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The varistors produced by our factory have passed UL certification ！

UL is the abbreviation of Underwriter Laboratories Inc. UL Safety Testing Institute is the most authoritative in the United States and the largest non-governmental organization engaged in safety testing and appraisal in the world. It is an independent, not-for-profit, professional organization that ...

June 11, 2023
Thermistors can also be used as electronic circuit components for instrument line temperature compensation and thermocouple cold end temperature compensation.

Thermistors can also be used as electronic circuit components for instrument line temperature compensation and thermocouple cold end temperature compensation. Using the self-heating characteristic of NTC thermistor, automatic gain control can be realized, and the RC oscillator amplitude stabilizatio...

March 15, 2023
What are transient overvoltages?

What are transient overvoltages? Transient overvoltages are defined as short duration surges of electricity which occur due to the sudden release of energy previously-stored or induced by other means. Transient overvoltages can be either naturally occurring or man-made.

February 8, 2023
Selection of surge protective device (SPD)

Surge Protective Devices (SPD) are used to protect the electrical installation, which consists of the consumer unit, wiring and accessories, from electrical power surges known as transient overvoltages. They are also used to protect sensitive electronic equipment connected to the installation, such ...

February 7, 2023
surge protection device SPD

The most original lightning arrester is the claw gap, which appeared at the end of the 19th century. It is used for overhead transmission lines to prevent lightning damage to equipment insulation and power failure, so it is called "lightning arrester". In the 1920s, aluminum lightning arrester, ...

February 6, 2023
What are NTC Thermistors?

What are NTC Thermistors? NTC stands for "Negative Temperature Coefficient". NTC thermistors are resistors with a negative temperature coefficient, which means that the resistance decreases with increasing temperature. They are primarily used as resistive temperature sensors and current-limiting ...

February 3, 2023

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