yageo corporation smd inductor / beads shielded smd power inductors scds series scds - - product identification international no. tolerance inductance packaging style dimensions product symbol shapes and dimensions applications power supply for vtrs oa equipment lcd televisions notebook pcs portable communication equipment dc / dc converters, etc. features available in magnetically dhielded low dc resistance suitable for large currents ideal for a variety of dc C dc converter inductor applications available on tape and reel for auto surface mounting dimensions : mm ? t : packing : tape and reel ? hp : low dcr ? ld : high power ? tolerance : k= r 10% m= r 20% t= r 30% ? cec internal no.: b: silver plated terminals (3d12~6d38); s: base type terminals (2d11~2d18hp & 62t&127) ?note : yageo will start to release scd series inductor with lead-free terminals that meet sony ss-00259s criterial for lead-free product in q2 of 2004, and yageo internal no will changed to n as identification. dimensions in mm dimensions in mm typ e a b c d e f scds2d11 3.2 +0 3.2 +0 1.2 +0 3.3 2.1 1.0 scds2d14 3.2 +0 3.2 +0 1.55 +0 3.3 2.1 1.0 scds2d18ld 3.2 +0 3.2 +0 2.0 +0 3.3 2.1 1.0 scds2d18hp 3.2 +0 3.2 +0 2.0 +0 3.3 2.1 1.0 typ e a b c d s cds 2d11 1.3 1.7 1.3 4.3 s cds 2d14 1.3 1.7 1.3 4.3 s cds 2d18ld 1. 3 1. 7 1. 3 4. 3 s cds 2d18h p 1. 3 1. 7 1. 3 4. 3 scds2d11/2d14/2d18ld/2d18hp shapes and dimensions recommended pattern
shapes and dimensions item a b c d e h i j 5d18 5.7 r 0.3 3.0 max. 8.2 max. 1.5 5.7 r 0.3 6.3 2.15 2.0 5d28 5.7 r 0.3 3.0 max. 8.2 max. 1.5 5.7 r 0.3 6.3 2.15 2.0 6d28 6.7 r 0.3 3.0 max. 9.5 max. 1.5 6.7 r 0.3 7.3 2.65 2.0 6d38 7.0 r 0.0 4.0 max. 9.5 max. 1.5 7.0 r 0.0 7.3 2.65 2.0 dimensions : mm c d e e a b a h i i j pad layout scds 3d16 scds 3d12 shapes and dimensions recommended pattern shapes and dimensions recommended pattern a b 1.0 c d dimensions in mm dimensions in mm dimensions in mm dimensions in mm recommended pattern dimensions in mm dimensions in mm tape a b c d tape a b c d scds3d16 4 max. 4 max. 1.8 max. 5.2 max. type a b c d scds3d16 2.4 1.5 5.2 1.4 a scds4d18 4.7 r 0. 3 4.7 r 0. 3 2.0 max 6.9 max scds4d28 4.7 r 0. 3 4.7 r 0. 3 3.0 max 6.9 max typ e a b c s cds 4d18 1. 9 1. 5 5. 3 s cds 4d28 1. 9 1. 5 5. 3 xxx x x x scds 4d18~6d38 typ e a b c d scds3d12 3.9 r 0. 2 3.9 r 0. 2 1.2 max 6.2 max typ e a b c d scds3d12 4.6 1.6 1.4 4.6
electrical characteristics standard specifications inductance ( p h) stamp d.c.r.(m : )max. rated current(a)max. scds 2d11 1r0 1r2 1r5 1r8 2r2 2r4 2r5 2r7 3r0 3r3 3r5 3r8 3r9 4r1 4r2 4r7 5r0 5r2 5r3 5r4 5r5 5r6 6r0 6r1 6r2 6r8 7r0 7r3 7r4 7r6 8r2 8r6 8r7 8r9 100 120 150 180 220 270 330 390 470 560 680 820 101 121 151 181 221 271 331 391 471 1.0 1.2 1.5 1.8 2.2 2.4 2.5 2.7 3.0 3.3 3.5 3.8 3.9 4.1 4.2 4.7 5.0 5.2 5.3 5.4 5.5 5.6 6.0 6.1 6.2 6.8 7.0 7.3 7.4 7.6 8.2 8.6 8.7 8.9 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 68 98 123 170 260 400 scds 2d14 63 75 94 106 125 138 169 188 213 281 294 394 scds 2d18ld 41 54 78 106 180 220 320 460 660 scds 2d18hp scds 3d16 52 72 85 105 170 210 295 430 675 scds 4d18 45 75 105 110 155 162 170 200 245 280 320 360 400 480 570 694 800 950 1080 1300 scds 4d28 23.6 27.5 31.3 43.3 49.2 64.8 72.0 100.9 108.9 117.5 128.3 131.6 149.0 166.0 235.0 261.0 331.3 383.7 587.0 624.5 699.0 914.8 1020 1270 1350 1540 scds 5d18 57 76 96 116 124 153 196 210 