Model Information for B72207S0271K101

Overview

• Manufacturer: EPCOS AG (TDK Group)
• Series: B722 Standard Series
• Type: Leaded Varistor
• Model: B72207S0271K101

Electrical Specifications

• AC Operating Voltage (VRMS): 275 V
• DC Operating Voltage (VDC): 350 V
• Nominal Discharge Current (In): 1200 A (8/20 µs)
• Maximum Surge Current (imax): 5000 A (8/20 µs)
• Maximum Clamping Voltage (vc, max): 710 V (at 25 A)
• Maximum Average Power Dissipation (Pmax): 19 W
• Maximum Energy Absorption (Wmax): 34 J (2 ms)
• Leakage Current (Ileak): ≤ 10 µA (at VRMS)
• Capacitance (Ctyp): 430 pF (at 1 kHz)

Dimensions and Weight

• Nominal Diameter: 7 mm
• Lead Spacing: 7.5 mm
• Weight: 1.8 g

Construction and Features

• Element Type: Round varistor element
• Coating: Epoxy resin, flame-retardant to UL 94V-0
• Terminals: Tinned wire
• Operating Temperature Range: -40°C to +105°C
• Storage Temperature Range: -40°C to +125°C
• Approvals: UL, CSA, VDE, CQC

Ordering Information

• Ordering Code: B72207S0271K101
• Packaging: Bulk (standard), taped versions on reel or in Ammo pack upon request
• Delivery Mode: Standard bulk packaging, with taped options available

Reliability Data

• Endurance at Upper Category Temperature: 1000 hours at UCT (±2°C)
• Surge Current Derating (8/20 µs): 10 impulses, no visible damage, |∆V/V (1 mA)| ≤ 10%
• Electric Strength: ≥ 2.5 kV RMS
• Insulation Resistance: ≥ 100 MΩ