B72500T110K70

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TVS - Varistors, MOVs are commonly used transient voltage surge suppressor devices. Used to protect electronic circuits from electrical surges or abnormal power conditions, they work by diverting electrical surges to ground or by limiting voltage levels to acceptable levels. B72500T110K70 is a varistor with a low clamping voltage and high temperature resistance for use in industrial, automotive and other applications.In this article, we will discuss the B72500T110K70 application field and working principle.

Application Field

B72500T110K70 can operate in a wide temperature range of -40°C to +110°C. It is suitable for the suppression of electrical transients on motor drives, telecom, energy management, military/aerospace and other industrial applications. The B72500T110K70 also has excellent AC transient corrosion resistance and low leakage current.It is also suitable for use in other applications requiring wide temperature range protection, with circuit designs for 10KV transients, lightning protection or other over-voltage conditions. The B72500T110K70 can also be used for protection of power supplies, motor drives, DC/DC converters, telecommunications systems, computers and process control instruments.

Working Principle

The B72500T110K70 is a metal oxide varistor that works on the principle of the voltage-dependent resistance. When a voltage exceeding the rated voltage is applied to the varistor, it exhibits a low resistance, allowing the current to flow and diverting the surge to ground.The varistor has a voltage coefficient of V2/V1 - the ratio of the voltage across the device at two different levels of current. This ratio causes the varistor to conduct in response to the excess voltage, creating a low impedance path to ground.When the voltage is below the rated voltage, the varistor is an open circuit and does not conduct. This makes the varistor ideal for applications where it is necessary to protect against short-term high voltages, such as lightning strikes or other transients.

Conclusion

In conclusion, the B72500T110K70 is a metal oxide varistor designed for operation in a wide range of temperatures from -40°C to +110°C. Its low clamping voltage and high temperature resistance make it suitable for industrial, automotive and other applications. The B72500T110K70 also has excellent AC transient corrosion resistance and low leakage current. Its voltage-dependent resistance ensures that surge is diverted to ground and excess voltages are limited to acceptable levels.

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