LPT4545 Datasheet, PDF (1/2 Pages) Vishay Siliconix – Inductors/Transformers, Customizable, Surface Mount Torodial, Kool-Mu, Powdered Iron and MPP Cores

LPT-4545-xxxLA, LB, LC
Vishay Dale
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
0.450 ± 0.005 Dia.
[11.43 ± 0.127]
0.462 ± 0.005 Dia.
[11.73 ± 0.127]
1
Vishay Dale
2 _LPT-4545- 4
xxxLX
0.550 [13.97]
Max.
3
0.250
[6.350]
Max.
DESCRIPTION
LPT
MODEL
4545
SIZE
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.
• Half height parts available upon request.
STANDARD ELECTRICAL SPECIFICATIONS [In Parallel]
MODEL
STANDARD ACTUAL IND. – µH RATED IDC IND. @ IDC DCR
LA=KOOL-MU^® CORE IND. VALUES (L_OC) ± 15%
(40°C ) (L_BIAS) [30%] Ω
LPT-4545-1R0LA
1.0
LPT-4545-1R5LA
1.5
LPT-4545-2R5LA
2.5
LPT-4545-3R3LA
3.3
LPT-4545-5R0LA
5.0
LPT-4545-100LA
10
LPT-4545-150LA
15
LPT-4545-200LA
20
LPT-4545-250LA
25
LPT-4545-330LA
33
LPT-4545-500LA
50
LPT-4545-101LA
100
LPT-4545-151LA
150
LPT-4545-251LA
250
LPT-4545-301LA
300
LPT-4545-331LA
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 0.51 @ 7.62 0.003
6.45 0.80 @ 6.10 0.004
5.75 1.57 @ 4.35 0.006
5.50 2.05 @ 3.81 0.007
4.45 3.20 @ 3.05 0.011
3.45 6.28 @ 2.18 0.019
2.79 9.26 @ 1.79 0.029
2.61 12.4 @ 1.53 0.038
2.25 15.5 @ 1.39 0.048
1.85 20.0 @ 1.22 0.068
1.50 30.8 @ 0.98 0.107
1.15 62.0 @ 0.69 0.195
0.92 93.4 @ 0.56 0.302
0.73 153.0 @ 0.44 0.491
0.63 179.0 @ 0.40 0.670
0.60 205.0 @ 0.38 0.706
LB=POWDER IRON
LPT-4545-1R0LB
1.0
LPT-4545-1R5LB
1.5
LPT-4545-2R5LB
2.5
LPT-4545-3R3LB
3.3
LPT-4545-5R0LB
5.0
LPT-4545-100LB
10
LPT-4545-150LB
15
LPT-4545-250LB
25
LPT-4545-330LB
33
LPT-4545-500LB
50
LPT-4545-101LB
100
LPT-4545-151LB
150
LPT-4545-251LB
250
LPT-4545-331LB
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 0.53 @ 7.09 0.004
6.08 0.76 @ 5.91 0.005
5.01 1.71 @ 3.94 0.009
4.22 2.11 @ 3.54 0.012
3.32 3.57 @ 2.73 0.019
2.52 6.84 @ 1.97 0.034
2.10 9.31 @ 1.69 0.049
1.61 16.5 @ 1.27 0.084
1.34 21.6 @ 1.11 0.119
1.09 32.1 @ 0.91 0.180
0.81 66.2 @ 0.63 0.342
0.66 94.7 @ 0.53 0.509
0.52 156.0 @ 0.41 0.831
0.43 211.0 @ 0.35 1.194
LC=MPP
LPT-4545-1R0LC
1.0
LPT-4545-1R5LC
1.5
LPT-4545-2R5LC
2.5
LPT-4545-3R3LC
3.3
LPT-4545-5R0LC
5.0
LPT-4545-100LC
10
LPT-4545-150LC
15
LPT-4545-250LC
25
LPT-4545-330LC
33
LPT-4545-500LC
50
LPT-4545-101LC
100
LPT-4545-151LC
150
LPT-4545-251LC
250
LPT-4545-331LC
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 0.54 @ 11.11 0.004
6.82
0.84 @ 8.89 0.004
5.84
1.64 @ 6.35 0.007
5.49
2.14 @ 5.56 0.008
4.37
3.35 @ 4.45 0.012
3.32
6.56 @ 3.18 0.022
2.69
9.68 @ 2.61 0.033
2.12
16.2 @ 2.02 0.054
1.76
20.9 @ 1.78 0.076
1.41
32.2 @ 1.43 0.119
1.07
64.8 @ 1.01 0.219
0.86
97.7 @ 0.82 0.340
0.67 159.0 @ 0.64 0.551
0.56 214.0 @ 0.56 0.788
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
4
5
PRODUCT FAMILY
SIZE
See the end of this data book for conversion tables
R
H
PACKAGE
CODE
1
0
1
INDUCTANCE
VALUE
L
TOL.
K
CORE
www.vishay.com
112
For technical questions, contact [e-mail]
Document Number 34069
Revision 28-Aug-02