LPT-3535
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
• 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
ACTUAL IND. (LOC)
(μH)
0.800
1.80
2.45
3.20
5.00
11.3
16.2
26.5
33.8
51.2
101
151
252
328
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
DCR
()
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
RATED I
DC
(40 °C)
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
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
IND. AT I
DC
(L
BIAS
)
(30 %)
0.48 at 7.05
1.07 at 4.70
1.46 at 4.03
1.90 at 3.52
2.98 at 2.82
6.69 at 1.88
9.64 at 1.57
15.7 at 1.23
20.1 at 1.08
30.5 at 0.88
60.2 at 0.63
90.0 at 0.51
150.0 at 0.40
195.0 at 0.35
0.56 at 4.29
0.99 at 3.21
1.54 at 2.57
2.22 at 2.14
3.03 at 1.84
6.81 at 1.22
9.65 at 1.03
15.8 at 0.80
21.1 at 0.70
32.7 at 0.56
65.2 at 0.40
96.3 at 0.33
157.0 at 0.25
208.0 at 0.22
0.52 at 7.05
1.16 at 4.70
1.58 at 4.03
2.06 at 3.52
3.22 at 2.82
7.25 at 1.88
10.43 at 1.57
17.0 at 1.23
21.8 at 1.08
33.0 at 0.88
97.4 at 0.51
65.2 at 0.63
162.0 at 0.51
211.0 at 0.35
Note
• Kool Mu
®
is a registered trademark of Spang & Company
STANDARD ELECTRICAL SPECIFICATIONS
(in parallel)
MODEL
LPT3535ER1R0LK
LPT3535ER1R5LK
LPT3535ER2R5LK
LPT3535ER3R3LK
LPT3535ER5R0LK
LPT3535ER100LK
LPT3535ER150LK
LPT3535ER250LK
LPT3535ER330LK
LPT3535ER500LK
LPT3535ER101LK
LPT3535ER151LK
LPT3535ER251LK
LPT3535ER331LK
LPT3535ER1R0LP
LPT3535ER1R5LP
LPT3535ER2R5LP
LPT3535ER3R3LP
LPT3535ER5R0LP
LPT3535ER100LP
LPT3535ER150LP
LPT3535ER250LP
LPT3535ER330LP
LPT3535ER500LP
LPT3535ER101LP
LPT3535ER151LP
LPT3535ER251LP
LPT3535ER331LP
LPT3535ER1R0LM
LPT3535ER1R5LM
LPT3535ER2R5LM
LPT3535ER3R3LM
LPT3535ER5R0LM
LPT3535ER100LM
LPT3535ER150LM
LPT3535ER250LM
LPT3535ER330LM
LPT3535ER500LM
LPT3535ER101LM
LPT3535ER151LM
LPT3535ER251LM
LPT3535ER331LM
STD. IND.
(μH)
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
1.0
1.5
2.5
3.3
5.0
10
15
25
33
50
100
150
250
330
100 μH
INDUCTANCE
VALUE
IND. TOL.
± 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 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
± 15 %
DESCRIPTION
LPT
MODEL
3535
SIZE
± 15 %
INDUCTANCE
TOLERANCE
A
CORE/HEIGHT
K = KOOL MU
®
(A)
P = POWDERED IRON (B)
M = MPP (C)
ER
PACKAGE CODE
ER = Reel
EB = Bulk
e2
JEDEC LEAD (Pb)-FREE
STANDARD
GLOBAL PART NUMBER
L
P
T
3
5
SIZE
3
5
E
R
1
0
1
L
TOL.
K
CORE
PRODUCT FAMILY
PACKAGE CODE
INDUCTANCE VALUE
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: 34068
Revision: 24-Feb-11
For technical questions, contact:
magnetics@vishay.com
www.vishay.com
1
MPP (C)
POWDERED IRON (B)
KOOL MU
®
CORE (A)
LPT-3535
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]
0.350 ± 0.005 Dia.
[8.89 ± 0.127]
1
Dimensional Outline
0.362 ± 0.005 Dia.
[9.19 ± 0.127]
0.392 sq.
[9.96 sq.]
0.120
[3.05]
2
Vishay Dale
LPT-3535-
xxxLX
3
4
0.450 [11.43]
Max.
0.392 sq.
[9.96 sq.]
0.235
[5.97]
Max.
SCHEMATICS
(connection diagrams)
Transformer
1
4
PART MARKING
- Vishay Dale
- Model number
Parallel
1
4
Series
1
4
2
3
2
3
2
3
- Pin 1 identification
PACKAGING
in inches [millimeters]
All embossed carrier tape packaging will be in compliance
with the latest revision of EIA-481.
CARRIER TAPE WIDTH
0.945 [24.0]
PITCH
0.630 [16.0]
PARTS PER 13" [330.2] REEL
600
DALE
LPT-[
]
[
]
[DATE CODE]
DALE
LPT-[
]
[
]
[DATE CODE]
DALE
LPT-[
]
[
]
[DATE CODE]
REELING DIRECTION
www.vishay.com
2
For technical questions, contact:
magnetics@vishay.com
Document Number: 34068
Revision: 24-Feb-11
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
1
