SMT Power Inductors B82479 Rated inductance 10 to 1000 µH Rated current 560 to 4300 mA Construction ■ ■ ■ ■ Ferrite core Winding: enamel copper wire Plastic terminal carrier Winding soldered to terminals Features ■ Very high rated current ■ Low dc resistance ■ Suitable for reflow soldering (IR and vapor phase) Applications ■ ■ ■ ■ ■ Filtering of supply voltages Coupling / decoupling DC/DC converters Automotive electronics Telecommunications Terminals ■ Tinned Sn/Pb Marking Color coding based on IEC 60062 Delivery mode 24-mm blister tape, reel packing For details on taping, packing and packing units see page 155 147 04/00 SMT Power Inductors B82479 Dimensional drawing Layout recommendation 2,92 18,54 max. 2 12,45 7,11 max. 15,24 max. 1 3 2,54 2,79 2,54 SSB1503-6 12,7 SSB1469-M Marking 1 = 1st digit of inductance value 2 = 2nd digit of inductance value 3 = multiplier, i. e. multiplies the first two digits by the power of ten (standard unit µH) Color code 1st dot = 1st digit 2nd dot = 2nd digit 3rd dot = multiplier × 10-1 = Gold Black 0,1 0 × 100 = 1 10 Brown 1 1 × 101 = Red 2 2 × 102 = 100 Orange 3 3 × 103 = 1000 Yellow 4 4 Green 5 5 Blue 6 6 Violet 7 Grey 8 Example: 1st dot 2nd dot 3rd dot Coding Blue 6 Grey 8 Brown × 10 = 68 × 10 µH = 680 µH 148 04/00 SMT Power Inductors B82479 General technical data Rated inductance LR Measured with HP 4194A at 100 kHz, measuring current ≤ 1 mA Rated current IR Maximum permissible dc with inductance decrease ∆L /L0 ≤10 % and temperature increase of ≤ 40 K at rated temperature of 85°C DC resistance Rmax Measured at 20°C ambient temperature Climatic category In accordance with IEC 60068-1 40/085/56 (– 40°C/+ 85°C/56 days damp heat test) Solderability 5 s, 235 ˚C, wetting >90 % Weight Approx. 3 g Characteristics and ordering codes LR µH Tolerance IR mA Rmax Ω Ordering code ± 20 % ^ M 4300 4000 3500 0,032 0,036 0,047 B82479-A1103-M B82479-A1153-M B82479-A1223-M 33 47 68 3000 2600 2300 0,066 0,087 0,13 B82479-A1333-M B82479-A1473-M B82479-A1683-M 100 150 220 1800 1500 1200 0,19 0,25 0,38 B82479-A1104-M B82479-A1154-M B82479-A1224-M 330 470 680 1000 1000 820 720 560 0,56 0,85 1,20 1,80 B82479-A1334-M B82479-A1474-M B82479-A1684-M B82479-A1105-M 10 15 22 149 04/00