The SIOV-S20K320E3K1 is a leaded varistor manufactured by EPCOS (TDK), designed for reliable transient voltage suppression. As a metal oxide varistor (MOV), it provides protection to sensitive electronic devices against voltage surges caused by lightning, power line disturbances, and inductive load switching. The device’s robust construction and consistent performance make it suitable for various applications.

Applications

• Power supplies
• Industrial electronics
• Consumer electronics
• Lighting systems
• Telecommunications equipment

Features

• High surge current capability
• Fast response time
• Wide operating voltage range
• RoHS compliant
• UL recognized
• Compact size

Benefits

• Protects sensitive electronics from damage due to voltage surges
• Improves the reliability and lifespan of electronic equipment
• Reduces downtime and maintenance costs
• Enhances safety by preventing electrical fires and other hazards
• Meets industry standards for safety and performance

Technical Specifications

The SIOV-S20K320E3K1 has a maximum continuous operating voltage (AC) of 320 Vrms and a maximum continuous operating voltage (DC) that corresponds to this AC voltage. It is designed to withstand high surge currents, as specified by industry-standard waveforms. The clamping voltage is optimized to ensure the protection of downstream components. The operating temperature range typically falls between -40°C and +85°C. The 'S' designation indicates a specific lead configuration, and the 'E3K1' likely refers to a specific packaging or lead material variant. The 20 refers to the disc size in mm.

This varistor effectively clamps transient overvoltages, making it a critical component in ensuring the stable and safe operation of various electrical and electronic systems. Its design ensures consistent performance under demanding conditions.