specifcations subject to change without notice. please check our website for latest information. high-reliability air core inductors air core inductors document ms404-1 revised 09/08/11 inductance 2 percent q srf min 3 dcr max 4 i max wt part number 1 turns (nh) tolerance min 2 (ghz) (mohm) (a) (mg) ms426rat5n5_sz 3 5.5 5,2 115 5.0 2.6 4.0 52 ms426rat9n0_sz 4 9.0 5,2 120 4.0 3.4 4.0 65 ms426rat13n_sz 5 13.0 5,2 100 3.0 3.9 4.0 78 ms446rat16n_sz 7 16.0 5,2 110 3.0 5.2 4.0 110 ms446rat18n_sz 8 18.0 5,2 110 2.9 6.0 4.0 118 ms446rat23n_sz 9 23.0 5,2 110 2.6 6.8 4.0 133 ms446rat27n_sz 10 27.0 5,2 110 2.3 7.9 4.0 147 only 2 mm tall high q over a wide range of frequencies low dcr and excellent current handling capability high temperature materials allow operation in ambient temperatures up to 155c. tin-lead (sn-pb) terminations ensure the best possible board adhesion terminations tin-lead (63/37) over copper ambient temperature C55c to +125c with i max current, +125c to +155c with derated current storage temperature component: C55c to +155c. tape and reel packaging: C55c 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) enhanced crush-resistant packaging 1000 per 7 reel plastic tape: 2 mm wide, 0.23 mm thick, 8 mm pocket spacing, 2.2 mm pocket depth ms426rat ms446rat 1. when ordering, specify tolerance and testing codes: ms446rat27n g s z tolerance: g = 2% j = 5% testing: z = cots h = screening per coilcraft cp-sa-10001 n = screening per coilcraft cp-sa-10003 2. inductance measured at 250 mhz on an agilent/hp 4286a or equiva - lent with a coilcraft smd-a test fxture and correlation. 3. q measured at 250 mhz on an agilent/hp 4291a or equivalent with a 16193a test fxture or equivalent. 4. srf measured on an agilent/hp 8753es or equivalent with a coilcraft ccf1268 test fxture. 5. dcr measured on a keithley 580 micro-ohmmeter or equivalent. 6. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2011
specifcations subject to change without notice. please check our website for latest information. air core inductors document ms404-2 revised 09/08/11 ms426rat / ms446rat low profle air core inductors typical l vs frequency typical q vs frequency typical current derating dimensions are in inches mm 11 0 100 10000 1000 frequency (mhz ) 0 250 275 300 225 200 175 150 125 100 75 50 25 q factor 13.0 nh 16.0 nh 18.0 nh 23.0 nh 27.0 nh 11 0 100 1000 10000 frequency (mhz ) 0 50 45 40 35 30 25 20 15 10 5 inductance (nh ) 13.0 nh 16.0 nh 18.0 nh 23.0 nh 27.0 nh -40 -55 -20 02 04 06 08 0 100 160 140 120 ambient temperature (c) pe r cent of rated rms i 120 110 100 90 80 70 60 50 40 30 20 10 0 25c 426 446 426 446 1102 silv er lak e road car y il 60013 phone fa x 800-981-0363 847-639-1508 e-mail we b cps@coilcraft.com www .coilcraft-cps .com ? ? coilcraft, inc. 2011
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