? coilcraft, inc. 2011 specifications subject to change without notice. please check our website for latest information. smt power inductors C spt series document 280-1 document 280-1 revised 01/04/11 l 2 dcr srf i sat (a) 4 i rms (a) 5 20% max typ 3 10% 20% 30% 20c 40c body part number 1 (h) (mohm) (mhz) drop drop drop rise rise size standard series spt20l-112ml_ 1.1 16.0 130 3.2 4.8 6.7 4.7 6.1 1 spt38l-382ml_ 3.8 9.3 61 4.0 6.1 8.2 6.5 8.5 3 spt30l-522ml_ 5.2 24.2 47 2.8 4.2 5.8 4.2 5.7 2 spt20l-702ml_ 7.0 95.0 37 1.2 1.8 2.5 1.8 2.2 1 spt38l-752ml_ 7.5 22.8 50 2.7 4.2 5.8 4.4 6.5 3 spt44l-792ml_ 7.9 16.2 26 3.5 5.4 7.3 5.6 7.5 4 spt30l-123ml_ 12 54.7 23.9 1.9 2.8 3.7 2.5 3.3 2 spt44l-143ml_ 14 23.6 15.6 2.8 4.1 5.7 4.2 5.7 4 spt50l-163ml_ 16 19.7 14.3 2.8 4.2 5.8 5.1 7.1 5 spt38l-223ml_ 22 63 18.1 1.5 2.3 3.1 3.1 3.8 3 spt20l-233ml_ 23 320 13.5 0.6 1.0 1.3 0.71 1.0 1 spt50l-263ml_ 26 32 11.2 2.3 3.4 4.6 4.3 6.0 5 spt30l-353ml_ 35 166 11.0 1.1 1.6 2.2 1.3 1.6 2 spt44l-413ml_ 41 85 8.30 1.6 2.3 3.1 2.3 3.1 4 spt38l-733ml_ 73 290 10.8 0.81 1.3 1.7 1.1 1.5 3 spt50l-733ml_ 73 133 4.56 1.4 2.0 2.7 2.6 3.5 5 spt30l-174ml_ 170 640 3.84 0.44 0.68 0.95 0.70 0.88 2 spt38l-294ml_ 290 657 2.87 0.41 0.64 0.90 0.70 1.0 3 spt50l-564ml_ 560 550 1.54 0.37 0.59 0.81 0.70 0.90 5 spt38l-674ml_ 670 1200 1.38 0.26 0.40 0.55 0.48 0.65 3 spt44l-115ml_ 1100 1908 1.35 0.25 0.41 0.57 0.57 0.63 4 spt50l-205ml_ 2000 1932 1.35 0.18 0.29 0.41 0.56 0.70 5 high current series spt44h-282ml_ 2.8 4.6 74 5.8 8.8 12.2 9.7 13.6 6 spt44h-422ml_ 4.2 6.6 61 5.0 7.8 10.9 8.8 11.8 6 spt50h-652ml_ 6.5 7.2 27.3 4.6 6.7 9.1 8.6 11.7 7 spt50h-842ml_ 8.4 8.5 22.8 4.3 6.4 8.5 7.1 9.8 7 spt68h-113ml_ 11 8.2 25.9 4.8 7.2 9.9 8.3 11.2 8 spt68h-183ml_ 18 12.5 12.0 3.9 5.7 7.7 6.8 9.2 8 1. please specify termination and packaging codes: spt20l-112m ld termination: l = rohs compliant tin-silver over copper. special order: t = rohs tin-silver-copper (95.5/4/0.5) or s = non-rohs tin-lead (63/37). packaging: d = 13 machine-ready reel eia-481 embossed plastic tape. body size 1: 750 per full reel. body sizes 2?3: 350 per full reel. body size 4: 300 per full reel. body sizes 5?6: 250 per full reel. body sizes 7?8: 200 per full reel. b = less than full reel in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter d instead. 2. inductance tested at 100 khz, 0.1 vrms on agilent/hp 4192a. 3. srf measured on agilent/hp 8753es network analyzer. 4. dc current that causes the specified inductance drop from its value without current. 5. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. core material powered iron core and winding loss see www.coilcraft.com/coreloss terminations rohs compliant tin-silver over copper. other terminations available at additional cost. ambient temperature ?40c to +85c maximum part temperature: the part temperature should not exceed +85c (ambient + self-heating). prolonged operation above +85c may result in a permanent increase in core loss and part failure due to thermal aging of the core material. storage temperature component: ?40c to +85c. packaging: ?40c to +80c resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited floor life at <30c / 85% relative humidity) failures in time (fit) / mean time between failures (mtbf) 38 per billion hours / 26,315,789 hours, calculated per telcordia sr-332 pcb washing only pure water or alcohol recommended ? toroid winding eliminates stray electromagnetic emissions ? two versions: standard, current ratings up to 8 amps; high current, with ratings up to 12.2 amp
