TDK B722 StandarD Varistor 4.4J 30V ac Disc 10mm
TDK B722 varistor, 30V AC, 4.4J, disc 10mm. For transient voltage protection in industrial circuits.
The TDK B722 StandarD Series varistor is a round, radial-leaded, metal oxide varistor (MOV) designed to protect sensitive electronic circuits from excessive transient voltages. With a wide operating voltage range from 11V RMS to 1100V RMS, this varistor is suitable for a variety of industrial and safety applications. The voltage-dependent characteristics allow it to clamp high transient voltage spikes effectively, ensuring reliable circuit protection.
This varistor features a high surge current rating of up to 500A (8/20µs) and a peak energy rating of 4.4J (10/1000µs). It is approved to UL, CSA, VDE, CQC, and IEC standards, guaranteeing quality and safety. The component operates within a temperature range of -40°C to 85°C, with an endurance of 1000 hours at 85°C. It offers ±10% and ±5% voltage tolerance options and is coated with flame-retardant epoxy resin rated UL94V-0.
Key Specifications
- Voltage Rating (AC): 30V
- Voltage Rating (DC): 38V
- Clamping Voltage (Max): 93V
- Varistor Case Style: Disc 10mm
- Peak Surge Current (8/20µs): 500A
- Peak Energy (10/1000µs): 4.4J
- Operating Temperature: -40°C to +85°C
- Standards: UL, CSA, VDE, CQC, IEC approved
The varistor is ideal for use as a control or compensation element in circuits, providing optimal operating conditions and protection against high transient voltage spikes. Its robust design and compliance with international standards make it a reliable choice for industrial and safety applications.
- Industrial applications
- Safety applications
- As control or compensation elements in circuits
- Protection against excessive transient voltages
- Product Range: StandarD
- Varistor Type: Metal Oxide Varistor (MOV)
- Varistor Case Style: Disc 10mm
- Voltage Rating VAC: 30V
- Voltage Rating VDC: 38V
- Clamping Voltage Vc Max: 93V
- Peak Surge Current @ 8/20µs: 500A
- Peak Energy (10/1000µs): 4.4J
- Operating Temperature Min: -40°C
- Operating Temperature Max: 85°C
- Endurance: 1000h at 85°C
- Voltage Tolerance: ±10% and ±5%
- Coating: UL94V-0 rated flame retardant and epoxy resin
- Approvals: UL, CSA, VDE, CQC, IEC
- Weight: 2 grams
- Peak Energy (10/1000uS): 4.4J
- SVHC: No SVHC (25-Jun-2025)
Always follow local regulations and product guidance.
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