LPT-3535xxx-LA, 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.
STANDARD ELECTRICAL SPECIFICATIONS [In Parallel]
DIMENSIONS in inches [millimeters]
ACTUAL IND. – µH
(LOC) ± 15%
DCR
Ω
STANDARD
IND. VALUES
IND. @ IDC
(LBIAS) [30%]
MODEL
RATED IDC
(40°C )
Pad Layout
0.160
[4.06]
®
LA=KOOL-MU CORE
0.005
0.009
0.011
0.015
0.023
0.055
0.081
0.131
0.182
0.280
0.514
0.775
1.279
1.837
LPT-3535-1R0LA
LPT-3535-1R5LA
LPT-3535-2R5LA
LPT-3535-3R3LA
LPT-3535-5R0LA
LPT-3535-100LA
LPT-3535-150LA
LPT-3535-250LA
LPT-3535-330LA
LPT-3535-500LA
LPT-3535-101LA
LPT-3535-151LA
LPT-3535-251LA
LPT-3535-331LA
1.0
1.5
2.5
3.3
5.0
10
6.42
4.77
4.45
3.73
3.01
1.95
1.59
1.25
1.05
0.84
0.63
0.57
0.40
0.33
0.800
1.80
2.45
3.20
5.00
11.3
16.2
26.5
33.8
51.2
101
0.48 @ 7.05
1.07 @ 4.70
1.46 @ 4.03
1.90 @ 3.52
2.98 @ 2.82
6.69 @ 1.88
9.64 @ 1.57
15.7 @ 1.23
20.1 @ 1.08
30.5 @ 0.88
60.2 @ 0.63
90.0 @ 0.51
150.0 @ 0.40
195.0 @ 0.35
0.392 sq.
[9.96 sq.]
15
25
0.120
[3.05]
33
50
100
150
250
330
151
252
328
LB=POWDER IRON
LPT-3535-1R0LB
LPT-3535-1R5LB
LPT-3535-2R5LB
LPT-3535-3R3LB
LPT-3535-5R0LB
LPT-3535-100LB
LPT-3535-150LB
LPT-3535-250LB
LPT-3535-330LB
LPT-3535-500LB
LPT-3535-101LB
LPT-3535-151LB
LPT-3535-251LB
LPT-3535-331LB
0.392 sq.
[9.96 sq.]
1.0
1.5
2.5
3.3
5.0
10
0.882
1.57
2.45
3.53
4.80
10.8
15.3
25.1
33.5
51.8
104
5.10
4.48
3.58
2.96
2.41
1.58
1.29
1.03
0.85
0.68
0.51
0.41
0.33
0.27
0.56 @ 4.29 0.004
0.99 @ 3.21 0.005
1.54 @ 2.57 0.009
2.22 @ 2.14 0.013
3.03 @ 1.84 0.018
6.81 @ 1.22 0.043
9.65 @ 1.03 0.064
15.8 @ 0.80 0.103
21.1 @ 0.70 0.147
32.7 @ 0.56 0.230
65.2 @ 0.40 0.424
96.3 @ 0.33 0.645
157.0 @ 0.25 1.031
208.0 @ 0.22 1.463
Dimensional Outline
15
25
33
50
0.362 ± 0.005 Dia.
[9.19 ± 0.127]
0.350 ± 0.005 Dia.
[8.89 ± 0.127]
100
150
250
330
153
1
250
330
LC=MPP
Vishay Dale
LPT-3535-
xxxLX
1.0
1.5
2.5
3.3
5.0
10
LPT-3535-1R0LC
LPT-3535-1R5LC
LPT-3535-2R5LC
LPT-3535-3R3LC
LPT-3535-5R0LC
LPT-3535-100LC
LPT-3535-150LC
LPT-3535-250LC
LPT-3535-330LC
LPT-3535-500LC
LPT-3535-101LC
LPT-3535-151LC
LPT-3535-251LC
LPT-3535-331LC
0.800
1.80
2.45
3.20
5.00
11.3
16.2
26.5
33.8
51.2
101
6.45
4.80
4.46
3.73
3.02
1.94
1.59
1.26
1.05
0.84
0.64
0.52
0.40
0.33
0.005
0.009
0.011
0.015
0.023
0.055
0.081
0.131
0.182
0.52 @ 7.05
1.16 @ 4.70
1.58 @ 4.03
2.06 @ 3.52
3.22 @ 2.82
7.25 @ 1.88
10.43 @ 1.57
17.0 @ 1.23
21.8 @ 1.08
2
4
0.450 [11.43]
Max.
3
15
25
33
0.235
[5.97]
Max.
50
33.0 @ 0.88 0.280
100
150
250
330
0.514
0.775
1.279
1.837
97.4 @ 0.51
65.2 @ 0.63
162.0 @ 0.51
211.0 @ 0.35
151
252
328
DESCRIPTION
LPT
3535
SIZE
100
INDUCTANCE
VALUE (µH)
± 15%
INDUCTANCE TOLERANCE
LA/LB/LC
MODEL
CORE/HEIGHT
LA = KOOL-MU®
LB = POWDER IRON
LC = MPP
SAP PART NUMBERING GUIDELINES (INTERNAL)
L
P
T
3
5
3
5
R
H
1
0
1
L
K
PACKAGE
CODE
INDUCTANCE
VALUE
CORE
TOL.
PRODUCT FAMILY
See the end of this data book for conversion tables
SIZE
www.vishay.com
110
Document Number 34068
Revision 07-Jan-05
For technical questions, contact Magnetics@vishay.com