scope this specification applies to the pb free high current type smd inductors for mscdri-4d18c-series product indentification mscdri - 4d18c - 100 m product code dimensions code inductance code tolerance code (1) shapes and dimensions a: 5.10 max. mm b: 5.10 max. mm c: 2.00 max. mm d: 4.40 typ. mm e: 6.20 max. mm f: 1.40 typ. mm (2) electrical specifications see table 1 test instruments l : hp 4284a precision lcr meter (or equivalent) rdc : chroma model 16502 milliohmmeter (or equivalent) (3) characteristics (3)-1 ambient temperature ......... 60 max. (3)-2 operate temperature range ...... 40 125 (including self temp. rise) (3)-3 storage temperature range ...... 40 125 mscdri-4d18c-series page 1/8 mag.layers
table 1 inductance percent test resistance rated dc current l( h) tolerance frequency rdc( )max. 1.1 n 100khz/0.25v 29m 1r1 1.2 n 100khz/0.25v 29m 1r2 2.2 m,n 100khz/0.25v 39m 2r2 3.0 n 100khz/0.25v 61m 3r0 3.3 n 100khz/0.25v 61m 3r3 4.7 m,n 100khz/0.25v 0.110 4r7 6.8 n 100khz/0.25v 0.125 6r8 10 m,n 100khz/0.25v 0.156 100 15 m,n 100khz/0.25v 0.194 150 22 m,n 100khz/0.25v 0.323 220 33 m,n 100khz/0.25v 0.550 330 47 m,n 100khz/0.25v 0.783 470 68 m,n 100khz/0.25v 1.16 680 100 m,n 100khz/0.25v 1.51 101 specify the inductance tolerance,m( 20%),n( 30%) idc : based on inductance change ( l/lo Q drop 35%) @ ambient temperature : 25 and based on temperature rise ( t 40 typ.) mscdri-4d18c-series page-2/8 mscdri-4d18c-1r2 2.40 0.46 0.41 1.05 mscdri-4d18c-4r7 mscdri-4d18c-3r3 0.305 0.250 0.83 0.70 0.60 idc(a) 1.70 1.50 1.15 1.50 marking maglayers pt/no. mscdri-4d18c-470 mscdri-4d18c-2r2 mscdri-4d18c-1r1 mscdri-4d18c-220 mscdri-4d18c-330 mscdri-4d18c-3r0 2.40 mscdri-4d18c-101 mscdri-4d18c-6r8 mscdri-4d18c-100 mscdri-4d18c-150 mscdri-4d18c-680 mag.layers
(4) reliability test method mechanical test item specification test details substrate bending l/lo Q 5% the sample shall be soldered onto the printed circuit board in figure 1 and a load applied unitil the figure in the arrow there shall be direction is made approximately 3mm.(keep time 30 seconds) no mechanical pcb dimension shall the page 7/9 damage or elec- f(pressurization) trical damege. vibration l/lo Q 5% the sample shall be soldered onto the printed circuit board and when a vibration having an amplitude of 1.52mm there shall be and a frequency of from 10 to 55hz/1 minute repeated should no mechanical be applied to the 3 directions (x,y,z) for 2 hours each. damage. (a total of 6 hours) solderability new solder flux (rosin, isopropyl alcohol{jis-k-1522}) shall be coated more than 90% over the whole of the sample before hard, the sample shall then be preheated for about 2 minutes in a temperature of 130 150 and after it has been immersed to a depth 0.5mm below for 3 0.2 seconds fully in molten solder m705 with a temperature of 245 5 . more than 90% of the electrode sections shall be couered with new solder smoothly when the sample is taken out of the solder bath. page-3/8 mscdri-4d18c-series pressure rod figure-1 mag.layers
mechanical test item specification resistance to there shall be temperature profile of reflow soldering soldering heat no damage or (reflow soldering) problems. the specimen shall be passed through the reflow oven with the condition shown in the above profile for 1 time. the specimen shall be stored at standard atmospheric conditions for 1 hour, after which the measurement shall be made. electrical test item specification test details insulation there shall be dc 100v voltage shall be applied across this sample of top resistance no other surface and the terminal. damage or the insulation resistance shall be more than 1 10 8 . problems. dielectric there shall be ac 100v voltage shall be applied for 1 minute acrosset the top withstand no other surface and the terminal of this sample voltage damage or problems. temperature l/l20 Q 10% the test shall be performed after the sample has stabilized in characteristics 0 2000 ppm/ an ambient temperature of -20 to +85 ,and the value calculated based on the value applicable in a normal temperature and narmal humidity shall be l/l20 Q 10%. page-4/8 mscdri-4d18c-series sodering temperature ( ) soldering (peak temperature 260 3 10 sec slow cooling (stored at room temperature) 30 sec min (230 +0 ) 300 250 200 150 100 50 2 min 10 sec. 2 min. or more pre-heating 150 ~ 180 mag.layers
enviroment characteristics test item specification high temperature l/lo Q 5% the sample shall be left for 96 4 hours in an atmospere with storage a temperature of 85 2 and a normal humidity. there shall be upon completion of the measurement shall be made after the no mechanical sample has been left in a normal temperature and normal damage. humidity for 1 hour. low temperature l/lo Q 5% the sample shall be left for 96 4 hours in an atmosphere with storage a temperature of -25 3 . there shall be upon completion of the test, the measurement shall be made no mechanical after the sample has been left in a normal temperature and damage. normal humidity for 1 hour. change of l/lo Q 5% the sample shall be subject to 5 continuos cycles, such as shown temperature in the table 2 below and then it shall be subjected to standard there shall be atmospheric conditions for 1 hour, after which measurement no other dama- shall be made. ge of problems table 2 temperature duration 25 3 (themostat no.1) standard atmospheric 85 2 (themostat no.2) standard atmospheric moisture storage l/lo Q 5% the sample shall be left for 96 4 hours in a temperature of 40 2 and a humidity(rh) of 90 95%. there shall be upon completion of the test, the measurement shall be made no mechanical after the sample has been left in a normal temperature and damage. normal humidity more than 1 hour. test conditions the sample shall be reflow soldered onto the printed circuit board in every test. page-5/8 mscdri-4d18c-series no.2 no.1 no.1 no.2 1 2 3 4 30 min. 30 min. mag.layers
(5) land dimension (ref.) pcb: glass epoxy t 1.6mm (5)-1 land pattern dimensions (standard pattern) unit mm (5)-2 substrate bending test bending test board page-6/8 mscdri-4d18c-series mag.layers
(6) packaging (6)-1 carrier tape dimensions (mm) (6)-2 taping dimensions (mm) page-7/8 mscdri-4d18c-series unreeling direction mag.layers
(6)-3 reel dimensions (mm) (6)-4 quantity 2000pcs/reel the products are packaged so that no damage will be sustained. page-8/8 mscdri-4d18c-series mag.layers tape width :12
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