power chip inductors - 1812ps series document 252-1 specifications subject to change without notice. document 252-1 revised 03/31/03 coilcraft?s new 1812ps series is designed to be an economical alternative to larger and more costly shielded power inductors. only 3,81 mm high, they are ideal for applications requiring magnetic shielding, the smallest possible size and lowest cost. typical uses include notebook comput- ers, pc cards, wireless communication and handheld devices. the specially designed ferrite cover provides magnetic shielding and the best possible surface for pick and place handling. coilcraft designer?s kit c143 contains six samples each of the standard parts shown. to order, contact coilcraft or visit http://order.coilcraft.com . 2 dcr 4 2 srf 5 part 2 l 10% 2 2 q min 3 max typ 2 i sat 6 2 i rms 7 1 number 1 (h) @ 1 mhz (ohms) (mhz) (a) (a) 1812ps-102k_ 1.0 35 0.05 685 2.50 2.70 1812ps-152k_ 1.5 38 0.06 460 2.00 2.60 1812ps-222k_ 2.2 38 0.07 270 1.70 2.40 1812ps-272k_ 2.7 40 0.08 265 1.40 2.30 1812ps-332k_ 3.3 40 0.09 225 1.40 2.30 1812ps-392k_ 3.9 40 0.11 170 1.20 2.20 1812ps-472k_ 4.7 40 0.11 165 1.15 2.10 1812ps-562k_ 5.6 40 0.12 155 1.10 2.10 1812ps-682k_ 6.8 40 0.13 140 1.00 1.90 1812ps-103k_ 10 40 0.17 120 0.90 1.70 1812ps-153k_ 15 40 0.26 100 0.70 1.45 1812ps-223k_ 22 40 0.33 45 0.54 1.20 1812ps-333k_ 33 40 0.40 30 0.46 1.10 1812ps-393k_ 39 48 0.56 30 0.40 1.00 1812ps-473k_ 47 50 0.87 28 0.35 0.80 1812ps-683k_ 68 50 1.08 17 0.32 0.67 1812ps-823k_ 82 55 1.25 17 0.28 0.65 1812ps-104k_ 100 60 1.32 14 0.27 0.65 1812ps-124k_ 120 60 1.45 12 0.23 0.60 1812ps-154k_ 150 60 2.20 11 0.20 0.51 1812ps-224k_ 220 60 2.65 7 0.17 0.47 1812ps-334k_ 330 60 4.85 5.5 0.15 0.31 1812ps-474k_ 470 50 5.85 4.0 0.12 0.31 1812ps-564k_ 560 40 6.10 2.6 0.11 0.28 1812ps-684k_ 680 40 6.60 2.3 0.10 0.28 1812ps-824k_ 820 30 7.35 1.8 0.09 0.25 1812ps-105k_ 1000 28 10.00 1.8 0.08 0.22 1. when ordering, please specify packaging code: 1812ps-105k c packaging: c =7 machine-ready reel. eia-481 embossed plastic tape (600 parts 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 c instead. d =13 machine-ready reel. eia-481 embossed plastic tape. factory order only, not stocked (2200 parts per full reel). 2. inductance measured at 100 khz, 0.1 vrms, using coilcraft smd-a fixture in agilent/hp 4263b impedance analyzer. 3. q measured on agilent/hp 4291 with agilent/hp 16193 test fixture. 4. dcr measured on micro-ohmmeter and coilcraft ccf840 test fixture. 5. srf measured using agilent/hp 8753d network analyzer and coilcraft smd-d test fixture. 6. dc current at which the inductance drops 10% (typ) from its value without current. 7. average current for a 40c rise above 25c ambient. 8. operating temperature range -40c to +85c. 9. electrical specifications at 25c. see qualification standards section for environmental and test data.
document 252-2 specifications subject to change without notice. document 252-2 revised 10/13/03 power chip inductors - 1812ps series typical l vs frequency typical l vs current a max b max c max d ref e ref f ref g 0.231 0.196 0.150 0.107 0.100 0.178 0.025 5,87 4,98 3,81 2,72 2,54 4,52 0,64 a b e g f c d 0.045 1,14 0.118 3,00 0.120 3,05 recommended land pattern weight: 286 ? 323 mg tape and reel: 600/7 reel; 2200/13 reel 12 mm tape width for packaging data see tape and reel specifications section.
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