TDK Epcos B722 Series Metal Oxide Varistor, 13.5J, 385V AC

The TDK Epcos B722 Series represents a line of high-performance, round-shaped radial-leaded SIOV metal oxide varistors (MOVs). Designed as control or compensation elements, they provide optimal operating conditions and robust protection against damaging transient voltage spikes within electronic circuits. Their voltage-dependent characteristics allow them to act as a safeguard, clamping excessive voltage surges that could otherwise harm sensitive components.

This specific model offers a high peak energy rating of 13.5J and is rated for 385V AC (505V DC) operation. With a wide operating voltage range spanning from 11V_RMS to 1100V_RMS, the B722 series is versatile for numerous applications. It features impressive surge current handling, with ratings up to 8kA peak, ensuring reliable protection in demanding environments.

Key Features & Benefits

• Robust Surge Protection: With a peak surge current of 400A (8/20µs) and a clamping voltage (Vc Max) of 1.025kV, this varistor effectively suppresses transient overvoltages.
• High Reliability & Endurance: The component is designed for long-term stability, offering an endurance of 1000 hours at 85°C and an operating temperature range from -40°C to +85°C.
• International Safety Approvals: It carries approvals from major global standards bodies including UL, CSA, VDE, CQC, and IEC, ensuring compliance for use in regulated markets.
• Durable Construction: The varistor is coated in a flame-retardant epoxy resin and meets the UL94V-0 flammability standard, enhancing safety and physical durability.
• Precise Specifications: Available with a varistor voltage tolerance of ±10% or ±5%, allowing for selection based on circuit precision requirements.

Ideal for industrial and safety-critical applications, the TDK Epcos B722 varistor is a trusted solution for enhancing the resilience and longevity of electrical systems.