? coilcraft, inc. 2010 specifications subject to change without notice. please check our website for latest information. chip inductors C 1812ls series (4532) document 106-1 document 106-1 revised 10/06/08 inductance 2 percent q test freq srf typ 4 dcr max 5 i rms 6 part number 1 (h) tolerance min 3 (mhz) (mhz) (ohms) (ma) 1812ls-123xjl_ 12 5 42 2.5 85 2.0 310 1812ls-153xjl_ 15 5 42 2.5 70 2.5 290 1812ls-183xjl_ 18 5 45 2.5 52 2.8 270 1812ls-223xjl_ 22 5 45 2.5 58 3.2 260 1812ls-273xjl_ 27 5 45 2.5 46 3.6 240 1812ls-333xjl_ 33 5 45 2.5 40 4.0 230 1812ls-393xjl_ 39 5 45 2.5 30 4.5 210 1812ls-473xjl_ 47 5 42 2.5 24 5.0 200 1812ls-563xjl_ 56 5 42 2.5 20 5.5 190 1812ls-683xjl_ 68 5 40 2.5 16 6.0 180 1812ls-823xjl_ 82 5 40 2.5 13.5 7.0 170 1812ls-104xjl_ 100 5 40 2.5 12.0 8.0 150 1812ls-124xjl_ 120 5 33 0.79 14.5 11.5 135 1812ls-154xjl_ 150 5 36 0.79 11.5 13.0 125 1812ls-184xjl_ 180 5 36 0.79 9.3 14.2 120 1812ls-224xjl_ 220 5 38 0.79 7.6 16.2 115 1812ls-274xjl_ 270 5 38 0.79 8.3 20.5 105 1812ls-334xjl_ 330 5 38 0.79 7.0 22.5 100 1812ls-394xjl_ 390 5 38 0.79 5.2 24.5 90 1812ls-474xjl_ 470 5 38 0.79 4.4 26.5 85 1812ls-564xjl_ 560 5 33 0.79 2.8 28.5 75 1812ls-684xjl_ 680 5 33 0.79 2.3 38.0 60 1812ls-824xjl_ 820 5 30 0.79 2.1 41.0 55 1812ls-105xjl_ 1000 5 30 0.79 1.9 44.0 50 1. when ordering, please specify termination and packaging codes: 1812ls-105xj lc termination: l = rohs compliant silver-palladium-platinum-glass frit. special order: t = rohs tin-silver-copper (95.5/4/0.5) or s = non-rohs tin-lead (63/37). packaging: c =7 machine-ready reel. eia-481 embossed plastic tape (600 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 per full reel). 2. inductance at 2.5 mhz measured using an agilent/hp 4286a and a coilcraft smd-a fixture with coilcraft-provided correlation pieces. inductance at 0.79 mhz measured using an agilent/hp 4192a and coilcraft smd-b test fixture. 3. q read at test frequency directly on an agilent/hp 4192a lf impedance analyzer and a coilcraft smd-b test fixture. 4. srf measured using an agilent/hp 8753d network analyzer and a coilcraft smd-d test fixture. 5. dcr measured on a cambridge technology micro-ohmmeter. 6. current that causes a 15c temperature rise from 25c ambient. because of their open construction, these parts will not saturate. 7. electrical specifications at 25c. refer to doc 362 ?soldering surface mount components? before soldering. see color coding section for part marking data. ? highest inductance values of all our chip inductors ? ferrite construction for high current handling ? inductance values: 12 ? 1000 h request free evaluation samples by contacting coilcraft or visiting www.coilcraft.com.
? coilcraft, inc. 2010 1812ls (4532) chip inductors specifications subject to change without notice. please check our website for latest information. document 106-2 document 106-2 revised 10/06/08 abcd max max max ref e f g h i j 0.195 0.150 0.135 0.070 0.100 0.025 0.128 0.120 0.045 0.118 inches 4,95 3,81 3,43 1,78 2,54 0,64 3,25 3,05 1,14 3,00 mm i i j h a b overall f g e terminal f c d terminal wraparound: approx 0.015/0,38 both ends recommended land pattern pick and place material typical q vs frequency typical l vs current 10000 1000 100 10 1 inductance (h) 10 dc current (ma) 100 1000 1000 h 330 h 100 h 33 h 12 h frequency (mhz) q factor 0.1 60 50 40 30 20 10 0 0.2 0.3 0.4 0.6 1 2 4 5 38 610 0.79 mhz 2.5 mhz 1000 h 560 h 82 h 270 h 33 h 18 h 12 h irms derating -40 -20 0 20 40 60 80 100 120 ambient temperature (c) 120 110 100 90 80 70 60 50 40 30 20 10 0 percent of rated rms i 25c designer?s kit c314 contains 10 of each value core material ferrite terminations rohs compliant silver-palladium-platinum-glass frit. other terminations available at additional cost. weight 142 ? 171 mg ambient temperature ?40c to +85c with i rms current, +85c to +100c with derated current storage temperature component: ?40c to +100c. packaging: ?40c to +80c resistance to soldering heat max three 40 second reflows at +260c, parts cooled to room temperature between cycles temperature coefficient of inductance (tcl) +200 to +700 ppm/c moisture sensitivity level (msl) 1 (unlimited floor life at <30c / 85% relative humidity) failures in time (fit) / mean time between failures (mtbf) one per billion hours / one billion hours, calculated per telcordia sr-332 packaging 600/7 reel; 2200/13 reel. plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth pcb washing only pure water or alcohol recommended
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