TDK Metal Oxide Varistor HighE Series 2.3nF Capacitance 300A Clamping Current 840V Clamping Voltage B72240B0321K001

TDK B72240B0321K001 Metal Oxide Varistor HighE Series is a high-performance component designed to protect electronic circuits from surge voltages and transient events. With a capacitance of 2.3nF and a clamping current rating of 300A, this varistor efficiently absorbs and dissipates surge energy, preventing damage to sensitive electronics.

This disk-shaped varistor has a compact diameter of 40mm and length of 60mm, making it suitable for installation in restricted spaces. The robust metal oxide composition combined with a flame-retardant plastic housing ensures long operational life and safety compliance.

Operating reliably across temperatures from -40°C to 85°C, this varistor is built for harsh industrial environments. It features M4 and M5 screw connectors for secure and stable mounting, with a lead pitch of 24mm. The varistor voltage is specified at 510V, while the clamping voltage is rated at 840V, providing excellent voltage suppression capabilities.

This product meets UL and CSA safety standards and offers a high energy rating of 640J, allowing it to handle demanding surge conditions with a maximum surge current of 40kA. Its flame-retardant housing meeting UL 94 V-0 standards enhances safety during operation.

Typical applications include surge protection in industrial automation systems, power supplies, HVAC controls, and manufacturing equipment where voltage spikes must be controlled to avoid equipment failure.

Metal oxide varistor with HighE series technology for high surge current capability. Clamping voltage of 840V and varistor voltage of 510V for effective voltage protection. Compact disk shape with 40mm diameter and 60mm length.

Operates efficiently within wide temperature range from -40°C to 85°C. Termination by screw style ensuring secure connection. Complies with UL and CSA standards for safety and reliability. Energy rating of 640J suitable for heavy duty applications.

Maximum surge current up to 40kA supports transient voltage suppression. Features flame-retardant housing and plastic encapsulation for enhanced durability. Ideal for industrial and electronic surge protection applications.

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