VE09M00480K-- Circuit Protection

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The VE09M00480K is a Varistor, or Voltage Dependent Resistor (VDR), manufactured by VARICON-TECH. It is a non-linear, multilayer ceramic device designed to protect sensitive electronic components from electrical overstress and transients caused by lightning, electrostatic discharge, and overvoltage conditions. This VDR is designed for direct AC/DC circuit protection in a wide variety of general industrial and consumer applications, including telecommunications, computers, automotive, and appliances.

The VE09M00480K has a Max. Voltage of 400 VDC and a DC Clamping Voltage of 930 V. It measures 9 mm in diameter and has a height of 48 mm, with an operating temperature range of -40°C to +85°C. It has an Insulation Resistance of 5000 M Ω or greater at 500 VDC test voltage, and a High Surge Current of 2.5KA (5/10 µs).

The Varistor is a non-linear, semiconductor component that uses the principle of adjustable current-voltage characteristics to protect sensitive components from overvoltage and transients. Varistors are meant to limit the amount of current that flows through the circuit, stabilizing it to a predetermined level. This overcurrent protection prevents any further damage to the circuit, such as semiconductors being destroyed due to excessive voltage.

When voltage is applied to the device, a voltage-controlled resistance is created. This resistance is proportional to the applied voltage, and acts like a physical barrier to prevent any further voltage leakage. The current leakage is kept within its normal range, thus protecting the circuit from further harm. The Varistor may also be used to divert harmful frequencies away from the circuit, preventing any interference that could harm its performance.

The Varistor\'s nonlinear characteristics make it an ideal protective device for AC/DC, DC/DC, and AC/AC applications. The device is designed to adsorb voltage spikes from static electricity, power cross or surge or lightning pulses when Series connection is used by redirecting overload or noise current to ground. It can also provide a stable DC voltage with its built-in electrochemical components, thus providing power supply stability.

The VE09M00480K has a wide array of protection capabilities as it can be used to provide protection against heat, overcurrent, overvoltage, and noise in industrial, consumer, medical, and automotive applications. It is good for both AC and DC use, and has a low capacitance for AC applications. The device can handle up to 2.5KA of high surge current and has a low dissipation factor for use in higher frequency applications. It is also RoHS compliant, making it a great choice for projects.

In conclusion, the VE09M00480K is a high quality Varistor that is suitable for a wide variety of applications. Its robust construction and advanced protection capabilities make it ideal for industrial, consumer, medical, and automotive applications. This Varistor\'s nonlinear characteristics, high surge current, and low dissipation factor make it a great choice for projects requiring reliable circuit protection.

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