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
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 (In Parallel)
MODEL
STANDARD ACTUAL IND. - µH RATED IDC IND. at IDC
DCR
KOOL MU®CORE (A) IND. VALUES
(LOC
)
15 %
(40 °C)
(LBIAS) [30 %]
Ω
0.160
[4.06]
LPT4545ER1R0LK
LPT4545ER1R5LK
LPT4545ER2R5LK
LPT4545ER3R3LK
LPT4545ER5R0LK
LPT4545ER100LK
LPT4545ER150LK
LPT4545ER200LK
LPT4545ER250LK
LPT4545ER330LK
LPT4545ER500LK
LPT4545ER101LK
LPT4545ER151LK
LPT4545ER251LK
LPT4545ER301LK
LPT4545ER331LK
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
POWDER IRON (B)
LPT4545ER1R0LP
LPT4545ER1R5LP
LPT4545ER2R5LP
LPT4545ER3R3LP
LPT4545ER5R0LP
LPT4545ER100LP
LPT4545ER150LP
LPT4545ER250LP
LPT4545ER330LP
LPT4545ER500LP
LPT4545ER101LP
LPT4545ER151LP
LPT4545ER251LP
LPT4545ER331LP
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.
MPP (C)
2
4
LPT4545ER1R0LM
LPT4545ER1R5LM
LPT4545ER2R5LM
LPT4545ER3R3LM
LPT4545ER5R0LM
LPT4545ER100LM
LPT4545ER150LM
LPT4545ER250LM
LPT4545ER330LM
LPT4545ER500LM
LPT4545ER101LM
LPT4545ER151LM
LPT4545ER251LM
LPT4545ER331LM
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
INDUCTANCE
VALUE
15 %
INDUCTANCE
TOLERANCE
A
ER
e2
MODEL
SIZE
CORE/HEIGHT
PACKAGE CODE
ER = Reel
JEDEC LEAD (Pb)-FREE
STANDARD
K = KOOL MU® (A)
P = POWER IRON (B)
M = MPP (C)
EB = Bulk
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
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: magnetics@vishay.com
www.vishay.com
165