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NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com

www.RFpassives.com

www.SMTmagnetics.com

®

Specifications are subject to change

NPI Power Inductors

NPI__W Series

FEATURES

• HIGH CURRENT, SMALL SIZE (UP TO 8.6 AMPS)

• SURFACE MOUNTABLE CONSTRUCTION

• HIGH INDUCTANCE (UP TO 1000µH)

• TAPED AND REELED FOR AUTOMATIC INSERTION

• FOR USE IN DC/DC CONVERTERS

CHARACTERISTICS

Case Size

NPI16W

NPI31W

NPI34W

NPI52W

Inductance Range

1 ~ 1000µH

1.0 ~ 3300µH

10 ~ 1000µH

1 ~ 1000µH

Ambient Operating Temperature Range

-40°C ~ +85°C*

Maximum Component Temperature

(Ambient + Self-Heating)

+125°C*

Temperature Rise at Irms

40°C max.

Inductance Change at Isat

-10% typical

Inductance Tolerance

20% (M)

Resistance to Solder Heat

260°C for 10 seconds

Series

A

B

C

D

E

F

G (Ref)

H (Ref)

I (Ref)

NPI16W

4.45 Max

6.60 Max

2.92 Max

1.02 ± 0.2

1.27 ± 0.2

4.32 ± 0.3

4.06

3.56

1.4

NPI31W

9.30 ± 0.2

12.80 ± 0.2

5.00 ± 0.3

2.40 ± 0.2

2.50 ± 0.2

7.60 ± 0.3

7.3

2.8

3

NPI34W

9.30 ± 0.2

12.80 ± 0.2

11.0 ± 0.5

2.40 ± 0.2

2.50 ± 0.2

7.60 ± 0.3

7.3

2.8

3

NPI52W

15.0 ± 0.3

18.40 ± 0.3

7.00 ± 0.5

2.40 ± 0.2

2.20 ± 0.2

13.30 ± 0.3

12.7

2.8

3

DIMENSIONS (mm)

G

I

H

LAND PATTERN

CONSTRUCTION

A

C

D

E

NPI16W

NPI30W, 31W, 34W

AND 52W

B

F

C

E

B

D

F

A

*See Part Number System for Details

RoHS

Compliant

includes all homogeneous materials

*Specifications reflect recent product changes. For more information refer to PCN announcement [Link]

NPI 31 W 4R7 M TR F

RoHS Compliant

Packaging: TR = Tape & Reel

Inductance Tolerance Code: M=±20%

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

3rd digit is multiplier for values from 10µH and up.

Construction Code (see drawing for details)

Size Code (see table for details)

Series

PART NUMBER SYSTEM