? coilcraft, inc. 2005 specifications subject to change without notice. please check our website for latest information. smt power inductors - spt series document 280-1 document 280-1 revised 10/17/02 1 l (0a) 2 l 2 typ 3 dcr max 3 srf typ 4 i i i i i dc body part number 1 20% (h) (h) ( mohm) (mhz) (a) size standard series spt20l-112mx_ 1.1 1.01 16.0 360 3.4 1 spt38l-382mx_ 3.8 2.5 9.3 133 8.0 3 spt30l-522mx_ 5.2 3.8 19.9 60 4.8 2 spt20l-702mx_ 7.0 6.2 95.0 70 1.4 1 spt38l-752mx_ 7.5 5.1 18.7 73 5.4 3 spt44l-792mx_ 7.9 4.9 16.2 49 7.8 4 spt30l-123mx_ 12 9.4 47.2 33 2.8 2 spt44l-143mx_ 14 9.0 23.6 20 5.5 4 spt50l-163mx_ 16 9.3 19.7 19 7.2 5 spt38l-223mx_ 22 16.2 63 34 2.7 3 spt20l-233mx_ 23 17.6 320 21 1.0 1 spt50l-263mx_ 26 16.1 32 9.2 5.1 5 spt30l-353mx_ 35 29.7 166 12.0 1.4 2 spt44l-413mx_ 41 29.1 85 9.5 2.7 4 spt38l-733mx_ 73 58.1 290 5.0 1.3 3 spt50l-733mx_ 73 50 133 14.0 2.6 5 spt30l-174mx_ 170 114 640 3.3 0.94 2 spt38l-294mx_ 290 192 657 2.3 0.90 3 spt38l-674mx_ 670 383 1200 1.2 0.72 3 spt44l-115mx_ 1100 670 1908 0.73 0.70 4 spt50l-205mx_ 2000 1070 1932 0.40 0.71 5 high current series spt44h-282mx_ 2.8 1.68 4.6 136 13.9 6 spt44h-422mx_ 4.2 2.5 6.6 72 11.4 6 spt50h-652mx_ 6.5 3.5 7.2 46 12.4 7 spt50h-842mx_ 8.4 4.7 8.5 23 10.4 7 spt68h-113mx_ 11 6.5 8.2 20 14.0 8 spt68h-183mx_ 18 10.0 12.5 9 10.0 8 the spt series is designed for exceptionally high current handling in a low profile surface mount part. the self-leaded design ensures rugged reliability and the toroid winding virtually eliminates stray electromagnetic emissions. there are two versions: the standard series with current ratings up to 8 amps, and the high current series that can handle up to 13.9 amps. all are rated for operation from ? 40 to +130c and the materials meet ul 94v-0 rating. in addition to the standard values shown, coilcraft can custom engineer parts for specific applications. for free evaluation samples, contact coilcraft or request them on the web at www.coilcraft.com. 1. when ordering, please specify packaging code: spt20l-112mx d d = 13 ? machine-ready reel eia-481 embos sed 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. inductance with i dc current applied tested at 100 khz, 0.1 vrms on agilent/hp 4284a. 4. srf measured on agilent/hp 8753es network analyzer. 5. operating temperature range ? 40c to +130c. 6. electrical specifications at 25c. for packaging data see tape and reel specifica- tions section
? coilcraft, inc. 2005 specifications subject to change without notice. please check our website for latest information. document 280-2 document 280-2 revised 12/16/04 recommended land pattern b max c max a max d f e g 0.005 / 0,13 mm c max b max d recommended land pattern f g e a max 0.005 / 0,13 mm 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 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 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 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 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 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 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 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 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 typical l vs current (high current series) unless specified, tolerance is 0.009/0,25 1. 0.015/0,38 2. 0.005/0,13 0.01 0.1 110 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 20 18 16 14 12 10 8 6 4 2 0 current (a) inductance (h) spt44h-282 spt44h-422 spt50h-652 spt50h-842 spt68h-113 spt68h-183 terminations: tin/silver over copper
? coilcraft, inc. 2005 specifications subject to change without notice. please check our website for latest information. document 280-3 document 280-3 revised 4/18/02 smt power inductors - spt series 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) 70 60 50 40 30 20 10 0 temperature rise (c) temperature rise (c) temperature rise (c) temperature rise (c) spt50l-163 spt50l-263 spt50l-205 spt50l-733 0 12 3 4 56 7 8910 current (a) 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) spt38l-294 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) 70 60 50 40 30 20 10 0 temperature rise (c) temperature rise (c) temperature rise (c) temperature rise (c) 0 12 3 4 56 7 8910 current (a) spt20l-112 spt20l-702 spt20l-233 70 60 50 40 30 20 10 0 0 24 10 6 12 81416 current (a) spt44h-422 spt44h-282 70 60 50 40 30 20 10 0 0 24 10 6 12 81416 current (a) spt50h-842 spt50h-652 70 60 50 40 30 20 10 0 0 24 10 6 12 81416 current (a) spt68h-183 spt68h-113 typical temperature rise vs current* * measured at 25c ambient.
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