RL2220A181K 180V Metal Oxide Varistor – 2220 Package | RUILON

The RUILON RL2220 Series Metal Oxide Varistors (MOV) are high-power surge protection devices engineered for demanding applications requiring superior energy handling capability. With a large 2220 SMD package, these varistors provide excellent protection against high-energy transient voltage spikes and overvoltage conditions.

Designed for robust performance, these MOVs deliver fast response time, stable clamping characteristics, and high surge absorption capability, ensuring reliable circuit protection in critical and high-power environments. Their low leakage current and durable construction support long-term stability and consistent performance.

The RL2220 series is ideal for applications where higher surge capacity and enhanced reliability are essential, including industrial systems, power electronics, and communication infrastructure.

✅ Key Features

Large 2220 SMD package
Very high energy absorption capability
Fast transient response
Stable clamping voltage
Low leakage current (~0.1–0.2 µA)
Wide voltage range (27V to 620V)
High reliability for high-power applications

✅ Applications

Power supplies and SMPS
Industrial automation equipment
Telecommunication systems
Consumer electronics
IoT and smart devices
Power line and signal protection