LPT-4545-xxxLA, LB, LC

Vishay Dale

Document Number 34069

Revision 28-Aug-02

www.vishay.com

112

For technical questions, contact Magnetics@vishay.com

SAP PART NUMBERING GUIDELINES (INTERNAL)

PRODUCT FAMILY

SIZE

See the end of this data book for conversion tables

INDUCTANCE

VALUE

PACKAGE

CODE

TOL.

CORE

LP

T

4

5

4

5

R

H

1

0

1

L

K

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.

Inductors/Transformers, Customizable, Surface Mount

Torodial, Kool-Mu

LPT-4545-1R0LA

LPT-4545-1R5LA

LPT-4545-2R5LA

LPT-4545-3R3LA

LPT-4545-5R0LA

LPT-4545-100LA

LPT-4545-150LA

LPT-4545-200LA

LPT-4545-250LA

LPT-4545-330LA

LPT-4545-500LA

LPT-4545-101LA

LPT-4545-151LA

LPT-4545-251LA

LPT-4545-301LA

LPT-4545-331LA

STANDARD ELECTRICAL SPECIFICATIONS [In Parallel]

MODEL

ACTUAL IND. –

RATED IDC

(40

IND. @ IDC

DCR

Ω

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

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

0.51 @ 7.62

0.80 @ 6.10

1.57 @ 4.35

2.05 @ 3.81

3.20 @ 3.05

6.28 @ 2.18

9.26 @ 1.79

12.4 @ 1.53

15.5 @ 1.39

20.0 @ 1.22

30.8 @ 0.98

62.0 @ 0.69

93.4 @ 0.56

153.0 @ 0.44

179.0 @ 0.40

205.0 @ 0.38

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

LPT-4545-1R0LC

LPT-4545-1R5LC

LPT-4545-2R5LC

LPT-4545-3R3LC

LPT-4545-5R0LC

LPT-4545-100LC

LPT-4545-150LC

LPT-4545-250LC

LPT-4545-330LC

LPT-4545-500LC

LPT-4545-101LC

LPT-4545-151LC

LPT-4545-251LC

LPT-4545-331LC

LB=POWDER IRON

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

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

0.53 @ 7.09

0.76 @ 5.91

1.71 @ 3.94

2.11 @ 3.54

3.57 @ 2.73

6.84 @ 1.97

9.31 @ 1.69

16.5 @ 1.27

21.6 @ 1.11

32.1 @ 0.91

66.2 @ 0.63

94.7 @ 0.53

156.0 @ 0.41

211.0 @ 0.35

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

LC=MPP

LPT-4545-1R0LB

LPT-4545-1R5LB

LPT-4545-2R5LB

LPT-4545-3R3LB

LPT-4545-5R0LB

LPT-4545-100LB

LPT-4545-150LB

LPT-4545-250LB

LPT-4545-330LB

LPT-4545-500LB

LPT-4545-101LB

LPT-4545-151LB

LPT-4545-251LB

LPT-4545-331LB

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

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 @ 11.11

0.84 @ 8.89

1.64 @ 6.35

2.14 @ 5.56

3.35 @ 4.45

6.56 @ 3.18

9.68 @ 2.61

16.2 @ 2.02

20.9 @ 1.78

32.2 @ 1.43

64.8 @ 1.01

97.7 @ 0.82

159.0 @ 0.64

214.0 @ 0.56

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

1.0

1.5

2.5

3.3

5.0

10

15

20

25

33

50

100

150

250

300

330

STANDARD

IND. VALUES

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

DIMENSIONS in inches [millimeters]

DESCRIPTION

100

INDUCTANCE

VALUE (

µH)

4545

SIZE

INDUCTANCE TOLERANCE

LA/LB/LC

CORE/HEIGHT

LB = POWDER IRON

LC = MPP

LPT

MODEL

0.160

[4.06]

0.120

[3.05]

0.492 sq.

[12.5 sq.]

0.492 sq.

[12.5 sq.]

Pad Layout

Dimensional Outline

2

3

1

4

Vishay Dale

LPT-4545-

xxxLX

0.450

[11.43

0.462

[11.73

0.550 [13.97]

Max.

0.250

[6.350]

Max.