halogen-free and RoHS compliant, making it an ideal option for power supply and peripheral protection applications.

The SA75CAHE3/54 is designed for use in high or low voltage circuits. It is rated for a voltage breakdown of 77V across a typical TVS diode package. Additionally, the SA75CAHE3/54 is capable of handling an overvoltage of up to 400V, making it suitable for protection of sensitive circuitry. The protection feature of the device is ensured by a novel monolithic-integrated thermally-controlled avalanche diode, which prevents overvoltage from damaging the circuit components.

The working principle of SA75CAHE3/54 is based on thermal runaway protection technology. The device features an internal structural thermal fuse, capable of responding to an overcurrent condition. The fuse is thermally self-stabilized and is activated when the current climbs higher than the threshold value. When this happens, the device dissipates the energy by clamping the overvoltage quickly to reduce the risk of system damage.

The SA75CAHE3/54 has a wide variety of application fields, including Telecom, Security, Automotive, IT/Data networks, Power supplies, and Telecommunications equipment. The device is suitable for a working temperature range from -40°C to +85°C, and can be used in various complex electrical environments with extended voltage ranges.

The SA75CAHE3/54 is a versatile, high-quality TVS-diode designed to protect sensitive electrical components from transient overvoltage. It combines exceptionally low clamping voltage and high transient performance in order to safeguard circuits from voltage surges. Its superior thermal protection technology ensures a safe and reliable operating environment. The SA75CAHE3/54 is an effective solution for protecting sensitive circuitry at high or low voltages.

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