DELTA P/N : SI43 & SI43A Series Mechanical dimensions Dimensions (Unit : mm) A 3.5 ± 0.2 B 3.1 ± 0.2 C 2.5 MAX D 1.1 ± 0.2 E 0.6 F 4.0 G 3.6 Electrical Characteristics @25℃ 100KHz, 0.1V Delta P/N R22 R75 1R0 1R2 1R5 1R8 2R2 2R7 3R3 3R9 4R7 5R6 6R8 8R2 100 120 150 180 220 270 330 390 470 560 680 820 101 1. 2. 3. 4. L1 (uH) 0.22 0.75 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 DCR (mΩ) MAX SI43 Isat 2 (Adc) Ir 3 (Adc) 46 60 68 75 90 105 125 145 180 200 250 280 310 440 480 580 630 840 1175 1280 1493 1670 1907 2568 3030 3.0 2.7 2.4 2.2 2.0 1.8 1.7 1.6 1.4 1.3 1.2 1.05 0.95 0.87 0.78 0.71 0.64 0.58 0.52 0.48 0.44 0.40 0.36 0.33 0.30 1.95 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.95 0.85 0.80 0.75 0.64 0.60 0.56 0.53 0.46 0.39 0.37 0.35 0.31 0.30 0.24 0.23 DCR (mΩ) MAX 5.8 18.5 25 32 41 49 54 66 78 92 100 127 156 186 226 251 316 410 462 612 821 905 1040 1330 1872 2112 2300 SI43A Isat 2 (Adc) 5.6 3.2 2.6 2.3 2.06 1.86 1.70 1.57 1.35 1.26 1.19 1.06 1.00 0.87 0.80 0.74 0.66 0.60 0.53 0.48 0.44 0.40 0.36 0.33 0.31 0.27 0.25 Ir 3 (A) 5.6 3.2 2.6 2.3 2.06 1.86 1.70 1.57 1.35 1.26 1.19 1.06 1.00 0.87 0.80 0.74 0.66 0.60 0.53 0.48 0.44 0.40 0.36 0.33 0.31 0.27 0.25 Tolerance of inductance : ± 15% for 0.22~8.2uH, ± 10% for 10~100uH Isat is the DC current which cause the inductance drop less than 10% of it’s nominal inductance without current. Ir is the DC current which cause the surface temperature of the part increase less than 45 ℃. Operating temperature: -40℃ to 125℃ (Self-temperature rise included).