TDK B722 Series Varistor, 2.5J, 17V ac
TDK B722 Series 17V ac metal oxide varistor. 2.5J energy rating, 500A surge current. UL, VDE, IEC approved for circuit protection.
The TDK B722 Series Varistor is a high-performance metal oxide varistor (MOV) from the reliable Epcos Standard range. This radial leaded, disc-shaped component is designed to protect sensitive electronic circuits from damaging transient voltage spikes. With a wide operating voltage range, it offers robust overvoltage protection by acting as a voltage-dependent resistor, clamping excessive voltages to a safe level.
Featuring a high surge current rating of up to 8kA and a peak energy handling capability of 2.5J, this varistor is built to withstand significant electrical stress. Its epoxy resin coating and UL94V-0 flame-retardant rating ensure safety and reliability in demanding environments. The component is approved to major international standards including UL, CSA, VDE, CQC, and IEC, guaranteeing quality and compliance for global applications.
Key Features & Applications
Ideal for use in industrial control systems and safety-critical equipment, this varistor serves as both a protection and compensation element. It ensures optimal operating conditions by suppressing voltage transients caused by switching events, lightning surges, or electrostatic discharge. Its endurance is proven with 1000 hours of operation at 85°C, and it performs reliably across a broad temperature range from -40°C to +85°C.
Specifications at a Glance
- Voltage Rating: 17V AC / 22V DC
- Clamping Voltage (Max): 53V
- Peak Surge Current: 500A (8/20µs)
- Case Style: 10mm Disc
- Voltage Tolerance: Available in ±10% and ±5%
- Construction: Epoxy resin coated, flame-retardant
This TDK varistor provides a dependable and certified solution for enhancing the longevity and reliability of your electronic designs.
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