TDK B722 StandarD Varistor 4.4J 30V ac Disc 10mm

The TDK B722 StandarD Series varistor is a round, radial-leaded, metal oxide varistor (MOV) designed to protect sensitive electronic circuits from excessive transient voltages. With a wide operating voltage range from 11V RMS to 1100V RMS, this varistor is suitable for a variety of industrial and safety applications. The voltage-dependent characteristics allow it to clamp high transient voltage spikes effectively, ensuring reliable circuit protection.

This varistor features a high surge current rating of up to 500A (8/20µs) and a peak energy rating of 4.4J (10/1000µs). It is approved to UL, CSA, VDE, CQC, and IEC standards, guaranteeing quality and safety. The component operates within a temperature range of -40°C to 85°C, with an endurance of 1000 hours at 85°C. It offers ±10% and ±5% voltage tolerance options and is coated with flame-retardant epoxy resin rated UL94V-0.

Key Specifications

• Voltage Rating (AC): 30V
• Voltage Rating (DC): 38V
• Clamping Voltage (Max): 93V
• Varistor Case Style: Disc 10mm
• Peak Surge Current (8/20µs): 500A
• Peak Energy (10/1000µs): 4.4J
• Operating Temperature: -40°C to +85°C
• Standards: UL, CSA, VDE, CQC, IEC approved

The varistor is ideal for use as a control or compensation element in circuits, providing optimal operating conditions and protection against high transient voltage spikes. Its robust design and compliance with international standards make it a reliable choice for industrial and safety applications.