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NPI Unshielded Power Inductors

FEATURES

• NON-SHIELDED MAGNETIC CIRCUIT DESIGN

• SMALL SIZE WITH CURRENT RATINGS TO 16.5 AMPS

• SURFACE MOUNTABLE CONSTRUCTION

• TAKES UP LESS PCB REAL ESTATE AND SAVES MORE POWER

• TAPED AND REELED FOR AUTOMATIC INSERTION

• FOR USE IN VARIOUS POWER SUPPLY APPLICATIONS

RoHS

Compliant

NPI__LS Series

includes all homogeneous materials

*See Part Number System for Details

Case Size

Inductance Range

Operating Temperature Range

Temperatrue Rise at Irms

Inductance Change at Isat

Inductance Tolerance

Resistance to Solder Heat

NPI31LS

1.2 ~ 47μH

NPI32LS

0.75 ~ 82μH

NPI35LS

0.68 ~ 47μH

+40°C

NPI41LS

0.68 ~ 68μH

NPI42LS

1.2 ~ 82μH

-25°C ~ +120°C (Including Self-Heating)

Maximum -30% Indcutance Drop From Initial Measured Value

±20%

+260°C for 10 seconds

Case Size

Inductance Range

Ambient Operating Temperature Range

Temperatrue Rise at Irms

Inductance Change at Isat

Inductance Tolerance

Resistance to Solder Heat

NPI43LS

0.91 ~ 330μH

NPI63LS

1.2 ~ 82μH

+40°C

NPI65LS

1.0 ~ 270μH

NPI84LS

0.75 ~ 82μH

-25°C ~ +120°C (Including Self-Heating)

Maximum -30% Indcutance Drop From Initial Measured Value

±20%

+260°C for 10 seconds

Series

NPI31LS

NPI32LS

NPI35LS

NPI41LS

NPI42LS

NPI43LS

NPI63LS

NPI65LS

NPI84LS

A ± 0.3

3.0

4.0

6.0

8.0

B ± 0.3

3.0

4.0

6.0

8.0

C max.

1.2

1.4

1.7

1.4

2.2

3.0

2.8

4.5

4.2

D ± 0.3

0.75

0.95

1.55

2.0

F ± 0.3

1.5

2.1

2.9

4.0

2.7

3.7

5.7

7.5

0.8

1.1

1.6

2.2

2.3

3.0

4.6

6.0

PART NUMBER SYSTEM

NPIS 31 LS 470 M TR F

RoHS Compliant

Series

Packaging: TR = Tape & Reel

Inductance Tolerance Code: M=±20%

Inductance Code (μH): 1st two digits are signiﬁcant,

3rd digit is multiplier.

Construction Code (see drawing for details)

Size Code (see table for details)

NIC COMPONENTS CORP.

www.niccomp.com

www.lowESR.com

www.RFpassives.com

www.SMTmagnetics.com

NPI Unshielded Power Inductors

Standard Values - Case Size 31 (3.0 x 3.0 x 1.2mm)

Series

NPI31LS1R2MTRF

NPI31LS1R5MTRF

NPI31LS1R8MTRF

NPI31LS2R2MTRF

NPI31LS2R7MTRF

NPI31LS3R3MTRF

NPI31LS3R9MTRF

NPI31LS4R7MTRF

NPI31LS5R6MTRF

NPI31LS6R2MTRF

NPI31LS6R8MTRF

NPI31LS7R5MTRF

NPI31LS9R1MTRF

NPI31LS100MTRF

NPI31LS120MTRF

NPI31LS150MTRF

NPI31LS180MTRF

NPI31LS220MTRF

NPI31LS270MTRF

NPI31LS330MTRF

NPI31LS360MTRF

NPI31LS390MTRF

NPI31LS470MTRF

Inductance

(μH)

1.2

1.5

1.8

2.2

2.7

3.3

3.9

4.7

5.6

6.2

6.8

7.5

9.1

Tolerance

±20%

Test Conditions

100KHz, 1V

DCR

(Ω)

