V575SM7

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The V575SM7 device is a kind of silicon based multilayer varistor (MLV), also known as a Transient Voltage Suppressor (TVS). It is mainly used as a protection element for systems that are powered by single-phase AC power. The device has been designed to protect equipment from high voltage transients, which can cause damage or power loss.

The varistor works by providing a low resistance path for current. It works by sensing the voltage across its terminals and when the voltage reaches a level that is greater than its threshold voltage (TV), the device is triggered and conducts current. As it conducts current, the voltage across its terminals decreases until it reaches a low enough level for the device to return to its original non-conducting state. This process is known as “clamping” and it provides the protection against high voltage transients.

In applications where AC power is used, the device can be used in series with the power source to protect the system from damage caused by transient overvoltage. The varistor works by sensing the voltage across its terminals and when the voltage reaches a level that is greater than its TV, the device is triggered and conducts current, reducing the voltage across the varistor and the equipment being protected. This process is known as “clamping” and it provides an effective protection against high voltage transients.

The V575SM7 device is suitable for AC power systems with voltages up to 1050V. The device has an operating capacitance range of 240 pF to 510 pF and a maximum capacitance of 860 pF. The device features a symmetric clamping voltage at 833V and a typical symmetric clamping time of 1.2 μs.

The device is highly efficient and provides good protection against high voltage transients. The maximum peak pulse current for the device is 50.4A peak (8/20 μs) and the thermal resistance is 4.05°C/W. The device is capable of operating at temperatures ranging from -55°C to +85°C.

The V575SM7 device is ideal for protecting digital circuits, power supplies, and AC power systems from transient overvoltages. It is an excellent choice for protecting sensitive equipment from transients caused by lightning, voltage spikes, or electrostatic discharge (ESD). The device is easy to install and requires no external components. It is RoHS compliant and UL recognized.

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