? electrical characteristics ? dimensions & recommended land pattern [unit : mm] part no. inductance (uh) dc resistance ( ? )max saturation rated current (a) max. temperature rise current (a) max. SFOB1055-3R8100 10.0 uh ?? 20% 0.04 5.40 3.80 sfob1055-2r5220 22.0 uh ?? 20% 0.095 3.70 2.50 sfob1055-2r3270 27.0 uh ?? 20% 0.10 3.30 2.30 sfob1055-2r0330 33.0 uh ?? 20% 0.11 3.00 2.00 sfob1055-1r7470 47.0 uh ?? 20% 0.16 2.50 1.70 sfob1055-1r6560 56.0 uh ?? 20% 0.18 2.30 1.60 sfob1055-1r4680 68.0 uh ?? 20% 0.21 2.10 1.40 sfob1055-1r3820 82.0 uh ?? 20% 0.27 1.91 1.33 sfob1055-1r2101 100 uh ?? 20% 0.30 1.70 1.20 sfob1055-r81221 220 uh ?? 20% 0.70 1.10 0.81 sfob1055-r73271 270 uh ?? 20% 0.94 1.00 0.73 sfob1055-r66331 330 uh ?? 20% 1.07 0.95 0.66 sfob1055-r55471 470 uh ?? 20% 1.45 0.80 0.55 sfob1055-r50561 560 uh ?? 20% 1.73 0.73 0.50 sfob1055-r46681 680 uh ?? 20% 2.18 0.66 0.46 ? testing instrument : 1) inductance : hp 4284a lcr meter 2) dc resistance : hioki m ? hi-tester 3220 ? tested at 100khz, 0.25 vrms. ? saturation rated current (a) : the current when the inductance becomes 10% l ower than its nominal value. (ta=20 ? ) ? temperature rise current (typ.) : the actual current when temperature of co il becomes ?a t=25 ? . (ta=20 ? ) sfob1055 series unshielded type 11.0 ?? 0.3 11.0 max 5.5 ?? 0.3 3.5 ?? 0.2 7.0 ?? 0.2 10.6 1.8 6.0 2.5 2.5 4.5 14 ? electrical characteristics ? dimensions & recommended land pattern [unit : mm] part no. inductance (uh) dc resistance ( ? )max saturation rated current (a) max. temperature rise current (a) max. sfob1080-6r46r8 6.8 uh ?? 20% 0.036 8.20 6.40 sfob1080-5r3100 10.0 uh ?? 20% 0.049 6.70 5.30 sfob1080-3r6220 22.0 uh ?? 20% 0.08 4.50 3.60 sfob1080-2r9330 33.0 uh ?? 20% 0.11 3.70 2.90 sfob1080-2r4470 47.0 uh ?? 20% 0.17 3.10 2.40 sfob1080-2r2560 56.0 uh ?? 20% 0.20 2.80 2.20 sfob1080-2r0680 68.0 uh ?? 20% 0.24 2.60 2.00 sfob1080-1r7101 100 uh ?? 20% 0.35 2.10 1.70 sfob1080-1r1221 220 uh ?? 20% 0.74 1.40 1.10 sfob1080-r90331 330 uh ?? 20% 1.00 1.10 0.90 sfob1080-r78471 470 uh ?? 20% 1.46 1.00 0.78 sfob1080-r65681 680 uh ?? 20% 2.34 0.82 0.65 sfob1080-r54102 1000 uh ?? 20% 3.64 0.68 0.54 ? testing instrument : 1) inductance : hp 4284a lcr meter 2) dc resistance : hioki m ? hi-tester 3220 ? tested at 100khz, 0.25 vrms. ? saturation rated current (a) : the current when the inductance becomes 10% l ower than its nominal value. (ta=20 ? ) ? temperature rise current (typ.) : the actual current when temperature of co il becomes ?a t=45 ? . (ta=20 ? ) sfob1080 series unshielded type 11.0 ?? 0.3 11.0 max 7.5 ?? 0.3 3.5 ?? 0.2 7.0 ?? 0.2 10.6 1.8 6.0 2.5 2.5 4.5 samwha tecom co., ltd.
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