1 meritek unshielded smt power inductors smdr series smdr 0402/0802/0804/0810/1206 type ? i sat: the current when the inductance becomes 10% lower than its initial value. (ta = 20 oc) ? i rms: the current when temperature of coil increases up to max. t = 40 oc (ta = 20 oc) ? operating temperature: -40 to 85 oc characteristics ? high power, high saturation, low resistence ? ideal inductors for dc-dc conversion in notebook computer, pdas, step-up or step-down converters, ?ash memory programmers, etc. ? smdr0402 used ceramic base with gold-planting ? the others used lcp plastic base features smdr0402..........1.0 ~ 1000 uh.............2.9 ~ 0.07a smdr0802..........10 ~ 1000 uh..............2.0 ~ 0.05a smdr0804..........1.0 ~ 1000 uh.............6.8 ~ 0.030a smdr0810..........10 ~ 1000 uh..............3.5 ~ 0.10a smdr1206..........1.0 ~ 1000 uh.............8.6 ~ 0.56a inductance and rated current ranges test equipments: ? l: agilent 4284a lcr meter @ 100khz 0.1v ? dc resistance: milli - ohm meter or equivalent ? srf: agilant 4291 b rf impedance analyzer ? electrical speci?cations at 25 oc ? portable telephones ? personable computers ? dc/dc converters, etc. ? other various electronic appliances applications smdr meritek series 0802 size (in mm) code 0402 0802 0804 0810 1206 see corresponded dimensions chart inductance (uh) first two digits are signi?cant ?gures third digit denotes number of zeros 470 - tolerance code k m 10% 20% m part numbering system (1) type: s urface m ount (2) style: dr core od =8.5mm h =4.0mm (3) inductance: 470 for 47 uh (4) inductance tolerance: k : 10%; m : 20% ordering information sm dr0804 - 470 m (1) (2) (3) (4) item a (max) b (max) c (max) d e f h i j smdr0402 6.60 4.45 2.82 4.32 1.27 1.02 3.56 1.40 4.06 smdr0802 12.95 9.40 3.50 7.62 2.54 2.54 2.79 2.92 7.37 smdr0804 12.95 9.40 5.21 7.62 2.54 2.54 2.79 2.92 7.37 smdr0810 12.95 9.40 11.43 7.62 2.54 2.54 2.79 2.92 7.37 smdr1206 18.54 15.24 7.11 12.70 2.54 2.54 2.79 2.92 12.45 shape and size: (dimensions are in mm)
part no. l (uh) dcr max. (ohm) srf ref. (mhz) i sat (a) i rms (a) smdr0802 - 100m smdr0802 - 150m smdr0802 - 220m smdr0802 - 330m smdr0802 - 470m smdr0802 - 680m smdr0802 - 101m smdr0802 - 151m smdr0802 - 221m smdr0802 - 331m smdr0802 - 471m smdr0802 - 681m smdr0802 - 102m 10 15 22 33 47 68 100 150 220 330 470 680 1000 0.11 0.15 0.23 0.30 0.39 0.66 0.84 1.2 1.9 2.7 4.0 5.3 8.4 35 33 25 19 14 12 10 8.0 6.0 5.0 4.0 3.0 2.5 2.4 2.0 1.6 1.4 1.0 0.9 0.7 0.6 0.5 0.4 0.3 0.2 0.1 2.0 1.5 1.3 1.1 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.05 part no. l (uh) dcr max. (ohm) srf ref. (mhz) i sat (a) i rms (a) smdr0402 - 1r0m smdr0402 - 1r5m smdr0402 - 2r2m smdr0402 - 3r3m smdr0402 - 4r7m smdr0402 - 6r8m smdr0402 - 100m smdr0402 - 150m smdr0402 - 220k smdr0402 - 330k smdr0402 - 470k smdr0402 - 680k smdr0402 - 101k smdr0402 - 151k