9401460000

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Varistor is a specific type of semiconductor device that is characterized by an exponential current-voltage curve. It is a two-terminal, three-lead device consisting of a combination of metal oxide layer and silicon. It is used in AC and DC circuits, including switch power supplies, dimmers, loudspeakers, digital to analog converters (DACs), and motor control. Varistors are also known as voltage sensitive or current sensitive devices.

Varistors are typically employed in overvoltage applications to protect both the circuit and the semiconductor device itself from voltage spikes and surges. The idea behind the design of a Varistor is to produce a highly non-linear voltage-current characteristic that can react quickly to transient overvoltage conditions and to reduce the energy at the end of the circuit. Consequently, a Varistor is a valuable device to add into an overvoltage protection circuit.

The 9401460000 Varistor is a high-performance Varistor with excellent voltage and current handling capabilities. It is characterized by an annual voltage rating of 630 volts and current rating up to 8 Amps. The device has a low-frequency cut-off of 150 kHz, thus offering an excellent response to transient requirements. It has a temperature coefficient of -0.8 V/K which makes it suitable for high temperature applications and has a maximum operating temperature of -10℃ to 60℃.

The working principle of the Varistor is quite simple. It consists of a metal oxide film or silicon sandwiched between two metal conductors. When the voltage across the Varistor exceeds the voltage value at which the Varistor is rated, a certain amount of the metal oxide or silicon will get displaced due to the high electric field and electric charges will gather at the ends of the Varistor. This electric field will cause an inverted current-voltage curve and will reduce the amount of voltage that can be applied to the device.

When using the 9401460000 Varistor, there are some considerations that need to be taken into account. It is important to ensure that the Varistor is properly mounted in accordance with its rated operating conditions such as the voltage rating, current rating, temperature coefficient, cut-off frequency, etc. Also, sufficient thermal dissipation should be provided to the Varistor. Lastly, it is important to make sure that the circuit is designed so that the Varistor can respond to the transient conditions in the most appropriate way.

The specific data is subject to PDF, and the above content is for reference