NPI Power Inductors
RoHS
FEATURES
Compliant
• ULTRA HIGH CURRENT (UP TO 33.4 AMPS)
includes all homogeneous materials
• SURFACE MOUNTABLE CONSTRUCTION
*See Part Number System for Details
• INDUCTANCE VALUES UP TO 1,400µH)
• TAPED AND REELED FOR AUTOMATIC INSERTION
• FOR USE IN DC/DC CONVERTERS, STEPDOWN CONVERTERS
CHARACTERISTICS
Case Size
Inductance Range
Ambient Operating Temperature Range
Maximum Component Temperature
(Ambient + Self-Heating)
Temperature Rise at Irms
Inductance Change at Isat
Inductance Tolerance
Resistance to Solder Heat
NPI31P
0.33 ~ 4.7µH
NPI52P
0.78 ~ 1,000µH
NPI53P
15 ~ 1,400µH
NPI55P
2.8 ~ 10µH
NPI__P Series
-40°C ~ +85°C
+125°C
40°C max.
-10% typical
20% (M), 10% (K)
260°C for 10 seconds
PART NUMBER SYSTEM
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
DIMENSIONS (mm)
Series
NPI31P
NPI52P
NPI53P
NPI55P
A
9.9*
15.2*
15.2
16.3
B
13.2*
18.5*
18.5
22.4
C
6.4*
8.0*
12.0
12.0
G (Ref)
8.6*
14.0*
14.0
14.3
H (Ref)
4.1*
6.4*
6.4
11.9
I (Ref)
1.6*
1.9*
1.9
3.2
CONSTRUCTION
LAND PATTERN
H
A
G
I
300
Temperature °C
250
200
150
100
50
25
Pre-Heat
150°C ~ 180°C
60 ~ 120 sec.
Time above 230°C
30 seconds max.
Cool Down
REFLOW SOLDERING PROFILE
Soldering 260°C max.
5 seconds max.
B
C
90 120 150 180 210 240 270 300
Time - Seconds
®
*Specifications reflect recent product changes. For more information refer to PCN announcement [Link]
30
60
70
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
NPI Power Inductors
STANDARD VALUES - CASE SIZE 31 (13.2
x 9.9 x 6.4mm*)
Part Number
NPI31PR12MTRF
NPI31PR33MTRF
NPI31PR68MTRF
NPI31P1R0MTRF
NPI31P1R5MTRF
NPI31P2R2MTRF
NPI31P2R7MTRF
NPI31P3R3MTRF
NPI31P4R7MTRF
Inductance Value
(µH)
0.12 ± 20%
0.33 ± 20%
0.68 ± 20%
1.0 ± 20%
1.5 ± 20%
2.2 ± 20%
2.7 ± 20%
3.3 ± 20%
4.7 ± 20%
SRF (Typical)
MHz
380
300
200
100
90
90
65
65
45
DC Resistance
(Ω)
0.0015
0.002
0.005
0.012
0.008
0.011
0.012
0.014
0.018
DC Current
Irms (Amps)
17
16
12
10
9.0
7.4
6.6
5.9
4.8
DC Current
Isat (Amps)
28
20
13
11
9.0
7.8
7.0
6.4
5.4
NPI__P Series
Test Fre-
quency
100KHz
Maximum +40°C temperature rise at Irms. Typical -10% inductance change at Isat.