290 330 386 520 595 665 840 978 1200 scds 5d28 18 24 31 38 45 53 65 76 103 110 122 175 189 212 250 305 355 463 520 scds 6d28 24 27 31 35 54 58 65 70 84 95 128 142 165 210 238 277 304 390 535 scds 6d38 20 24 27 31 34 38 53 57 92 96 109 124 138 150 202 234 324 358 scds 2d11 0.90 0.78 0.60 0.50 0.44 0.35 scds 2d14 1.80 1.65 1.50 1.35 1.20 1.10 1.00 0.95 0.85 0.80 0.70 0.62 scds 2d18ld 0.85 0.75 0.63 0.52 0.43 0.35 0.30 0.24 0.20 scds 2d18hp scds 3d12 1.54 1.32 1.12 0.90 0.72 0.66 0.60 0.57 0.49 0.47 0.41 0.37 0.34 0.30 0.28 0.23 scds 3d16 1.55 1.20 1.10 0.90 0.73 0.55 0.45 0.40 0.32 scds 4d18 1.72 1.32 1.28 1.04 0.88 0.84 0.80 0.76 0.68 0.61 0.56 0.50 0.48 0.41 0.35 0.32 0.30 0.28 0.26 0.24 scds 4d28 2.56 2.20 2.04 1.60 1.57 1.44 1.32 1.17 1.12 1.04 1.00 0.84 0.76 0.75 0.70 0.58 0.56 0.50 0.48 0.41 0.35 0.32 0.29 0.27 0.24 0.22 scds 5d18 1.95 1.40 1.25 1.20 1.10 0.97 0.85 0.80 0.75 0.65 0.57 0.54 0.50 0.43 0.41 0.36 scds 5d28 2.60 2.40 220 1.90 1.80 1.60 1.30 1.20 1.10 1.00 0.90 0.85 0.75 0.70 0.62 0.58 0.52 0.46 0.42 scds 6d28 3.00 2.60 2.40 2.25 2.10 1.85 1.70 1.55 1.40 1.32 1.20 1.05 0.97 0.86 0.80 0.73 0.65 0.60 0.54 scds 6d38 3.50 2.90 2.50 2.30 2.20 2.00 1.70 1.60 1.50 1.30 1.20 1.10 1.00 0.95 0.85 0.75 0.70 0.65 scds 3d12 40.1 r 30% 63.5 r 30% 83.5 r 30% 122 r 30% 172 r 30% 191 r 30% 218 r 30% 255 r 30% 408 r 30% 462 r 30% 502 r 30% 573 r 30% 801 r 30% 1207 r 30% 1358 r 30% 1911 r 30% under development under development ? test freq.(l): scds3d12/3d16:(100khz/0.1v) scds4d18: 1.0 ~ 8.2 p h(7.96mhz/1v), 10 ~ 39 p h(100khz/1v) scds2d11/2d14/2d18ld/4d28/104r/124: (100khz/1v) scds5d18/5d28/6d28: (10khz/1v) scds6d38: (10khz/0.1v) scds62: 3.3 ~ 8.2 p h(7.96mhz/1v), 10~82 p h(2.52mhz/1v), 100 ~ 330 p h(1khz/1v) ? scds3d12 rated current : it makes rated current either when the value with 30% declining inductance or the generation of heat becomes 30% near value by the rising one above another of thedirect current. ? other type rated current : the rate current indicastes the current when the inductance decreases to 65%. over of it's nominal value or d.c.current when the temperature rising ' t =40oc lower, whichever is lower. ? test instrument :l : hp4192a lf impedance analyzer rdc : chen hwa 502bc rated current: hp4284+42841a or ch1061+ch301a tolerance of inductors ? scds2d11 1.5~10 p h r 30%(t) ? scds2d14 1.5~12 p h r 30%(t) ? scds2d18ld 2.2~4.7 p h r 30%(t) ? scds3d12 1.0~39 p h r 30%(t) ? scds3d16 1.5~33 p h r 30%(t) ? scds4d18 1.0~68 p h r 30%(t) ? scds4d28 1.2~180 p h r 30%(t) ? scds5d18 4.1~100 p h r 30%(t) ? scds5d28 2.5~100 p h r 30%(t) ? scds6d28 3.0~100 p h r 30%(t) ? scds6d38 3.3~100 p h r 30%(t)
typical electrical characteristics curves of scd series test instruments : hp4291a impedance / material analyzer scds62, inductance vs. frequency characteristics 0 100 50 150 250 200 300 1 1000 10000 100 10 100000 frequency (khz) l (uh) 10uh 180uh 47uh scds64, inductance vs. frequency characteristics 0 500 1500 1000 2000 l (uh) 1 1000 100 10 10000 frequency (khz) 100uh 330uh 560uh 0 400 300 200 100 500 600 700 0 0.4 0.6 0.8 0.2 1 idc (a) l (uh) scds64, inductance vs. idc characteristics 100uh 560uh 330uh scds73, inductance vs. frequency characteristics 1 1000 10000 100 10 100000 l (uh) 0 100 200 300 400 frequency (khz) 47uh 180uh 100uh scds74, inductance vs. frequency characteristics l (uh) 0 500 1000 3000 2000 1500 2500 1 1000 100 10 10000 frequency (khz) 68uh 1000uh 470uh 0 800 600 400 200 1000 1200 1400 0 0.6 0.8 1 1.2 1.6 1.4 0.2 0.4 1.8 idc (a) l (uh) scds74, inductance vs. idc characteristics 68uh 1000uh 470uh scds73, inductance vs. idc characteristics 0 50 100 150 200 250 0 1.8 idc (a) l (uh) 0.6 0.8 1 1.2 1.6 1.4 0.2 0.4 47uh 180uh 100uh scds62, inductance vs. idc characteristics 0 200 150 100 50 250 0 1.5 2 2.5 3 3.5 0.5 1 4 idc (a) l (uh) 10uh 180uh 47uh
