LPT-4545 Vishay Dale Inductors/Transformers, Customizable, Surface Mount Torodial, Kool Mu®*, 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. - µH RATED IDC MODEL (LOC) ± 15 % (40 °C) KOOL MU®CORE (A) IND. VALUES LPT4545ER1R0LK 1.0 0.832 6.90 LPT4545ER1R5LK 1.5 1.30 6.45 LPT4545ER2R5LK 2.5 2.55 5.75 LPT4545ER3R3LK 3.3 3.33 5.50 LPT4545ER5R0LK 5.0 5.20 4.45 LPT4545ER100LK 10 10.2 3.45 LPT4545ER150LK 15 15.0 2.79 LPT4545ER200LK 20 20.8 2.61 LPT4545ER250LK 25 25.2 2.25 LPT4545ER330LK 33 32.5 1.85 LPT4545ER500LK 50 50.0 1.50 LPT4545ER101LK 100 101 1.15 LPT4545ER151LK 150 152 0.92 LPT4545ER251LK 250 248 0.73 LPT4545ER301LK 300 300 0.63 LPT4545ER331LK 330 333 0.60 POWDER IRON (B) LPT4545ER1R0LP 1.0 0.838 6.61 LPT4545ER1R5LP 1.5 1.21 6.08 LPT4545ER2R5LP 2.5 2.71 5.01 LPT4545ER3R3LP 3.3 3.35 4.22 LPT4545ER5R0LP 5.0 5.66 3.32 LPT4545ER100LP 10 10.9 2.52 LPT4545ER150LP 15 14.8 2.10 LPT4545ER250LP 25 26.3 1.61 LPT4545ER330LP 33 34.3 1.34 LPT4545ER500LP 50 51.0 1.09 LPT4545ER101LP 100 105 0.81 LPT4545ER151LP 150 150 0.66 LPT4545ER251LP 250 248 0.52 LPT4545ER331LP 330 335 0.43 MPP (C) LPT4545ER1R0LM 1.0 0.838 7.54 LPT4545ER1R5LM 1.5 1.30 6.82 LPT4545ER2R5LM 2.5 2.55 5.84 LPT4545ER3R3LM 3.3 3.33 5.49 LPT4545ER5R0LM 5.0 5.20 4.37 LPT4545ER100LM 10 10.2 3.32 LPT4545ER150LM 15 15.0 2.69 LPT4545ER250LM 25 25.2 2.12 LPT4545ER330LM 33 32.5 1.76 LPT4545ER500LM 50 50.0 1.41 LPT4545ER101LM 100 101 1.07 LPT4545ER151LM 150 152 0.86 LPT4545ER251LM 250 248 0.67 LPT4545ER331LM 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 Ω 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 µH INDUCTANCE VALUE ± 15 % INDUCTANCE TOLERANCE A CORE/HEIGHT K = KOOL MU® (A) P = POWER IRON (B) M = MPP (C) ER PACKAGE CODE ER = Reel EB = Bulk 5 1 e2 JEDEC LEAD (Pb)-FREE STANDARD GLOBAL PART NUMBER L P T PRODUCT FAMILY 4 5 4 E R 0 1 L K SIZE PACKAGE INDUCTANCE TOL. CORE CODE VALUE NOTE Series is also available with SnPb terminations by using package code RH for tape and reel (in place of ER) or SM for bulk (in place of EB). * Kool Mu® is a registered trademark of Spang & Company Document Number: 34069 Revision: 10-Oct-08 For technical questions, contact: [email protected] www.vishay.com 165 LPT-4545 Inductors/Transformers, Customizable, Surface Mount Torodial, Kool Mu®*, 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: [email protected] Document Number: 34069 Revision: 10-Oct-08 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1