210VAC - 330VDC 20mm Varistor 20D331K is a high-quality, reliable component designed to protect your electronic circuits from excessive voltage spikes. This robust Varistor is engineered to handle a wide range of voltage fluctuations, making it an essential component in safeguarding your circuitry against transient voltages. With its compact 20mm disc size, the 20D331K varistor efficiently absorbs voltage surges, ensuring the longevity and stability of your electronic devices. Its operational range of 210VAC to 330VDC makes it versatile for various applications, providing peace of mind and superior performance in protecting sensitive equipment.