smdr0402 - 221k smdr0402 - 331k smdr0402 - 471k smdr0402 - 681k smdr0402 - 102k 1.0 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1000 0.05 0.05 0.07 0.08 0.09 0.13 0.16 0.23 0.37 0.51 0.64 0.86 1.27 2.00 3.11 3.80 6.20 9.20 13.8 130 115 90 70 50 45 35 30 20 15 14 11 9.0 6.0 5.5 5.0 4.0 3.0 2.0 2.9 2.6 2.3 2.0 1.5 1.2 1.1 0.90 0.70 0.58 0.50 0.40 0.31 0.27 0.22 0.18 0.16 0.14 0.10 2.9 2.8 2.4 2.0 1.5 1.4 1.1 1.2 0.80 0.60 0.50 0.40 0.30 0.25 0.20 0.16 0.15 0.12 0.07 2 meritek unshielded smt power inductors smdr series smdr 0402/0802/0804/0810/1206 type
part no. l (uh) dcr max. (ohm) srf ref. (mhz) i sat (a) i rms (a) 6.8 6.4 6.1 5.4 4.8 4.4 3.9 3.1 2.7 2.1 1.8 1.5 1.3 1.0 0.80 0.60 0.50 0.40 0.30 smdr0804 - 1r0m smdr0804 - 1r5m smdr0804 - 2r2m smdr0804 - 3r3m smdr0804 - 4r7m smdr0804 - 6r8m smdr0804 - 100m smdr0804 - 150m smdr0804 - 220m smdr0804 - 330m smdr0804 - 470m smdr0804 - 680m smdr0804 - 101m smdr0804 - 151m smdr0804 - 221m smdr0804 - 331m smdr0804 - 471m smdr0804 - 681m smdr0804 - 102m 1.0 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1000 0.009 0.010 0.012 0.015 0.018 0.027 0.038 0.046 0.085 0.100 0.14 0.20 0.28 0.40 0.61 1.02 1.27 2.02 3.00 100 90 80 65 45 38 30 27 19 15 12 10 9.0 6.0 5.0 4.5 3.5 2.5 2.0 9.0 8.0 7.0 6.4 5.4 4.6 3.8 3.0 2.6 2.0 1.6 1.4 1.2 1.0 0.80 0.60 0.50 0.40 0.30 srf ref. (mhz) i sat (a) i rms (a) part no. l (uh) dcr max. (ohm) smdr0810 - 100m smdr0810 - 150m smdr0810 - 220m smdr0810 - 330m smdr0810 - 470m smdr0810 - 680m smdr0810 - 101m smdr0810 - 151m smdr0810 - 221m smdr0810 - 331m smdr0810 - 471m smdr0810 - 681m smdr0810 - 102m 10 15 22 33 47 68 100 150 220 330 470 680 1000 0.04 0.05 0.066 0.08 0.11 0.17 0.22 0.34 0.44 0.70 0.95 1.2 2.0 22 18 11 9.0 8.0 7.0 5.0 4.0 3.5 2.5 2.0 2.0 1.5 8.0 7.0 5.5 4.0 3.8 3.0 2.5 2.0 1.6 1.2 1.0 1.0 0.80 3.5 3.0 2.5 2.0 1.6 1.2 1.2 0.90 0.70 0.60 0.30 0.20 0.10 3 meritek unshielded smt power inductors smdr series smdr 0402/0802/0804/0810/1206 type
part no. l (uh) dcr max. (ohm) srf ref. (mhz) i sat (a) i rms (a) smdr1206 - 1r0m smdr1206 - 2r2m smdr1206 - 3r3m smdr1206 - 5r6m smdr1206 - 100m smdr1206 - 150m smdr1206 - 220m smdr1206 - 330m smdr1206 - 470m smdr1206 - 680m smdr1206 - 101m smdr1206 - 151m smdr1206 - 221m smdr1206 - 331m smdr1206 - 471m smdr1206 - 681m smdr1206 - 102m 1.0 2.2 3.3 5.6 10 15 22 33 47 68 100 150 220 330 470 680 1000 0.009 0.014 0.018 0.020 0.031 0.036 0.047 0.066 0.086 0.13 0.19 0.25 0.38 0.56 0.85 1.1 1.8 80 80 60 40 30 22 20 15 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.5 2.0 20 16 14 12 10 8.0 7.0 5.5 4.5 3.5 3.0 2.6 2.4 1.9 1.4 1.2 1.0 8.6 7.1 6.2 5.3 4.3 4.0 3.5 3.0 2.6 2.3 1.8 1.5 1.2 1.0 0.82 0.72 0.56 4 meritek unshielded smt power inductors smdr series smdr 0402/0802/0804/0810/1206 type speci?cations are subject to change without notice.
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