TDK B722 Series Varistor 460V ac 36J Disc 7mm
TDK B722 metal oxide varistor, 460V ac, 36J energy, surge protection up to 1.2kA. Ideal for industrial circuits.
The TDK B722 Series Varistor is a round-shaped, radial-leaded SIOV metal oxide varistor (MOV) designed for reliable transient voltage protection in a wide range of electronic circuits. With a broad operating voltage range from 11V RMS to 1100V RMS, this component provides effective control and compensation, ensuring optimal circuit performance and safeguarding against excessive voltage spikes.
This varistor features high surge current ratings up to 8kA and a peak energy range from 0.3J to 410J, making it suitable for demanding industrial and safety applications. It operates within a temperature range of -40°C to 85°C and demonstrates endurance of 1000 hours at 85°C, ensuring long-term reliability. The varistor offers ±10% and ±5% voltage tolerance options, and its UL94V-0 flame-retardant epoxy resin coating enhances safety.
Specifications
- Voltage Rating VAC: 460V
- Voltage Rating VDC: 615V
- Clamping Voltage (Max): 1.24kV
- Peak Surge Current (8/20µs): 1.2kA (model with 7mm disc)
- Peak Energy (10/1000µs): 36J
- Varistor Case Style: Disc 7mm
- Operating Temperature: -40°C to 85°C
- Approvals: UL, CSA, VDE, CQC (S05/07, S10/S14, S20), IEC approved
- Product Range: B722 Series
- Brand: TDK (Epcos)
The TDK B722 Series Varistor is a robust choice for engineers seeking dependable overvoltage protection and circuit stabilisation. Its high surge capability and compliance with international standards make it an ideal component for professional electronic designs.
- Industrial applications
- Safety applications
- Transient voltage protection in circuits
- Control or compensation elements in electronic circuits
- Voltage Rating VAC: 460V
- Voltage Rating VDC: 615V
- Clamping Voltage Vc Max: 1.24kV
- Varistor Case Style: Disc 7mm
- Varistor Type: Metal Oxide Varistor (MOV)
- Peak Surge Current @ 8/20µs: 1.2kA
- Peak Energy (10/1000µs): 36J
- Operating Temperature Min: -40°C
- Operating Temperature Max: 85°C
- Endurance: 1000h at 85°C
- Varistor Voltage Tolerance: ±10% and ±5%
- Flame Retardant: UL94V-0 rated, epoxy resin coated
- Approvals: UL, CSA, VDE, CQC (S05/07, S10/S14, S20), IEC
- Product Range: B722 Series
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Weight: 2 grams
- Peak Energy (10/1000uS): 36J
- SVHC: No SVHC (25-Jun-2025)
Always follow local regulations and product guidance.
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