specifcations subject to change without notice. high-reliability air core inductors air core inductors document ms107-1 revised 09/08/11 srf dcr l 2 percent q 3 min 4 max 5 imax weight part number 1 turns (nh) tol min (ghz) (mohm) (a) (mg) ms439rat2n5ksz 1 2.5 10 145 12.5 1.1 4 31 ms439rat5n0_sz 2 5.0 5,2 140 6.5 1.8 4 42 ms439rat8n0_sz 3 8.0 5,2 140 5.0 2.6 4 52 ms439rat13n_sz 4 12.5 5,2 137 3.3 3.4 4 65 ms439rat19n_sz 5 18.5 5,2 132 2.5 3.9 4 78 ms470rat18n_sz 6 17.5 5,2 100 2.2 4.5 4 100 ms470rat22n_sz 7 22.0 5,2 102 2.1 5.2 4 110 ms470rat28n_sz 8 28.0 5,2 105 1.8 6.0 4 118 ms470rat36n_sz 9 35.5 5,2 112 1.5 6.8 4 133 ms470rat43n_sz 10 43.0 5,2 106 1.2 7.9 4 147 1. when ordering, please specify tolerance and testing codes: ms470rat43n gsz 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 150 mhz on an agilent/hp 4286a or equivalent with a coilcraft smd-a test fxture and correlation. 3. q measured at 150 mhz on an agilent/hp 4291a or equivalent with a 16193a test fxture or equivalent. 4. srf measured on an agilent/hp 8753es network analyzer or equivalent with a coilcraft ccf1268 test fxture. parts with srf >5 ghz are verifed to >5 ghz in screening 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. terminations tin-lead (63/37) over copper. ambient temperature C55c to +125c with imax current, +125c to +155c with derated current storage temperature component: C55c to +155c. 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) enhanced crush-resistant packaging ms439rat: 700/7 reel plastic tape: 12 mm wide, 0.32 mm thick, 8 mm pocket spacing, 3.3 mm pocket depth ms470rat: 500/7 reel; plastic tape: 16 mm wide, 0.28 mm thick, 8 mm pocket spacing, 3.4 mm pocket depth pcb washing only pure water or alcohol recommended dimensions are in inches mm ms439rat ms470rat small air core inductors feature high q and tight tolerance. high temperature materials allow operation in ambient temperatures up to 155c. tin-lead (sn-pb) terminations ensure the best possible board adhesion. 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. air core inductors document ms107-2 revised 09/08/11 ms439rat / ms470rat air core inductors typical current derating l vs frequency C ms439rat l vs frequency C ms470rat q vs frequency C ms439rat q vs frequency C ms470rat 25 20 15 10 5 0 60 55 50 45 40 35 30 25 20 15 10 100 100 200 200 400 400 600 600 1000 1000 inductance (nh) inductance (nh) frequency (mhz) frequency (mhz) 17.5 nh 22.0 nh 28.0 nh 35.5 nh 43.0 nh 2.5 nh 5.0 nh 8.0 nh 12.5 nh 18.5 nh 220 210 200 190 180 170 160 150 140 130 135 130 125 120 115 110 105 100 95 90 100 100 200 200 400 400 600 600 1000 1000 q factor q factor frequency (mhz) frequency (mhz) 28.0 nh 35.5 nh 43.0 nh 22.0 nh 17.5 nh 18.5 nh 12.5 nh 8.0 nh 5.0 nh 2.5 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 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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