
52
NIC COMPONENTS CORP. www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
53
NIC COMPONENTS CORP. www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
NPI Power Inductors
NPI__C Series
Series
A
B
C
G (Ref)
H (Ref)
I (Ref)
NPI32C
3.50 ± 0.3
3.00 ± 0.3
2.10 ± 0.3
1.1
3.3
1.30
NPI43C
4.50 ± 0.3
4.00 ± 0.3
3.20 ± 0.3
1.5
4.5
1.75
NPI52C
5.80 ± 0.3
5.20 ± 0.3
2.00 ± 0.3
1.7
5.5
2.15
NPI54C
5.80 ± 0.3
5.20 ± 0.3
4.50 ± 0.3
1.7
5.5
2.15
NPI73C
7.80 ± 0.3
7.00 ± 0.3
3.50 ± 0.5
2.0
7.5
3.0
NPI75C
7.80 ± 0.3
7.00 ± 0.3
5.00 ± 0.5
2.0
7.5
3.0
NPI104C
10.0 ± 0.3
9.00 ± 0.3
4.00 ± 0.5
2.5
9.5
3.75
NPI105C
10.0 ± 0.4
9.00 ± 0.4
5.40 ± 0.4
2.5
9.5
3.75
A
B
150
G
I
H
I
REFLOW SOLDERING
LAND PATTERN
DIMENSIONS (mm)
FEATURES
HIGH CURRENT, SMALL SIZE (UP TO 4 AMPS)
SURFACE MOUNTABLE CONSTRUCTION
HIGH INDUCTANCE (UP TO 820
H)
TAPED AND REELED FOR AUTOMATIC INSERTION
FOR USE IN DC/DC CONVERTERS, DC/AC INVERTERS
Pb-FREE COMPATIBLE
CHARACTERISTICS
Case Size
NPI32C
NPI43C
NPI52C
NPI54C
NPI73C
NPI75C
NPI104C
NPI105C
Inductance Range
1 ~ 470
H 1 ~ 560H 1 ~ 560H
1 ~ 680
H 10 ~ 330H 10 ~ 470H 10 ~ 560H 10 ~ 820H
Inductance Tolerance
10% (K), 20% (M)
Operating Temperature Range
-40°C ~ +105°C
Inductance Change at Isat
-30% max.
Temperature Raise at Isat
+40°C max.
Resistance to Solder Heat
260°C for 10 seconds
C
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
Temper
ature
°C
NPI 43 C 4R7 M TR F
Termination Finish:
F = Pb-free/RoHS Compliant (100%Sn)
B = Sn-Pb (Optional)
Packaging: TR = Tape & Reel
Inductance Tolerance Code: M=±20%
Inductance Code (
H): 1st two digits are significant,
3rd digit is multiplier for values from 10
H and up.
Construction Code (see drawing for details)
Size Code (see table for details)
Series
PART NUMBER SYSTEM
RoHS
Compliant
includes all homogeneous materials
*See Part Number System for Details