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

www.RFpassives.com

www.SMTmagnetics.com

®

NPI Power Inductors

NPI__P Series

Series

A

B

C

G (Ref)

H (Ref)

I (Ref)

NPI31P

9.9*

13.2*

6.4*

8.6*

4.1*

1.6*

NPI52P

15.2*

18.5*

8.0*

14.0*

6.4*

1.9*

NPI53P

15.2

18.5

12.0

14.0

6.4

1.9

NPI55P

16.3

22.4

12.0

14.3

11.9

3.2

FEATURES

• ULTRA HIGH CURRENT (UP TO 33.4 AMPS)

• SURFACE MOUNTABLE CONSTRUCTION

• INDUCTANCE VALUES UP TO 1,400µH)

• TAPED AND REELED FOR AUTOMATIC INSERTION

• FOR USE IN DC/DC CONVERTERS, STEPDOWN CONVERTERS

CHARACTERISTICS

NPI 31 P 4R7 M TR F

Termination Finish:

F = RoHS Compliant

Packaging: TR = Tape & Reel

Inductance Tolerance Code: M=±20%

Inductance Code (µH): 1st two digits are significant, R is deci-

mal point, 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

DIMENSIONS (mm)

LAND PATTERN

Case Size

NPI31P

NPI52P

NPI53P

NPI55P

Inductance Range

0.33 ~ 4.7µH

0.78 ~ 1,000µH

15 ~ 1,400µH

2.8 ~ 10µH

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), 10% (K)

Resistance to Solder Heat

260°C for 10 seconds

CONSTRUCTION

A

B

C

G

I

H

REFLOW SOLDERING PROFILE

Soldering 260°C max.

5 seconds max.

Cool Down

60 ~ 120 sec.

25

50

100

150

200

250

300

Pre-Heat

150°C ~ 180°C

Time above 230°C

30 seconds max.

30

60

90 120 150 180 210 240 270 300

Time - Seconds

*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]