LPT-4545-xxxLA, LB, LC
Vishay Dale
Document Number: 34069 For technical questions, contact: magnetics@vishay.com www.vishay.com
Revision: 03-May-07 165
Inductors/Transformers, Customizable, Surface Mount
Torodial, Kool Mu®*, Powdered Iron and MPP Cores
DIMENSIONS
in inches [millimeters]
Pad Layout
0.160
[4.06]
0.492 sq.
[12.5 sq.] 0.120
[3.05]
0.492 sq.
[12.5 sq.]
Dimensional Outline
2
3
1
4
Vishay Dale
LPT-4545-
xxxLX
0.462 ± 0.005 Dia.
[11.73 ± 0.127]
0.550 [13.97]
Max.
0.450 ± 0.005 Dia.
[11.43 ± 0.127]
0.250
[6.350]
Max.
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
•
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
STANDARD ELECTRICAL SPECIFICATIONS (In Parallel)
MODEL
LA=KOOL MU
®
CORE STANDARD
IND. VALUES ACTUAL IND. - µH
(L
OC
) ± 15 % RATED IDC
(40 °C) IND. at IDC
(L
BIAS
) [30 %] DCR
Ω
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
1.0
1.5
2.5
3.3
5.0
10
15
20
25
33
50
100
150
250
300
330
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 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
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
LB=POWDER IRON
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
1.0
1.5
2.5
3.3
5.0
10
15
25
33
50
100
150
250
330
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 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
LC=MPP
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
1.0
1.5
2.5
3.3
5.0
10
15
25
33
50
100
150
250
330
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 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
RoHS
COMPLIANT
GLOBAL PART NUMBER
DESCRIPTION
TOL.
L 54TP41RE50KL1
PRODUCT FAMILY PACKAGE
CODE
INDUCTANCE
VALUE
CORE
LA/LB/LC
CORE/HEIGHT
LA = KOOL MU
®
LB = POWER IRON
LC = MPP
± 15 %
INDUCTANCE
TOLERANCE
100 µH
INDUCTANCE
VALUE
4545
SIZE
LPT
MODEL
ER
PACKAGE CODE
e2
JEDEC LEAD (Pb)-FREE
STANDARD
SIZE
* Kool Mu® is a registered trademark of Spang & Company
www.vishay.com For technical questions, contact: magnetics@vishay.com Document Number: 34069
166 Revision: 03-May-07
LPT-4545-xxxLA, LB, LC
Vishay Dale Inductors/Transformers, Customizable, Surface Mount
Torodial, Kool Mu®*, Powdered Iron and MPP Cores
SCHEMATICS - CONNECTION DIAGRAMS
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 600
All embossed carrier tape
packaging will be in
compliance with the latest
revision of
EIA-481.
Parallel
14
23
Series
14
23
Transformer
1
2
4
3
DALE
LPT-[ ]
[ ]
[DATE CODE]
DALE
LPT-[ ]
[ ]
[DATE CODE]
DALE
LPT-[ ]
[ ]
[DATE CODE]
REELING DIRECTION
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
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.
