TDK B722 Metal Oxide Varistor 275V ac 43J

The TDK B722 Standard series round shaped radial leaded SIOV metal oxide varistor (MOV) offers reliable protection against excessive transient voltages. With a wide operating voltage range from 11V RMS to 1100V RMS, this varistor is designed for use as a control or compensation element in electrical circuits.

The voltage-dependent characteristics of this varistor enable it to effectively clamp high transient voltage spikes, safeguarding sensitive components. It features high surge current ratings up to 8 kA peak and a peak energy range from 0.3J to 410J, making it suitable for demanding industrial and safety applications.

This component is approved to UL, CSA, VDE, CQC (S05/07, S10/S14, S20) and IEC standards, ensuring compliance with international safety regulations. It operates within a temperature range of -40°C to 85°C and can endure 1000 hours at 85°C. The varistor offers ±10% and ±5% voltage tolerance options and is coated with a UL94V-0 rated flame retardant epoxy resin for enhanced safety.

Key Specifications

• Voltage Rating (VAC): 275V
• Voltage Rating (VDC): 350V
• Clamping Voltage (Vc Max): 710V
• Peak Surge Current (8/20µs): 2.5kA
• Peak Energy (10/1000µs): 43J
• Varistor Case Style: Radial Leaded
• Operating Temperature: -40°C to 85°C

With dimensions of 33mm x 43mm and a weight of 2g, this varistor is compact and suitable for a variety of applications requiring transient voltage protection.