LPT-4545-xxxLA, LB, LC
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 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.
DIMENSIONS
in inches [millimeters]
Pad Layout
0.160
[4.06]
STANDARD ELECTRICAL SPECIFICATIONS
[In Parallel]
STANDARD ACTUAL IND. –
µ
H RATED IDC
MODEL
(L
OC
)
±
15%
LA=KOOL-MU
®
CORE IND. VALUES
(40
°
C )
0.832
6.90
1.0
LPT-4545-1R0LA
1.30
6.45
1.5
LPT-4545-1R5LA
2.55
5.75
2.5
LPT-4545-2R5LA
3.33
5.50
3.3
LPT-4545-3R3LA
5.20
4.45
5.0
LPT-4545-5R0LA
10.2
3.45
10
LPT-4545-100LA
15.0
2.79
15
LPT-4545-150LA
20.8
2.61
20
LPT-4545-200LA
25.2
2.25
25
LPT-4545-250LA
32.5
1.85
33
LPT-4545-330LA
50.0
1.50
50
LPT-4545-500LA
101
1.15
100
LPT-4545-101LA
152
0.92
150
LPT-4545-151LA
248
0.73
250
LPT-4545-251LA
300
0.63
300
LPT-4545-301LA
333
0.60
330
LPT-4545-331LA
LB=POWDER IRON
1.0
0.838
6.61
LPT-4545-1R0LB
1.5
1.21
6.08
LPT-4545-1R5LB
2.5
2.71
5.01
LPT-4545-2R5LB
3.3
3.35
4.22
LPT-4545-3R3LB
5.0
5.66
3.32
LPT-4545-5R0LB
10
10.9
2.52
LPT-4545-100LB
15
14.8
2.10
LPT-4545-150LB
25
26.3
1.61
LPT-4545-250LB
33
34.3
1.34
LPT-4545-330LB
50
51.0
1.09
LPT-4545-500LB
100
105
0.81
LPT-4545-101LB
150
150
0.66
LPT-4545-151LB
250
248
0.52
LPT-4545-251LB
330
335
0.43
LPT-4545-331LB
LC=MPP
7.54
1.0
0.838
LPT-4545-1R0LC
6.82
1.5
1.30
LPT-4545-1R5LC
5.84
2.5
2.55
LPT-4545-2R5LC
5.49
3.3
3.33
LPT-4545-3R3LC
4.37
5.0
5.20
LPT-4545-5R0LC
3.32
10
10.2
LPT-4545-100LC
2.69
15
15.0
LPT-4545-150LC
2.12
25
25.2
LPT-4545-250LC
1.76
33
32.5
LPT-4545-330LC
1.41
50
50.0
LPT-4545-500LC
1.07
100
101
LPT-4545-101LC
0.86
150
152
LPT-4545-151LC
0.67
250
248
LPT-4545-251LC
0.56
330
333
LPT-4545-331LC
←
0.492 sq.
[12.5 sq.]
0.120
[3.05]
0.492 sq.
[12.5 sq.]
IND. @ IDC
(L
BIAS
) [30%]
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
0.53 @ 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
0.54 @ 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
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
0.004
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
0.004
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
Dimensional Outline
0.450
±
0.005 Dia.
[11.43
±
0.127]
1
0.462
±
0.005 Dia.
[11.73
±
0.127]
2
Vishay Dale
LPT-4545-
xxxLX
3
4
0.550 [13.97]
Max.
0.250
[6.350]
Max.
DESCRIPTION
LPT
MODEL
4545
SIZE
100
INDUCTANCE
VALUE (µH)
±
15%
INDUCTANCE TOLERANCE
LA/LB/LC
CORE/HEIGHT
LA = KOOL-MU
®
LB = POWDER IRON
LC = MPP
SAP PART NUMBERING GUIDELINES (INTERNAL)
L
P
T
4
5
SIZE
4
5
R
H
1
0
1
L
TOL.
K
CORE
PRODUCT FAMILY
PACKAGE
CODE
INDUCTANCE
VALUE
See the end of this data book for conversion tables
www.vishay.com
112
For technical questions, contact Magnetics@vishay.com
Document Number 34069
Revision 07-Jan-05
LPT-4545-xxxLA, LB, LC
Inductors/Transformers, Customizable, Surface Mount
Torodial, Kool-Mu
®
, Powdered Iron and MPP Cores
SCHEMATICS - CONNECTION DIAGRAMS
Transformer
1
4
1
Vishay Dale
Parallel
4
1
Series
4
2
3
2
3
2
3
PART MARKING
— Vishay Dale
— Model number
— Pin 1 identification
PACKAGING
in inches [millimeters]
Pocket Tape Orientation
Carrier Tape Width
Pitch
Parts per 13" [330.2] Reel
0.945
[24.0]
0.630
[16.0]
600
DALE
LPT-[
]
[
]
[DATE CODE]
DALE
LPT-[
]
[
]
[DATE CODE]
DALE
LPT-[
]
[
]
[DATE CODE]
All embossed carrier tape
packaging will be in
compliance with the latest
revision of
EIA-481.
REELING DIRECTION
Document Number 34069
Revision 07-Jan-05
For technical questions, contact Magnetics@vishay.com
www.vishay.com
113
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
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