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/DC
converter applications
• Designed to support the growing need for efficient
DC/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
Note
•
Kool Mu® is a registered trademark of Spang & Company
• Custom versions and turns ratios available. Contact the factory
with your specifications
• Compliant to RoHS Directive 2002/95/EC
• Halogen-free according to IEC 61249-2-21 definition
STANDARD ELECTRICAL SPECIFICATIONS (in parallel)
STD. IND.
ACTUAL IND. (LOC)
DCR
RATED IDC
(40 °C)
IND. AT IDC (LBIAS
)
MODEL
(μH)
IND. TOL.
(μH)
()
(30 %)
LPT4545ER1R0LK
LPT4545ER1R5LK
LPT4545ER2R5LK
LPT4545ER3R3LK
LPT4545ER5R0LK
LPT4545ER100LK
LPT4545ER150LK
LPT4545ER200LK
LPT4545ER250LK
LPT4545ER330LK
LPT4545ER500LK
LPT4545ER101LK
LPT4545ER151LK
LPT4545ER251LK
LPT4545ER301LK
LPT4545ER331LK
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
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
0.832
1.30
2.55
3.33
5.20
10.2
15.0
20.8
25.2
32.5
50.0
101
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
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
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
0.51 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
0.53 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
15
20
25
33
50
100
150
250
300
330
152
248
300
333
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
15
25
33
50
100
150
250
330
150
248
335
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
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
15 %
0.838
1.30
2.55
3.33
5.20
10.2
15.0
25.2
32.5
50.0
101
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
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
15
25
33
50
100
150
250
330
152
248
333
DESCRIPTION
LPT
4545
100 μH
15 %
A
ER
e2
MODEL SIZE
INDUCTANCE
INDUCTANCE
TOLERANCE
CORE/HEIGHT
K = KOOL MU® (A)
P = POWDERED IRON (B)
M = MPP (C)
PACKAGE CODE
JEDEC LEAD (Pb)-FREE
VALUE
STANDARD
ER = Reel
EB = Bulk
GLOBAL PART NUMBER
L
P
T
4
5
4
5
E
R
1
0
1
L
K
PRODUCT FAMILY
SIZE
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).
Document Number: 34069
Revision: 24-Feb-11
For technical questions, contact: magnetics@vishay.com
www.vishay.com
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