high-reliability chip inductors ml450raa 1812 chip inductors this robust version of coilcrafts standard 1812cs series features high temperature materials that allow operation in ambient temperatures up to 155c. inductance 2 percent srf min 4 dcr max 5 imax part number 1 (h) tolerance q min 3 (mhz) (ohms) (ma) ml450raa102jlz 1.0 @ 7.9 mhz 5,2,1 59 @ 50 mhz 260 1.1 530 ml450raa122jlz 1.2 @ 7.9 mhz 5,2,1 54 @ 50 mhz 230 1.2 480 ml450raa152_lz 1.5 @ 7.9 mhz 5,2,1 57 @ 50 mhz 210 1.6 430 ml450raa182jlz 1.8 @ 7.9 mhz 5,2,1 57 @ 50 mhz 190 2.0 380 ml450raa222jlz 2.2 @ 7.9 mhz 5,2,1 52 @ 50 mhz 170 2.2 340 ml450raa272jlz 2.7 @ 7.9 mhz 5,2,1 53 @ 50 mhz 160 3.2 300 ml450raa332jlz 3.3 @ 7.9 mhz 5,2,1 53 @ 50 mhz 145 3.8 270 ml450raa392_lz 3.9 @ 7.9 mhz 5,2,1 53 @ 50 mhz 130 5.0 240 ML450RAA472JLZ 4.7 @ 7.9 mhz 5,2,1 32 @ 10 mhz 115 5.4 230 1. when ordering, please specify tolerance and testing codes: ml450raa333jlz tolerance: f = 1% g = 2% j = 5% testing: z = cots h = screening per coilcraft cp-sa-10001 n = screening per coilcraft cp-sa-10003 2. inductance measured using a coilcraft smd-a fxture in an agilent/ hp 4286 impedance analyzer or equivalent with coilcraft-provided correla- tion pieces. 3. q measured at the same frequency as inductance using an agilent/ hp 4291a with an agilent/hp 16197 test fxture or equivalents. 4. srf measured using an agilent/hp 8753es network analyzer or equiva- lent and a coilcraft smd-d test fxture. 5. dcr measured on a keithley 580 micro-ohmmeter or equivalent and a coilcraft ccf859 test fxture. 6. electrical specifcations at 25c. refer to doc 362 soldering surface mount components before soldering. ? higher srf values than 1812 size parts with ferrite cores ? 2% and 1% tolerances for all values ? 9 inductance values from 1.0 to 4.7 h core material ceramic terminations silver-palladium-platinum-glass frit weight: 109 C 128 mg ambient temperature C55c to +140c with i max current, +140c 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) +25 to +155 ppm/c moisture sensitivity level (msl) 1 (unlimited foor life at <30c / 85% relative humidity) enhanced crush-resistant packaging 600 per 7 reel plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 3.7 mm pocket depth document ml105-1 revised 11/06/12 ? ? coilcraft, inc. 2012 1102 silv er lak e road car y, il 60013 phone 800-981-0363 fa x 847-639-1508 email c ps@coilcraft.com www . coilcraft-cps . com this pr oduct may not be used in medical or hig h risk applications without prior coilcraft appr oval. specifications subject to change without notice. please check our web site for latest infor mation.
ml450raa series (1812) 1812 chip inductors document ml105-2 revised 11/06/12 typical q vs frequency typical l vs frequency a max b max c max d 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 4,95 3,81 3,43 1,78 2,54 0,64 3,25 3,05 1,14 3,00 -40 -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 current derating i i j h a b ov erall f g e ter minal f c d te r minal wraparound: appro x 0.007/0,18 both ends suggested land p attern 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 inductance (h) 11 0 1000 100 frequenc y (mhz) 1.0 h 1.5 h 2.2 h 3.3 h 4.7 h 0 10 20 30 40 50 60 70 80 90 100 q f actor 11 0 1.0 h 1.5 h 2.2 h 3.3 h 4.7 h 1000 100 frequenc y (mhz) ? ? coilcraft, inc. 2012 1102 silv er lak e road car y, il 60013 phone 800-981-0363 fa x 847-639-1508 email c ps@coilcraft.com www . coilcraft-cps . com this pr oduct may not be used in medical or hig h risk applications without prior coilcraft appr oval. specifications subject to change without notice. please check our web site for latest infor mation.
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