Datasheet

1
NIC COMPONENTS CORP. www.niccomp.com www.lowESR.com www.RFpassives.com www.SMTmagnetics.com
®
Specifi cations 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 ~ 1000μH 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
*Specifi cations refl ect 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 signifi cant,
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