typical electrical characteristics curves of scd series test instruments : hp4291a impedance / material analyzer scds124, inductance vs. frequency characteristics scds104r-220ms, inductance vs. frequency characteristics 1 100 10 1000 l (uh) l (uh) 0 400 200 600 800 1000 frequency (khz) frequency (khz) 10uh 270uh 68uh scds124, inductance vs. idc characteristics 0 50 100 150 200 300 250 1 9 13 17 5 7 11 15 319 idc (a) l (uh) l (uh) 10uh 270uh 68uh scds125, inductance vs. frequency characteristics 1 1000 10000 100 10 100000 l (uh) 0 200 100 300 400 frequency (khz) 10uh 220uh 47uh scds127, inductance vs. frequency characteristics 1 1000 10000 100 10 100000 l (uh) 0 4 2 6 8 10 frequency (khz) 1.2uh 7.6uh 4.7uh scds127, inductance vs. idc characteristics 0 2 4 6 8 10 0101520 525 idc (a) l (uh) 1.2uh 7.6uh 4.7uh scds125, inductance vs. idc characteristics 0 100 200 300 046810 212 idc (a) l (uh) 10uh 220uh 47uh 0 40 60 80 100 0.001 0.01 0.1 1 10 100 scds104r-220m-s 0 5 10 15 20 25 012345 rated current(a) 20
scds series reliability test 1-1 mechanical performance no. item specification test conditions 1-1-1 vibration appearance : no damage test device shall be soldered on the substrate. l change : within r 10% oscillation frequency : 10 to 55 to 10hz for 1min. q change : within r 30% amplitude : 1.5mm rdc : within specification time : 2hrs. for each axis (x, y & z), total 6hrs. 1-1-2 resistance to appearance : no damage pre-heating : 150 q c, 1min. soldering heat solder composition : sn/pb = 63/37 solder temperature : 260 r 5 q c immersion time : 10 r 1sec. 1-1-3 solderability the electrodes shall be at least 90% covered pre-heating : 150 q c, 1min. with new solder coating. solder composition : sn/pb = 63/37 solder temperature : 230 r 5 q c immersion time : 4 r 1sec. 1-2 environmental performance no. item specification test conditions 1-2-1 temperature shock appearance : no damage 10 cycles (air to air) 1 cycles shall consist of : l change : within r 10% 30min. exposure to -55 q c l change : within r 30% 30min. exposure to -125 q c rdc : within specification 15sec. max. transition between temperatures measured after exposure in the room condition for 24hrs. 1-2-2 temperature cycle one cycle step temperature ( q c) time (min.) 1 -25 r 330 2 25 r 23 3 85 r 330 4 25 r 23 total : 100 cycles measured after exposure in the room condition for 24hrs. 1-2-3 humidity resistance temperature : 40 r 2 q c relative humidity : 90 ~ 95% time : 1000hrs. measured after exposure in the room condition for 24hrs. 1-2-4 high temperature temperature : 85 r 3 q c resistance relative humidity : 20% applied current : rated current time : 1000hrs. measured after exposure in the room condition for 24hrs. 1-2-5 low temperature temperature : -25 r 3 q c resistance relative humidity : 0% time : 1000hrs. measured after exposure in the room condition for 24hrs.
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