midi spring ? air core inductors document 184-1 document 184-1 revised 05/18/12 inductance 2 percent q 4 test freq. srf min 5 dcr max 6 i rms 7 part number 1 (nh) tolerance 3 typ min (mhz) (ghz) (mohm) (a) 1812sms-22n_l_ 22 5,2 135 100 150 3.2 4.2 3.0 1812sms-27n_l_ 27 5,2 135 100 150 2.7 4.0 3.5 1812sms-33n_l_ 33 5,2 130 100 150 2.5 4.8 3.0 1812sms-39n_l_ 39 5,2 135 100 150 2.1 4.4 3.0 1812sms-47n_l_ 47 5,2 135 100 150 2.1 5.6 3.0 1812sms-56n_l_ 56 5,2 125 100 150 1.5 6.2 3.0 1812sms-68n_l_ 68 5,2 120 100 150 1.5 8.2 2.5 1812sms-82n_l_ 82 5,2 120 100 150 1.3 9.4 2.5 1812sms-r10_l_ 100 5,2 115 100 150 1.2 12.3 1.7 1812sms-r12_l_ 120 5,2 125 100 150 1.1 17.3 1.5 1812sms-r15_l_ 150 5,2 145 100 150 0.75 33.0 1.2 1. when ordering, specify tolerance , termination and packaging codes: 1812sms-r12 glc tolerance: g = 2% j = 5% termination: l = rohs compliant tin-silver (96.5/3.5) over copper. 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, 500 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, 2000 parts per full reel. 2. inductance tested at 150 mhz on an agilent/hp 4286a lcr meter or equivalent with a coilcraft smd-a test fxture and correlation. 3. tolerances in bold are stocked for immediate shipment. 4. q tested at 150 mhz on an agilent/hp 4291a impedance analyzer with an agilent/hp 16193 test fxture or equivalents. 5. srf tested on the agilent/hp 8753d network analyzer or equivalent and a coilcraft ccf1248 test fxture. 6. dcr tested on the cambridge technology model 510 micro-ohmmeter or equivalent. 7. current that causes a 15c temperature rise from 25c ambient. 8. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. for part marking data see www.coilcraft.com/colrcode.cfm. weight 0.10 C 0.16 g terminations rohs compliant tin-silver over copper. other termina - tions available at additional cost. ambient temperature C40c to +125c with i rms current, +125c to +140c with derated current storage temperature component: C40c to +140c. packaging: C40c to +80c resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles temperature coeffcient of inductance (tcl) +5 to +70 ppm/c moisture sensitivity level (msl) 1 (unlimited foor 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 500/7 reel; 2000/13 reel plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 4.2 mm pocket depth pcb washing only pure water or alcohol recommended ? air core inductors feature high q and current handling ? acrylic top provides a fat surface for pick and place ? solder coated leads ensure reliable soldering us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2012 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check out web site for latest infor mation.
document 184-2 document 184-2 revised 05/18/12 midi spring ? air core inductors typical l vs frequency typical q vs frequency 0 1 10 frequency (mhz) inductance (nh) 100 1000 10000 22 nh 39 nh 68 nh 120 nh 250 200 150 100 50 1 10 frequenc y ( mhz) q factor 100 1000 10000 22 nh 39 nh 68 nh 120 nh 0 250 200 150 100 50 irms derating -40 -20 02 04 06 08 0 100 140 120 ambient temperature (c) 120 110 100 90 80 70 60 50 40 30 20 10 0 pe r cent of rated rms i 25c dimensions are in inches mm designers it c318 contains 12 each of all 5% values. designers it c318-2 contains12 each of all 2% values. us uk t aiwan china singapore +1-847-639-6400 sales@coilcraft.com +44-1236-730595 sales@coilcraft-eur ope.com +886-2-2264 3646 sales@coilcraft.com.tw +86-21-6218 8074 sales@coilcraft.com.cn + 65-6484 8412 sales@coilcraft.com.sg ? coilcraft inc. 2012 this pr oduct may not be used in medical or high risk applications without prior coilcraft appr oval. specification subject to change without notice. please check out web site for latest infor mation.
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