LPT-4545-xxxLA, LB, LC
Vishay Dale
Inductors/Transformers, Customizable, Surface Mount
Torodial, Kool-Mu®, Powered 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
RoHS
Two separate windings provide versatility by ability to connect windings in
series or parallel
COMPLIANT
•
•
•
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
MODEL
STANDARD ACTUAL IND. - µH RATED IDC IND. at IDC DCR
LA=KOOL-MU®CORE IND. VALUES
(LOC 15 % (40 °C) (LBIAS)[30%]
)
Ω
0.160
[4.06]
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
0.832
1.30
2.55
3.33
5.20
10.2
15.0
20.8
25.2
32.5
50.0
101
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 0.003
0.80 at 6.10 0.004
1.57 at 4.35 0.006
2.05 at 3.81 0.007
3.20 at 3.05 0.011
6.28 at 2.18 0.019
9.26 at 1.79 0.029
12.4 at 1.53 0.038
15.5 at 1.39 0.048
20.0 at 1.22 0.068
30.8 at 0.98 0.107
62.0 at 0.69 0.195
93.4 at 0.56 0.302
153.0 at 0.44 0.491
179.0 at 0.40 0.670
205.0 at 0.38 0.706
Pad Layout
15
20
0.492 sq.
[12.5 sq.]
0.120
[3.05]
25
33
50
100
150
250
300
330
152
248
300
0.492 sq.
[12.5 sq.]
333
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
0.838
1.21
2.71
3.35
5.66
10.9
14.8
26.3
34.3
51.0
105
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 0.004
0.76 at 5.91 0.005
1.71 at 3.94 0.009
2.11 at 3.54 0.012
3.57 at 2.73 0.019
6.84 at 1.97 0.034
9.31 at 1.69 0.049
16.5 at 1.27 0.084
21.6 at 1.11 0.119
32.1 at 0.91 0.180
66.2 at 0.63 0.342
94.7 at 0.53 0.509
156.0 at 0.41 0.831
211.0 at 0.35 1.194
Dimensional Outline
15
25
33
50
0.450 0.005 Dia.
[11.43 0.127]
0.462 0.005 Dia.
[11.73 0.127]
100
150
250
330
150
1
248
335
Vishay Dale
LPT-4545-
xxxLX
0.550 [13.97]
Max.
LC=MPP
2
4
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
0.838
1.30
2.55
3.33
5.20
10.2
15.0
25.2
32.5
50.0
101
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 0.004
0.84 at 8.89 0.004
1.64 at 6.35 0.007
2.14 at 5.56 0.008
3.35 at 4.45 0.012
6.56 at 3.18 0.022
9.68 at 2.61 0.033
16.2 at 2.02 0.054
20.9 at 1.78 0.076
32.2 at 1.43 0.119
64.8 at 1.01 0.219
97.7 at 0.82 0.340
159.0 at 0.64 0.551
214.0 at 0.56 0.788
3
15
0.250
[6.350]
Max.
25
33
50
100
150
250
330
152
248
333
DESCRIPTION
LPT
4545
100 µH
15 %
LA/LB/LC
ER
e2
MODEL
SIZE
INDUCTANCE
VALUE
INDUCTANCE
TOLERANCE
CORE/HEIGHT
PACKAGE CODE
JEDEC LEAD (Pb)-FREE
STANDARD
LA = KOOL-MU®
LB = POWER IRON
LC = MPP
GLOBAL PART NUMBER
L
P
T
4
5
4
5
E
R
1
0
1
L
K
SIZE
PRODUCT FAMILY
PACKAGE
CODE
INDUCTANCE
VALUE
TOL. CORE
Document Number: 34069
Revision: 10-Aug-06
For technical questions, contact: magnetics@vishay.com
www.vishay.com
165