The SIOV-S20K350E3K1 is a leaded varistor from EPCOS (TDK), specifically designed to provide robust transient voltage suppression, protecting sensitive electronic equipment from potentially damaging voltage surges. This metal oxide varistor (MOV) is engineered to guard against overvoltage events arising from various sources, including lightning strikes, power line fluctuations, and inductive load switching. Its rugged construction and reliable performance make it a dependable component for a wide range of applications.

Applications

• Power supplies
• Surge protection devices
• Industrial automation systems
• Consumer electronics
• Telecommunications infrastructure

Features

• High surge current handling capacity
• Rapid response time to transient events
• Wide operating voltage range
• RoHS compliant
• UL recognized
• Compact size for efficient board space utilization

Benefits

• Safeguards electronic components from damage due to overvoltage transients
• Enhances the reliability and extends the lifespan of electronic systems
• Minimizes downtime and reduces maintenance costs
• Improves safety by mitigating electrical hazards and preventing fires
• Meets industry standards for safety and operational performance

Technical Specifications

The SIOV-S20K350E3K1 is characterized by a maximum continuous operating voltage of 350 Vrms (AC). Its surge current capability is precisely defined based on industry-standard waveforms and pulse counts. The clamping voltage, the voltage level at which the varistor begins to shunt excess voltage, is optimized to protect connected equipment effectively. The device operates reliably across a temperature range typically from -40°C to +85°C. The 'S' designation indicates a specific lead configuration. 'E3K1' likely refers to a particular packaging or lead material variant. The 20 refers to the disc size in mm.

By providing rapid and precise clamping of transient overvoltages, this varistor plays a critical role in ensuring the stable and secure operation of various electrical and electronic systems. Its robust design ensures dependable performance under challenging operating conditions.