550VAC - 910VDC 20mm Varistor 20D911K is a highly reliable component designed to protect sensitive electronic systems from voltage spikes and surges. This Varistor boasts a wide operating voltage range, making it a versatile solution for various applications. With its compact 20mm form factor, the 20D911K effortlessly integrates into your circuit designs, offering robust over-voltage protection and stability. Its ability to handle up to 550VAC and 910VDC ensures your devices are shielded from unpredictable electrical disturbances, thus prolonging their lifespan and maintaining optimal performance.