electrical specifications inductance range: 10 m h to 47000 m h, measured at 0.10v rms @ 10khz without dc current, using an hp 4263a or hp 4284a impedance analyzer. dc resistance range: 0.03 ohm to 19.1 ohm, measured at + 25 c 5 c. operating temperature: - 20 c to + 80 c. rated current range: 2.00 amps to .09 amps. dielectric withstanding voltage: 500v rms, 60hz, 5 seconds. transformers/inductors surface mount, gapped and ungapped custom configurations available ungapped models: highest possible inductance with the lowest dcr and highest q capability. beneficial in filter, impedance matching and line co upling devices. gapped models: capable of handling large amounts of dc current, tighter inductance tolerance with better temperature stability than ungapped models. beneficial in dc to dc converters or other circuits carrying dc currents or requiring inductance stability over a temperature range. *dc current that will create a maximum temperature rise of 30 c when applied at + 25 c ambient. **dc current that will typically reduce the initial inductance by 20%. standard electrical specifications model lpe-4841-101na lpe-4841-151na lpe-4841-221na lpe-4841-331na lpe-4841-471na lpe-4841-681na lpe-4841-102na lpe-4841-152na lpe-4841-222na lpe-4841-332na lpe-4841-472na lpe-4841-682na lpe-4841-103na lpe-4841-153na lpe-4841-223na lpe-4841-333na lpe-4841-473na lpe-4841-100mb lpe-4841-150mb lpe-4841-220mb lpe-4841-330mb lpe-4841-470mb lpe-4841-680mb lpe-4841-101mb lpe-4841-151mb lpe-4841-221mb lpe-4841-331mb lpe-4841-471mb lpe-4841-681mb lpe-4841-102mb lpe-4841-152mb lpe-4841-222mb lpe-4841-332mb lpe-4841-472mb inductance tolerance schematic letter dcr max. (ohms) max. rated* dc current (amps) saturating** current (amps) ungapped models 10 15 22 33 47 68 100 150 220 330 470 680 1000 1500 2200 3300 3900 10 15 22 33 47 68 100 150 220 330 470 680 1000 1500 2200 3300 4700 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 30% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% 20% a a a a a a a a a a a a a a a a a b b c c d d e e e e e e e e e e e 0.17 0.21 0.25 0.30 0.36 0.44 0.53 0.65 0.79 1.55 1.85 4.36 5.29 6.48 13.1 16.0 19.1 0.03 0.04 0.07 0.09 0.13 0.21 0.35 0.48 0.73 1.14 1.36 2.07 3.15 4.76 7.29 11.7 17.7 .88 .79 .721 .65 .60 .54 .49 .45 .40 .29 .26 .17 .16 .14 .10 .09 .08 2.03 1.84 1.32 1.20 .98 .79 .58 .52 .42 .34 .31 .25 .20 .16 .13 .11 .09 n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a n/a 2.320 1.925 1.610 1.330 1.125 .941 .781 .641 .532 .436 .366 .305 .252 .206 .170 .139 .117 inductance ( m h) dimensional configurations [numbers in brackets indicate millimeters] note: pad layout guidelines per mil-std-275e (printed wiring for electronic equipment). tolerances: xx .01" [ 0.25mm]. xxx .005" [ 0.12mm]. foot print diagram gapped models .421 [10.69] max. 4 1 5 8 .492 [12.50] max. .248 [6.30] max. .400 [10.16] .028 [.71] .028 [.71] .079 [2.01] typ. 0.045 [1.14] pad dimensions typical, 8 places 0.079 [2.01] 0.045 [1.14] 0.382 [9.70] 0.427 [10.85] reference only typical 3 places pad layout dimensional outline model lpe-4841 vishay dale document number 34064 revision 27-apr-99 www.vishay.com 70
schematics (top view) schematic e schematic d schematic c schematic b schematic a note: schematic a is for ungapped lpe series. 5 6 7 8 4 3 2 1 5 6 7 8 4 3 2 1 4 3 2 1 5 6 7 8 5 6 7 8 4 3 2 1 5 6 7 8 4 3 2 1 test thermal cycling high temperature high humidity soldering heat mechanical shock vibration solderability environmental performance conditions withstands - 55 c to + 125 c + 85 c 85% tested to + 230 c per mil-std-202, method 214 (100g) per mil-std-202, method 204 (20g) per industry standards part marking vishay dale date code marking code (suffix of model #) pin 1 indicator lpe model 4841 size 1000 m h inductance value 30% inductance tolerance a core how to order - lpe-4841-102na tape specifications: carrier tape type: conductive. cover tape type: anti-static. cover tape adhesion to carrier: 40 30 grams. reel specifications: diameter (flange): 13" [330.2mm]. maximum width (over flanges): 1.197" [30.4mm]. standards: all embossed carrier tape packaging will be accomplished in compliance with latest revision of eia-481 taping of surface mount components for automatic placement. model lpe-4841 tape width 24mm component pitch 16mm units per 13 inch reel 600 tape and reel orientation packaging note: top view shown with cover tape removed. label area embossed cavity cover tape carrier tape user direction of feed pin 1 indicator model lpe-4841 vishay dale document number 34064 revision 27-apr-99 www.vishay.com 71
surface mount transformers and inductors custom designs and configurations available (pcb mount available for many geometries) features ? totally integrated manufacturing. ? pick and place compatible. ? statistical process controlled. ? tape packaging per eia-481. ? low cost. ? qualification data available. ? short lead times. ? wide inductance ranges available. ? high dc current handling capabilities. ? low dcr vs inductance. ? hot tin dipped terminations. ? compatible with reflow solder processes. ? industry standard footprints. ? ul class b materials (+ 130 c). ? ferrite cores in a power material. ? resistant to solvents. ? custom designs available (transformers or inductors). tighter tolerances may also be available. applications circuit: signal conditioning, filtering, dc/dc converters, audio circuits and line matching circuits. partial listing of available geometries vishay dale part number core geometry output power* outside dimensions (inches) length width height 3325** 4841** 5047** 4658 5036 6454 8070 6855** 5740 6562** 7466 6750 9080 9887 9385 9999 9890 9990 ee5 er9.5 er11/5 efd10 ep7 efd12 epc13 eem12.7 ep10 er14.5 efd15 ep13 epc17 epc19 efd20 epc25b efd25 efd30 2.5 6.2 9.4 11.2 12.5 20.5 24.1 27.7 28.7 35.6 38.4 47.1 55.5 70 94 175 204 297 0.323 0.492 0.525 0.737 0.530 0.796 0.843 0.69 0.585 0.695 0.894 0.685 0.941 1.02 1.102 1.142 1.24 1.65 0.256 0.421 0.472 0.47 0.4 0.549 0.6 0.555 0.55 0.606 0.663 0.625 0.76 0.866 0.9 1.06 1.1 1.3 0.205 0.248 0.248 0.212 0.34 0.256 0.330 0.22 0.43 0.335 0.295 0.5 0.394 0.382 0.4 0.4 0.5 0.6 *2300 perm, 100khz, 20 c, 50 c temperature rise. **standard products available (see following pages for details). equipment: notebook computers, pagers, global positioning equipment, communications and audio. document number 34062 revision 27-apr-99 www.vishay.com 67 the lpe series vishay dale
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