LPT-4545-xxxLA, LB, LC Vishay Dale Inductors/Transformers, Customizable, Surface Mount Torodial, Kool Mu(R)*, Powdered Iron and MPP Cores 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 RoHS COMPLIANT series or parallel * Operating Temperature Range: - 40 C to + 125 C * 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 DIMENSIONS in inches [millimeters] STANDARD ELECTRICAL SPECIFICATIONS (In Parallel) STANDARD ACTUAL IND. - H RATED IDC MODEL (LOC) 15 % (40 C) LA=KOOL MU(R)CORE IND. VALUES LPT-4545-1R0LA 1.0 0.832 6.90 LPT-4545-1R5LA 1.5 1.30 6.45 LPT-4545-2R5LA 2.5 2.55 5.75 LPT-4545-3R3LA 3.3 3.33 5.50 LPT-4545-5R0LA 5.0 5.20 4.45 LPT-4545-100LA 10 10.2 3.45 LPT-4545-150LA 15 15.0 2.79 LPT-4545-200LA 20 20.8 2.61 LPT-4545-250LA 25 25.2 2.25 LPT-4545-330LA 33 32.5 1.85 LPT-4545-500LA 50 50.0 1.50 LPT-4545-101LA 100 101 1.15 LPT-4545-151LA 150 152 0.92 LPT-4545-251LA 250 248 0.73 LPT-4545-301LA 300 300 0.63 LPT-4545-331LA 330 333 0.60 LB=POWDER IRON LPT-4545-1R0LB 1.0 0.838 6.61 LPT-4545-1R5LB 1.5 1.21 6.08 LPT-4545-2R5LB 2.5 2.71 5.01 LPT-4545-3R3LB 3.3 3.35 4.22 LPT-4545-5R0LB 5.0 5.66 3.32 LPT-4545-100LB 10 10.9 2.52 LPT-4545-150LB 15 14.8 2.10 LPT-4545-250LB 25 26.3 1.61 LPT-4545-330LB 33 34.3 1.34 LPT-4545-500LB 50 51.0 1.09 LPT-4545-101LB 100 105 0.81 LPT-4545-151LB 150 150 0.66 LPT-4545-251LB 250 248 0.52 LPT-4545-331LB 330 335 0.43 LC=MPP LPT-4545-1R0LC 1.0 0.838 7.54 LPT-4545-1R5LC 1.5 1.30 6.82 LPT-4545-2R5LC 2.5 2.55 5.84 LPT-4545-3R3LC 3.3 3.33 5.49 LPT-4545-5R0LC 5.0 5.20 4.37 LPT-4545-100LC 10 10.2 3.32 LPT-4545-150LC 15 15.0 2.69 LPT-4545-250LC 25 25.2 2.12 LPT-4545-330LC 33 32.5 1.76 LPT-4545-500LC 50 50.0 1.41 LPT-4545-101LC 100 101 1.07 LPT-4545-151LC 150 152 0.86 LPT-4545-251LC 250 248 0.67 LPT-4545-331LC 330 333 0.56 0.160 [4.06] Pad Layout 0.492 sq. [12.5 sq.] 0.120 [3.05] 0.492 sq. [12.5 sq.] Dimensional Outline 0.450 0.005 Dia. [11.43 0.127] 0.462 0.005 Dia. [11.73 0.127] 1 2 Vishay Dale 0.550 [13.97] Max. 4 LPT-4545xxxLX 3 0.250 [6.350] Max. IND. at IDC (LBIAS) [30 %] 0.51 at 7.62 0.80 at 6.10 1.57 at 4.35 2.05 at 3.81 3.20 at 3.05 6.28 at 2.18 9.26 at 1.79 12.4 at 1.53 15.5 at 1.39 20.0 at 1.22 30.8 at 0.98 62.0 at 0.69 93.4 at 0.56 153.0 at 0.44 179.0 at 0.40 205.0 at 0.38 DCR 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 0.53 at 7.09 0.76 at 5.91 1.71 at 3.94 2.11 at 3.54 3.57 at 2.73 6.84 at 1.97 9.31 at 1.69 16.5 at 1.27 21.6 at 1.11 32.1 at 0.91 66.2 at 0.63 94.7 at 0.53 156.0 at 0.41 211.0 at 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 0.54 at 11.11 0.84 at 8.89 1.64 at 6.35 2.14 at 5.56 3.35 at 4.45 6.56 at 3.18 9.68 at 2.61 16.2 at 2.02 20.9 at 1.78 32.2 at 1.43 64.8 at 1.01 97.7 at 0.82 159.0 at 0.64 214.0 at 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 DESCRIPTION LPT MODEL 4545 SIZE 100 H INDUCTANCE VALUE 15 % INDUCTANCE TOLERANCE LA/LB/LC CORE/HEIGHT LA = KOOL MU(R) LB = POWER IRON LC = MPP ER PACKAGE CODE 5 1 e2 JEDEC LEAD (Pb)-FREE STANDARD GLOBAL PART NUMBER L P T PRODUCT FAMILY 4 5 4 SIZE E R PACKAGE CODE 0 INDUCTANCE VALUE 1 L K TOL. CORE * Kool Mu(R) is a registered trademark of Spang & Company Document Number: 34069 Revision: 03-May-07 For technical questions, contact: magnetics@vishay.com www.vishay.com 165 LPT-4545-xxxLA, LB, LC Inductors/Transformers, Customizable, Surface Mount Torodial, Kool Mu(R)*, Powdered Iron and MPP Cores Vishay Dale SCHEMATICS - CONNECTION DIAGRAMS Transformer Series Parallel 1 4 1 4 1 2 3 2 3 2 4 3 PART MARKING - Vishay Dale - Model number - Pin 1 identification PACKAGING in inches [millimeters] Pocket Tape Orientation Carrier Tape Width 0.945 [24.0] Pitch 0.630 [16.0] Parts per 13" [330.2] Reel DALE LPT-[ ] [ ] DALE LPT-[ ] [ ] DALE LPT-[ ] [ ] [DATE CODE] [DATE CODE] [DATE CODE] 600 All embossed carrier tape packaging will be in compliance with the latest revision of EIA-481. REELING DIRECTION www.vishay.com 166 For technical questions, contact: magnetics@vishay.com Document Number: 34069 Revision: 03-May-07 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1