TDK HighE Metal Oxide Varistor 1.9 nF Capacitance 300 A Clamping Current 1025 V Clamping Voltage B72240B0381K001

TDK B72240B0381K001 HighE series Metal Oxide Varistor offers high surge current capability with a capacitance of 1.9 nF and a clamping current of 300 A, designed to protect electrical and electronic circuits from transient voltage surges and spikes. This varistor features a clamping voltage of 1025 V and a varistor voltage of 620 V, enabling it to clamp voltage surges effectively up to 40kA surge current.

Encapsulated within a flame-retardant plastic housing rated UL 94 V-0, it provides excellent durability and safety under harsh industrial conditions. The device features a disk-shaped design with a diameter of 40 mm and length of 60 mm, making it suitable for integration into various power and surge protection equipment.

The varistor is built for heavy-duty usage with maximum AC and DC voltage ratings of 385 V ac and 505 V dc respectively, ensuring reliable performance in power supply and distribution systems, industrial machines, and electronic devices.

Specifically engineered with screw terminations (M4 and M5 connectors) and a lead pitch of 24 mm, installation is secure and facilitates robust electrical connections. The operating temperature range from -40°C to 85°C supports use across a wide range of industrial and environmental conditions.

Approval certifications such as UL and CSA affirm its compliance with industry standards, assuring safety and quality for commercial and industrial applications. Its energy rating of 800 J qualifies it as a high-performance component in surge suppression systems.

Metal oxide varistor with 1.9 nF capacitance. Clamping voltage of 1025 V and varistor voltage of 620 V. Maximum surge current rating of 40 kA for heavy-duty protection. Flame-retardant housing with UL 94 V-0 rating for safety.

Operating temperature range from -40°C to 85°C. Screw termination style for secure electrical connections. Compact disk-shape with 40 mm diameter and 60 mm length. Certified to UL and CSA standards ensuring quality.

This varistor is ideal for industrial, commercial, and electrical equipment where surge protection is critical, including power supply modules, surge absorbers, and heavy machinery. Its robust design and compliance with international standards make it a reliable choice for engineers and technicians.

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