S20K275 Metal Oxide Varistor 275VAC 20mm Radial ±10 Percent 1.8KA Surge Suppression

The S20K275 Metal Oxide Varistor (MOV) is designed to provide reliable protection against AC line transients, lightning surges, and electrical noise. With a continuous operating voltage of 275V AC, this varistor is ideal for AC mains, power supply inputs, and industrial control systems. It features a large 20mm disc diameter that offers a higher energy absorption capability and enhanced surge tolerance up to 1.8kA. Its fast response time (<25ns) effectively suppresses overvoltage events, protecting downstream components and circuits from damage.

Key Features:

• Maximum continuous operating voltage of 275VAC for general AC line protection
• Radial 20mm disc type construction for PCB mounting
• ±10% tolerance in clamping voltage ensuring reliable overvoltage protection
• Surge current handling up to 1.8kA (8/20μs) for transient spike absorption
• Response time under 25ns ideal for protecting sensitive components
• RoHS compliant and UL recognized for safety-critical designs

Additional Specifications:

• Capacitance: 1000 pF to 2000 pF
• Voltage Rating: 275V AC / 350V DC