0.082

0.097

0.108

0.125

0.143

0.169

0.21

0.243

0.306

0.333

0.383

0.389

0.502

0.526

0.599

0.772

1.06

1.11

1.38

1.8

1.95

2.095

2.46

Isat

(Amps)

2.25

2.02

1.75

1.64

1.51

1.37

1.24

1.16

1.04

0.98

0.92

0.88

0.77

0.75

0.7

0.62

0.56

0.52

0.48

0.42

0.4

0.36

Irms

(Amps)

1.14

1.05

1.0

0.9

0.85

0.8

0.7

0.65

0.6

0.55

0.5

0.45

0.4

0.35

0.3

0.25

0.2

NPI__LS Series

SRF

(MHz)

170

140

110

100

Irms specification is based on +20°C temperature rise. Isat is based on -30% inductance change.

NIC COMPONENTS CORP.

www.niccomp.com

www.lowESR.com

www.RFpassives.com

www.SMTmagnetics.com

NPI Unshielded Power Inductors

Standard Values - Case Size 32 (3.0 x 3.0 x 1.4mm)

Series

NPI32LSR75MTRF

NPI32LS1R0MTRF

NPI32LS2R2MTRF

NPI32LS3R3MTRF

NPI32LS3R9MTRF

NPI32LS4R7MTRF

NPI32LS5R6MTRF

NPI32LS6R2MTRF

NPI32LS 6R8MTRF

NPI32LS7R5MTRF

NPI32LS9R1MTRF

NPI32LS100MTRF

NPI32LS120MTRF

NPI32LS150MTRF

NPI32LS180MTRF

NPI32LS220MTRF

NPI32LS270MTRF

NPI32LS330MTRF

NPI32LS360MTRF

NPI32LS390MTRF

NPI32LS470MTRF

NPI32LS510MTRF

NPI32LS560MTRF

NPI32LS620MTRF

NPI32LS680MTRF

NPI32LS820MTRF

Inductance

(μH)

0.75

1.0

2.2

3.3

3.9

4.7

5.6

6.2

6.8

7.5

9.1

Tolerance

±20%

Test Conditions

100KHz, 1V

DCR

(Ω)

0.037

0.045

0.097

0.164

0.177

0.212

0.227

0.246

0.27

0.285

0.357

0.378

0.503

0.663

0.762

0.864

1.005

1.145

1.49

1.585

1.78

1.88

2.21

2.19

2.99

3.505

Isat

(Amps)

3.31

2.93

2.02

1.62

1.49

1.36

1.28

1.22

1.16

1.07

0.98

0.95

0.84

0.75

0.68

0.62

0.57

0.5

0.48

0.47

0.44

0.42

0.38

0.39

0.35

0.31

Irms

(Amps)

1.74

1.59

1.08

0.83

0.8

0.73

0.71

0.68

0.65

0.63

0.56

0.55

0.48

0.41

0.39

0.36

0.34

0.32

0.28

0.27

0.25

0.23

0.2

0.18

NPI__LS Series

SRF

(MHz)

180

150

100

Irms specification is based on +20°C temperature rise. Isat is based on -30% inductance change.

NIC COMPONENTS CORP.

www.niccomp.com

www.lowESR.com

www.RFpassives.com

www.SMTmagnetics.com

NPI Unshielded Power Inductors

Standard Values - Case Size 35 (3.0 x 3.0 x 1.7mm)

Series

NPI35LSR68MTRF

NPI35LS1R0MTRF

NPI35LS1R2MTRF

NPI35LS1R5MTRF

NPI35LS1R8MTRF

NPI35LS2R2MTRF

NPI35LS2R7MTRF

NPI35LS3R3MTRF

NPI35LS3R6MTRF

NPI35LS3R9MTRF

NPI35LS4R7MTRF

NPI35LS5R6MTRF

NPI35LS6R8MTRF

NPI35LS100MTRF

NPI35LS120MTRF

NPI35LS150MTRF

NPI35LS180MTRF

NPI35LS220MTRF

NPI35LS270MTRF

NPI35LS330MTRF

NPI35LS360MTRF

NPI35LS390MTRF

NPI35LS430MTRF

NPI35LS470MTRF

Inductance

(μH)

