TDK B722 StandarD Metal Oxide Varistor 75V ac 40J

The TDK B722 StandarD series varistor is a round-shaped, radial-leaded metal oxide varistor (MOV) designed for reliable transient voltage protection in a wide range of applications. This component offers a broad operating voltage range, from 11V to 1100V AC, ensuring versatility across different circuit requirements.

This varistor is specifically rated at 75V AC (100V DC) and delivers a peak energy absorption of 40 joules, making it suitable for suppressing high-energy transients. With a high surge current rating of up to 6.5kA (8/20µs), it effectively protects sensitive electronics from voltage spikes and excessive transient voltages.

Key Features

• High surge current capability up to 6.5kA
• Peak energy rating of 40J (10/1000µs)
• Disc style package: 20mm diameter
• Operating temperature range: -40°C to +85°C
• Endurance of 1000 hours at 85°C
• ±10% and ±5% varistor voltage tolerance options
• UL94V-0 flame retardant epoxy resin coating
• Approvals: UL, CSA, VDE, CQC (S05/07, S10/S14, S20), IEC
• RoHS compliant (No SVHC)

The varistor’s voltage-dependent characteristics allow it to clamp transient voltages to safe levels, protecting downstream components. Its robust construction and flame-retardant coating ensure long-term reliability in demanding environments. This component is ideal for industrial and safety applications where surge protection is critical.

Specifications

• Varistor Type: Metal Oxide Varistor (MOV)
• Voltage Rating AC: 75V
• Voltage Rating DC: 100V
• Clamping Voltage (Max): 200V
• Peak Energy (10/1000µs): 40J
• Peak Surge Current (8/20µs): 6.5kA
• Varistor Case Style: Disc 20mm
• Product Range: StandarD
• Operating Temperature: -40°C to +85°C
• Dimensions (H x W x D): 43mm x 33mm x 15mm
• Weight: 8g