TDK B722 Metal Oxide Varistor 275V ac 43J
TDK B722 metal oxide varistor, 275V ac, 43J, radial leaded, surge protection, UL/IEC approved, -40°C to 85°C.
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.
- Industrial applications
- Safety systems
- Control circuits
- Compensation elements in circuits
- Voltage Rating VAC: 275V
- Voltage Rating VDC: 350V
- Clamping Voltage Vc Max: 710V
- Product Range: B722 Series
- Varistor Case Style: Radial Leaded
- Varistor Type: Metal Oxide Varistor (MOV)
- Peak Surge Current @ 8/20µs: 2.5kA
- Operating Temperature Min: -40°C
- Operating Temperature Max: 85°C
- Peak Energy (10/1000µs): 43J
- Maximum Operating Voltage: 275V ac
- Operating Voltage Range: 11V RMS to 1100V RMS
- Surge Current Rating: Up to 8kA Peak
- Energy Range: 0.3J to 410J
- Voltage Tolerance: ±10% and ±5%
- Flame Retardant: UL94V-0 rated
- Coating: Epoxy Resin
- Weight: 2g
- Width: 33mm
- Height: 43mm
- Depth: 15mm
- Peak Energy (10/1000uS): 43J
- SVHC: No SVHC (25-Jun-2025)
Always follow local regulations and product guidance.
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