0.68

1.0

1.2

1.5

1.8

2.2

2.7

3.3

3.6

3.9

4.7

5.6

6.8

Tolerance

±20%

Test Conditions

100KHz, 1V

DCR

(Ω)

0.028

0.04

0.053

0.06

0.068

0.089

0.106

0.116

0.128

0.146

0.206

0.222

0.253

0.328

0.451

0.52

0.565

0.763

1.006

1.156

1.223

1.298

1.372

1.447

Isat

(Amps)

3.81

3.27

2.84

2.6

2.32

2.07

1.01

1.79

1.66

1.62

1.44

1.37

1.24

1.06

0.9

0.82

0.75

0.7

0.62

0.56

0.53

0.51

0.5

0.48

Irms

(Amps)

2.23

1.85

1.61

1.51

1.41

1.24

1.13

1.09

1.03

0.97

0.82

0.79

0.73

0.65

0.55

0.5

0.42

0.37

0.34

0.33

0.32

0.31

NPI__LS Series

SRF

(MHz)

170

150

133

113

Irms specification is based on +20°C temperature rise. Isat is based on -30% inductance change.

NIC COMPONENTS CORP.

www.niccomp.com

www.lowESR.com

www.RFpassives.com

www.SMTmagnetics.com

NPI Unshielded Power Inductors

Standard Values - Case Size 41 (4.0 x 4.0 x 1.4mm)

Series

NPI41LSR68MTRF

NPI41LS1R0MTRF

NPI41LS1R5MTRF

NPI41LS1R8MTRF

NPI41LS2R7MTRF

NPI41LS3R3MTRF

NPI41LS3R6MTRF

NPI41LS4R7MTRF

NPI41LS5R1MTRF

NPI41LS6R8MTRF

NPI41LS7R5MTRF

NPI41LS8R2MTRF

NPI41LS9R1MTRF

NPI41LS100MTRF

NPI41LS120MTRF

NPI41LS150MTRF

NPI41LS180MTRF

NPI41LS220MTRF

NPI41LS270MTRF

NPI41LS330MTRF

NPI41LS360MTRF

NPI41LS390MTRF

NPI41LS430MTRF

NPI41LS470MTRF

NPI41LS510MTRF

NPI41LS620MTRF

NPI41LS680MTRF

Inductance

(μH)

0.68

1.0

1.5

1.8

2.7

3.3

3.6

4.7

5.1

6.8

7.5

8.2

9.1

Tolerance

±20%

Test Conditions

100KHz, 1V

DCR

(Ω)

0.053

0.067

0.081

0.097

0.113

0.129

0.147

0.164

0.182

0.269

0.289

0.313

0.339

0.367

0.394

0.502

0.587

0.791

0.905

1.196

1.246

1.341

1.451

1.558

1.664

2.223

2.37

Isat

(Amps)

4.56

3.74

3.16

2.85

2.56

2.32

2.18

1.98

1.82

1.6

1.49

1.4

1.36

1.31

1.23

1.09

1.0

0.89

0.82

0.71

0.68

0.65

0.63

0.61

0.58

0.51

0.49

Irms

(Amps)

1.63

1.45

1.32

1.2

1.12

1.04

0.98

0.92

0.88

0.72

0.7

0.67

0.64

0.62

0.6

0.53

0.49

0.42

0.39

0.34

0.32

0.31

0.3

0.29

0.25

0.24

NPI__LS Series

SRF

(MHz)

140

110

100

Irms specification is based on +20°C temperature rise. Isat is based on -30% inductance change.

NIC COMPONENTS CORP.

www.niccomp.com

www.lowESR.com

www.RFpassives.com

www.SMTmagnetics.com