Overview JFcomponents air core inductors are tightly wound with its baked enamel coating make a perfect small footprint low DC resistance coil. All copper is New 99.99% oxygen free. Specs Inductance:0.25Wire Gauge: 20AWGType: Air CoreDCR: 0.30 ohmsTolerance: +/-3%Power Handling: 200 watts Dimensions A: 1.10inches (28.1mm)B: 0.59 inches (15.1mm)C: 0.59 inches (15.1mm) Why Buy JFcomponents? We offer competitive pricing when compared to big online stores.We hand select and measure all items to ensure they meet tolerance specifications.