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 oper
ated 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
LA=KOOL-MU
®
CORE
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
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
LC=MPP
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
Document Number 34068
Revision 04-Dec-01
STANDARD
ACTUAL INDUCTANCE –
m
H RATED IDC
INDUCTANCE VALUES
(40
∞
C )
(L
OC
)
±
15%
0.800
1.0
6.42
1.80
4.77
1.5
2.45
4.45
2.5
3.20
3.73
3.3
5.00
3.01
5.0
11.3
1.95
10
16.2
15
1.59
26.5
1.25
25
33.8
1.05
33
51.2
0.84
50
101
0.63
100
151
0.57
150
252
0.40
250
328
330
0.33
¨
INDUCTANCE @ IDC
(L
BIAS
) [30%]
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
0.56 @ 4.29
0.99 @ 3.21
1.54 @ 2.57
2.22 @ 2.14
3.03 @ 1.84
6.81 @ 1.22
9.65 @ 1.03
15.8 @ 0.80
21.1 @ 0.70
32.7 @ 0.56
65.2 @ 0.40
96.3 @ 0.33
157.0 @ 0.25
208.0 @ 0.22
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
33.0 @ 0.88
97.4 @ 0.51
65.2 @ 0.63
162.0 @ 0.51
211.0 @ 0.35
DCR
W
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
0.004
0.005
0.009
0.013
0.018
0.043
0.064
0.103
0.147
0.230
0.424
0.645
1.031
1.463
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
1.0
1.5
2.5
3.3
5.0
10
15
25
33
50
100
150
250
330
1.0
1.5
2.5
3.3
5.0
10
15
25
33
50
100
150
250
330
0.882
1.57
2.45
3.53
4.80
10.8
15.3
25.1
33.5
51.8
104
153
250
330
0.800
1.80
2.45
3.20
5.00
11.3
16.2
26.5
33.8
51.2
101
151
252
328
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
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
For technical questions, contact Magnetics@vishay.com
www.vishay.com
65
LPT-3535xxx-LA, LB, LC
Vishay Dale
DIMENSIONS
in inches [millimeters]
RECOMMENDED LAYOUT PATTERN
(Top View)
[Numbers in brackets indicate millimeters]
0.160
[4.06]
0.350
±
0.005 Dia.
[8.89
±
0.127]
1
0.362
±
0.005 Dia.
[9.19
±
0.127]
2
Vishay Dale
LPT-3535-
xxxLX
3
4
0.450 [11.43]
Max.
0.392 sq.
[9.96 sq.]
0.120
[3.05]
0.235
[5.97]
Max.
0.392 sq.
[9.96 sq.]
SCHEMATICS - CONNECTION DIAGRAMS
Transformer
1
4
1
PART MARKING
Parallel
4
1
Series
4
— Vishay Dale
— Model number
— Pin 1 identification
2
3
2
3
2
3
ORDERING INFORMATION
LPT
MODEL
3535
SIZE
100
INDUCTANCE
VALUE (mH)
±
15%
INDUCTANCE TOLERANCE
LA/LB/LC
CORE/HEIGHT
LA = KOOL-MU
®
LB = POWDER IRON
LC = MPP
PACKAGING
in inches [millimeters]
Pocket Tape Orientation
Carrier Tape Width
Pitch
Parts per 13" [330.2] Reel
DALE
LPT-[
]
[
]
[DATE CODE]
DALE
LPT-[
]
[
]
[DATE CODE]
DALE
LPT-[
]
[
]
[DATE CODE]
0.945
[24.0]
0.630
[16.0]
600
All embossed carrier tape
packaging will be in
compliance with the latest
revision of
EIA-481.
REELING DIRECTION
www.vishay.com
66
For technical questions, contact Magnetics@vishay.com
Document Number 34068
Revision 04-Dec-01
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