SMT Power Inductors B82476 Rated inductance 10 to 1000 µH Rated current 300 to 3800 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 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 155 141 04/00 SMT Power Inductors B82476 Dimensional drawing Layout recommendation 2,92 12,95 max. 2 7,37 5,08 max. 9,4 max. 1 3 2,54 2,79 2,54 SSB1504-E 7,62 SSB1471-Y 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 142 04/00 SMT Power Inductors B82476 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. 2 g Characteristics and ordering codes LR µH Tolerance IR mA Rmax Ω Ordering code ± 20 % ^ M 3800 3000 2600 0,025 0,040 0,050 B82476-A1103-M B82476-A1153-M B82476-A1223-M 33 47 68 2000 1600 1400 0,088 0,12 0,16 B82476-A1333-M B82476-A1473-M B82476-A1683-M 100 150 220 1200 1000 800 0,23 0,33 0,53 B82476-A1104-M B82476-A1154-M B82476-A1224-M 330 470 680 1000 600 500 400 300 0,81 1,10 1,60 2,15 B82476-A1334-M B82476-A1474-M B82476-A1684-M B82476-A1105-M 10 15 22 143 04/00