TDK B722 Series Metal Oxide Varistor 30V ac 9.0J
TDK Epcos B722 Series radial leaded metal oxide varistor. 30V AC, 9J peak energy. Ideal for circuit protection against transient voltage spikes.
The TDK Epcos B722 Series features round-shaped, radial-leaded SIOV metal oxide varistors designed for effective circuit protection and control. These varistors operate across a wide voltage range from 11VRMS to 1100VRMS, making them highly versatile for various electronic applications. They function as control or compensation elements, ensuring optimal operating conditions or safeguarding circuits against excessive transient voltages.
With voltage-dependent characteristics, these varistors provide robust protection against high transient voltage spikes. They boast high surge current ratings of up to 8kA and a peak energy range spanning from 0.3J to 410J. This specific model offers a voltage rating of 30V AC (38V DC) with a maximum clamping voltage of 93V, a peak surge current of 1kA at 8/20µs, and a peak energy of 9.0J.
Built for reliability, the varistor features an endurance of 1000 hours at 85°C and an operating temperature range from -40°C to 85°C. It is UL94V-0 rated for flame retardancy and coated with epoxy resin for enhanced durability. The component meets rigorous industry standards, holding approvals from UL, CSA, VDE, CQC, and IEC. Varistor voltage tolerance is available at ±10% and ±5%.
Compact in size, it measures 43 mm in height, 33 mm in width, and 15 mm in depth, with a lightweight design of just 4 grams, facilitating easy integration into your electronic assemblies.
- Industrial applications
- Safety applications
- Circuit control and compensation
- Protection against excessive transient voltages
- Series: B722
- Varistor Type: Metal Oxide Varistor (MOV)
- Case Style: Radial Leaded
- Voltage Rating VAC: 30V
- Voltage Rating VDC: 38V
- Clamping Voltage Vc Max: 93V
- Peak Surge Current @ 8/20µs: 1kA
- Peak Energy (10/1000µs): 9J
- Voltage Tolerance: ±10% and ±5%
- Flame Retardancy Rating: UL94V-0
- Coating: Epoxy resin
- Operating Temperature Range: -40°C to 85°C
- Endurance: 1000h at 85°C
- Approvals: UL, CSA, VDE, CQC, IEC
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Weight: 4 grams
- Product Range: B722 Series
- Varistor Case Style: Radial Leaded
- Operating Temperature Min: -40°C
- Operating Temperature Max: 85°C
- Peak Energy (10/1000uS): 9J
- SVHC: No SVHC (25-Jun-2025)
Always follow local regulations and product guidance.
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