STANDARD VALUES - CASE SIZE 52 (18.5
x 15.2 x 8.00mm*)
Part Number
NPI52PR78MTRF
NPI52P1R5MTRF
NPI52P2R2MTRF
NPI52P3R3MTRF
NPI52P3R9MTRF
NPI52P4R7MTRF
NPI52P6R0MTRF
NPI52P7R8MTRF
NPI52P100MTRF
NPI52P150MTRF
NPI52P150MTRF
NPI52P220MTRF
NPI52P330MTRF
NPI52P470MTRF
NPI52P680MTRF
NPI52P101MTRF
NPI52P151MTRF
NPI52P221MTRF
NPI52P331MTRF
NPI52P471MTRF
NPI52P681MTRF
NPI52P102MTRF
Inductance Value
(µH)
0.78 ± 20%
1.5 ± 20%
2.2 ± 20%
3.3 ± 20%
3.9 ± 20%
4.7 ± 20%
6.0 ± 20%
7.8 ± 20%
10 ± 20%
12 ± 20%
15 ± 20%
22 ± 20%
33 ± 20%
47 ± 20%
68 ± 20%
100 ± 20%
150 ± 20%
220 ± 20%
330 ± 20%
470 ± 20%
680 ± 20%
1000 ± 20%
SRF (Typical)
MHz
156
100
60
55
35
35
35
28
28
26
20
20
15
9
8
7
6
5
4
3
2.5
2.0
DC Resistance
(Ω)
0.0026
0.004
0.006
0.0086
0.01
0.014
0.017
0.018
0.026
0.028
0.032
0.047
0.066
0.086
0.13
0.19
0.25
0.38
0.56
0.85
1.1
1.8
DC Current
Irms (Amps)
15
15
12
10
9
8.4
7.5
7.5
6
5.2
4.4
3.5
3
2.6
2.3
1.8
1.5
1.2
1
0.82
0.72
0.56
DC Current
Isat (Amps)
30
25
20
17
15
13
12
11
10
8.5
8
7
5.5
4.5
3.5
3
2.6
2.4
1.9
1.4
1.2
1
1KHz
100KHz
Test Fre-
quency
Maximum +40°C temperature rise at Irms. Typical -10% inductance change at Isat.
®
*Specifications reflect recent product changes. For more information refer to PCN announcement [Link]
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
71
NPI Power Inductors
STANDARD VALUES - CASE SIZE 50 (18.5 x 15.2 x 12.00mm)
Part Number
NPI53P150MTRF
NPI53P180MTRF
NPI53P220MTRF
NPI53P330MTRF
NPI53P470MTRF
NPI53P680MTRF
NPI53P101MTRF
NPI53P331KTRF
NPI53P681KTRF
NPI53P142KTRF
Inductance Value
(µH)
15 ± 20%
18 ± 20%
22 ± 20%
33 ± 20%
47 ± 20%
68 ± 20%
100 ± 20%
330 ± 10%
680 ± 10%
1400 ± 10%
SRF (Typical)
MHz
18
16
16
13
8
7
6
3
2
1
DC Resistance
(Ω)
0.02
0.022
0.024
0.037
0.052
0.067
0.115
0.325
0.178
1.3
DC Current
Irms (Amps)
6.5
6
5.7
4.5
3.7
3.4
2.8
1.5
1.1
0.7
DC Current
Isat (Amps)
13.8
13.2
11.8
9.6
7.8
6.7
5.6
3
2
1.5
NPI__P Series
Test Fre-
quency
1KHz
Maximum +40°C temperature rise at Irms. Typical -10% inductance change at Isat.
STANDARD VALUES - CASE SIZE 54 (22.4 x 16.3 x 12.00mm)
Part Number
NPI55P2R8MTRF
NPI55P3R9MTRF
NPI55P6R8MTRF
NPI55P100MTRF
NPI55P120MTRF
Inductance Value
(µH)
2.8 ± 20%
3.9 ± 20%
6.8 ± 20%
10 ± 20%
12 ± 20%
SRF (Typical)
MHz
65
40
30
22
21
DC Resistance
(Ω)
0.005
0.006
0.009
0.011
0.013
DC Current
Irms (Amps)
12.1
11.2
9.6
8.6
7.4
DC Current
Isat (Amps)
33.4
26.8
22.5
17.8
15.9
1KHz
100KHz
Test Fre-
quency
Maximum +40°C temperature rise at Irms. Typical -10% inductance change at Isat.
®
72
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
PCB Design
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