? coilcraft, inc. 2011 specifications subject to change without notice. please check our website for latest information. document 280-2 document 280-2 revised 01/04/11 recommended land pattern b max c max a max dash number internal code d f e g 0.005 / 0,13 mm 123 ccc xxxx c max b max d recommended land pattern f g e a max 0.005 / 0,13 mm dash number internal code spt44h-123 ccc xxxx body size 1 - 5 body size 6 - 8 smt power inductors - spt series typical l vs current (standard series) size a max b max c max d 1 e 2 f 2 g weight (g) 1 0.34/ 8,64 0.34/ 8,64 0.28/ 7,00 0.26/ 6,60 0.30/ 7,62 0.27/ 6,86 0.06/ 1,52 0.47 ? 0.54 2 0.44/ 11,05 0.44/ 11,18 0.37/ 9,50 0.35/ 8,89 0.40/ 10,16 0.36/ 9,14 0.06/ 1,52 1.42 ? 1.59 3 0.56/ 14,22 0.56/ 14,35 0.37/ 9,50 0.45/ 11,43 0.52/ 13,21 0.46/ 11,68 0.06/ 1,52 2.73 ? 3.34 4 0.59/ 14,99 0.61/ 15,62 0.41/ 10,50 0.50/ 12,70 0.55/ 13,97 0.51/ 12,95 0.06/ 1,52 3.57 ? 4.08 5 0.67/ 17,02 0.70/ 17,78 0.41/ 10,50 0.58/ 14,73 0.62/ 15,75 0.59/ 14,99 0.06/ 1,52 5.19 ? 5.97 6 0.66/ 16,89 0.66/ 16,89 0.41/ 10,50 0.56/ 14,22 0.49/ 12,45 0.57/ 14,48 0.08/ 2,03 4.23 ? 4.48 7 0.74/ 18,80 0.74/ 18,80 0.41/ 10,50 0.63/ 16,00 0.56/ 14,22 0.64/ 16,26 0.08/ 2,03 6.18 ? 6.53 8 0.94/ 23,88 0.94/ 23,88 0.41/ 10,50 0.82/ 20,83 0.70/ 17,78 0.83/ 21,08 0.08/ 2,03 11.12 ? 11.63 typical l vs current (high current series) 0.01 0.1 1 10 0.1 1 10 100 1000 10000 inductance (h) current (a) spt38l-674 spt20l-112 spt38l-752 spt38l-223 spt30l-174 spt50l-205 0.1 1 10 100 current (a) inductance (h) spt44h-282 spt44h-422 spt50h-652 spt50h-842 spt68h-113 spt68h-183 20 18 16 14 12 10 8 6 4 2 0 terminations: tin-silver over copper dimensions are in inches / mm . unless specified, tolerance is 0.009/0,25. 1. 0.015/0,38 2. 0.005/0,13
? coilcraft, inc. 2011 specifications subject to change without notice. please check our website for latest information. document 280-3 document 280-3 revised 01/04/11 smt power inductors - spt series 70 60 50 40 30 20 10 0 temperature rise (c) spt50l-163 spt50l-263 spt50l-205 spt50l-733 0 12 3 4 56 7 8910 current (a rms) 70 60 50 40 30 20 10 0 spt30l-522 spt30l-123 spt30l-174 spt30l-353 0 12 3 4 56 7 8910 current (a rms) temperature rise (c) 70 60 50 40 30 20 10 0 spt38l-382 spt38l-752 spt38l-223 spt38l-674 spt38l-733 0 12 3 4 56 7 8910 current (a rms) temperature rise (c) 70 60 50 40 30 20 10 0 spt44l-792 spt44l-143 spt44l-115 spt44l-413 0 12 3 4 56 7 8910 current (a rms) spt38l-294 temperature rise (c) 70 60 50 40 30 20 10 0 temperature rise (c) 0 12 3 4 56 7 8910 current (a rms) spt20l-112 spt20l-702 spt20l-233 temperature rise (c) 70 60 50 40 30 20 10 0 0 24 10 6 12 81416 current (a rms) spt44h-422 spt44h-282 temperature rise (c) 70 60 50 40 30 20 10 0 0 24 10 6 12 81416 current (a rms) spt50h-842 spt50h-652 temperature rise (c) 70 60 50 40 30 20 10 0 0 24 10 6 12 81416 current (a rms) spt68h-183 spt68h-113 typical temperature rise vs current* * measured at 25c ambient.
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