lpt-4545-xxxla, lb, lc vishay dale document number 34069 revision 07-jan-05 www.vishay.com 112 for technical questions, contact magnetics@vishay .com sap part numbering guidelines (internal) product family size see the end of this data book for conversion tables inductance value package code tol. core lp t 4 54 5 rh 10 1 l k features ? toroidal design for minimal emi radiation in dc to dc converter applications. ? designed to support the growing need for efficient dc to dc converters in battery operated equipment. ? two separate windings provide versatility by ability to connect windings in series or parallel. ? supplied on tape and reel and is designed to be pick and place compatible. ? custom versions and turns ratios available. contact the factory with your specifications. inductors/transformers, customizable, surface mount torodial, kool-mu ? , powdered iron and mpp cores lpt-4545-1r0la lpt-4545-1r5la lpt-4545-2r5la lpt-4545-3r3la lpt-4545-5r0la lpt-4545-100la lpt-4545-150la lpt-4545-200la lpt-4545-250la lpt-4545-330la lpt-4545-500la lpt-4545-101la lpt-4545-151la lpt-4545-251la lpt-4545-301la lpt-4545-331la standard electrical specifications [in parallel] model la=kool-mu ? core actual ind. C h (l oc ) 15% rated idc (40 c ) ind. @ idc (l bias ) [30%] dcr ? 0.832 1.30 2.55 3.33 5.20 10.2 15.0 20.8 25.2 32.5 50.0 101 152 248 300 333 6.90 6.45 5.75 5.50 4.45 3.45 2.79 2.61 2.25 1.85 1.50 1.15 0.92 0.73 0.63 0.60 0.51 @ 7.62 0.80 @ 6.10 1.57 @ 4.35 2.05 @ 3.81 3.20 @ 3.05 6.28 @ 2.18 9.26 @ 1.79 12.4 @ 1.53 15.5 @ 1.39 20.0 @ 1.22 30.8 @ 0.98 62.0 @ 0.69 93.4 @ 0.56 153.0 @ 0.44 179.0 @ 0.40 205.0 @ 0.38 0.003 0.004 0.006 0.007 0.011 0.019 0.029 0.038 0.048 0.068 0.107 0.195 0.302 0.491 0.670 0.706 lpt-4545-1r0lc lpt-4545-1r5lc lpt-4545-2r5lc lpt-4545-3r3lc lpt-4545-5r0lc lpt-4545-100lc lpt-4545-150lc lpt-4545-250lc lpt-4545-330lc lpt-4545-500lc lpt-4545-101lc lpt-4545-151lc lpt-4545-251lc lpt-4545-331lc lb=powder iron 0.838 1.21 2.71 3.35 5.66 10.9 14.8 26.3 34.3 51.0 105 150 248 335 6.61 6.08 5.01 4.22 3.32 2.52 2.10 1.61 1.34 1.09 0.81 0.66 0.52 0.43 0.53 @ 7.09 0.76 @ 5.91 1.71 @ 3.94 2.11 @ 3.54 3.57 @ 2.73 6.84 @ 1.97 9.31 @ 1.69 16.5 @ 1.27 21.6 @ 1.11 32.1 @ 0.91 66.2 @ 0.63 94.7 @ 0.53 156.0 @ 0.41 211.0 @ 0.35 0.004 0.005 0.009 0.012 0.019 0.034 0.049 0.084 0.119 0.180 0.342 0.509 0.831 1.194 lc=mpp lpt-4545-1r0lb lpt-4545-1r5lb lpt-4545-2r5lb lpt-4545-3r3lb lpt-4545-5r0lb lpt-4545-100lb lpt-4545-150lb lpt-4545-250lb lpt-4545-330lb lpt-4545-500lb lpt-4545-101lb lpt-4545-151lb lpt-4545-251lb lpt-4545-331lb 0.838 1.30 2.55 3.33 5.20 10.2 15.0 25.2 32.5 50.0 101 152 248 333 7.54 6.82 5.84 5.49 4.37 3.32 2.69 2.12 1.76 1.41 1.07 0.86 0.67 0.56 0.54 @ 11.11 0.84 @ 8.89 1.64 @ 6.35 2.14 @ 5.56 3.35 @ 4.45 6.56 @ 3.18 9.68 @ 2.61 16.2 @ 2.02 20.9 @ 1.78 32.2 @ 1.43 64.8 @ 1.01 97.7 @ 0.82 159.0 @ 0.64 214.0 @ 0.56 0.004 0.004 0.007 0.008 0.012 0.022 0.033 0.054 0.076 0.119 0.219 0.340 0.551 0.788 1.0 1.5 2.5 3.3 5.0 10 15 20 25 33 50 100 150 250 300 330 standard ind. values 1.0 1.5 2.5 3.3 5.0 10 15 25 33 50 100 150 250 330 1.0 1.5 2.5 3.3 5.0 10 15 25 33 50 100 150 250 330 dimensions in inches [millimeters] description 100 inductance value ( h) 4545 size 15% inductance tolerance la/lb/lc core/height la = kool-mu ? lb = powder iron lc = mpp lpt model 0.160 [4.06] 0.120 [3.05] 0.492 sq. [12.5 sq.] 0.492 sq. [12.5 sq.] pad layout dimensional outline 2 3 1 4 vishay dale lpt-4545- xxxlx 0.450 0.005 dia. [11.43 0.127] 0.462 0.005 dia. [11.73 0.127] 0.550 [13.97] max. 0.250 [6.350] max.
lpt-4545-xxxla, lb, lc vishay dale document number 34069 revision 07-jan-05 www.vishay.com 113 for technical questions, contact magnetics@vishay .com schematics - connection diagrams transformer series parallel 1 2 3 4 1 2 4 3 1 2 3 4 part marking vishay dale model number pin 1 identification packaging in inches [millimeters] pocket tape orientation 0.945 [24.0] 0.630 [16.0] 600 carrier tape width pitch parts per 13" [330.2] reel all embossed carrier tape packaging will be in compliance with the latest revision of eia-481. dale lpt-[ ] [ ] [date code] dale lpt-[ ] [ ] [date code] dale lpt-[ ] [ ] [date code] reeling direction inductors/transformers, customizable, surface mount torodial, kool-mu ? , powdered iron and mpp cores
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