NPI Power Inductors
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
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
NPI16W
1 ~ 1000μH
NPI31W
1.0 ~ 1000μH
NPI34W
10 ~ 1000μH
NPI52W
1 ~ 1000μH
NPI__W Series
RoHS
Compliant
includes all homogeneous materials
*See Part Number System for Details
-40°C ~ +85°C*
+125°C*
40°C max.
-10% typical
20% (M)
260°C for 10 seconds
DIMENSIONS (mm)
Series
NPI16W
NPI31W
NPI34W
NPI52W
A
4.45 Max
9.30 ± 0.2
9.30 ± 0.2
15.0 ± 0.3
B
6.60 Max
12.80 ± 0.2
12.80 ± 0.2
18.40 ± 0.3
C
2.92 Max
5.00 ± 0.3
11.0 ± 0.5
7.00 ± 0.5
D
1.02 ± 0.2
2.40 ± 0.2
2.40 ± 0.2
2.40 ± 0.2
E
1.27 ± 0.2
2.50 ± 0.2
2.50 ± 0.2
2.20 ± 0.2
F
4.32 ± 0.3
7.60 ± 0.3
7.60 ± 0.3
13.30 ± 0.3
G (Ref)
4.06
7.3
7.3
12.7
H (Ref)
3.56
2.8
2.8
2.8
I (Ref)
1.4
3
3
3
PART NUMBER SYSTEM
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
CONSTRUCTION
NPI16W
NPI30W, 31W, 34W
AND 52W
A
A
B
C
F
D
B
C
F
D
LAND PATTERN
H
E
E
G
I
®
*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
Specifications are subject to change
1
NPI Power Inductors
STANDARD VALUES - CASE SIZE 16 (4.45 x 6.6 x 2.92mm)
Part Number
NPI16W1R0MTRF
NPI16W1R5MTRF
NPI16W2R2MTRF
NPI16W3R3MTRF
NPI16W4R7MTRF
NPI16W6R8MTRF
NPI16W100MTRF
NPI16W150MTRF
NPI16W220MTRF
NPI16W330MTRF
NPI16W470MTRF
NPI16W680MTRF
NPI16W101MTRF
NPI16W151MTRF
NPI16W221MTRF
NPI16W331MTRF
NPI16W471MTRF
NPI16W681MTRF
NPI16W102MTRF
Inductance Value
(μH)
1.0 ± 20%
1.5 ± 20%
2.2 ± 20%
3.3 ± 20%
4.7 ± 20%
6.8 ± 20%
10 ± 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
130
115
90
70
50
45
35
30
20
15
14
11
9.0
6.0
5.5
5.0
4.0
3.0
2.0
DC Resistance
(Ω)
0.05
0.05
0.07
0.08
0.09
0.13
0.16
0.23
0.37
0.51
0.64
0.86
1.27
2.00
3.11
3.80
6.78
9.20
13.8
DC Current
Irms (Amps)
2.9
2.8
2.4
2.0
1.5
1.4
1.1
1.0
0.80
0.60
0.50
0.40
0.30
0.25
0.20
0.16
0.15
0.12
0.07
DC Current
Isat (Amps)
2.9
2.6
2.3
2.0
1.5
1.2
1.1
0.90
0.70
0.58
0.50
0.50
0.31
0.27
0.22
0.18
0.16
0.14
0.10
NPI__W Series
Test Frequency
100KHz
Maximum +40°C temperature rise at Irms. Typcial -10% inductance change at Isat.
STANDARD VALUES - CASE SIZE 31 (10.0 x 12.7 x 5.0mm)
Part Number
NPI31W1R0MTRF
NPI31W1R5MTRF
NPI31W2R2MTRF
NPI31W3R3MTRF
NPI31W4R7MTRF
NPI31W6R8MTRF
NPI31W100MTRF
NPI31W150MTRF
NPI31W220MTRF
NPI31W330MTRF
NPI31W470MTRF
NPI31W680MTRF
NPI31W101MTRF
NPI31W151MTRF
NPI31W221MTRF
NPI31W331MTRF
NPI31W471MTRF
NPI31W681MTRF
NPI31W102MTRF
Inductance Value
(μH)
1.0 ± 20%
1.5 ± 20%
2.2 ± 20%
3.3 ± 20%
4.7 ± 20%
6.8 ± 20%
10 ± 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
150
100
85
60
45
35
25
20
18
14
11
10
7.0
6.5
5.0
4.0
3.0
2.5
2.0
DC Resistance
(Ω)
0.009
0.010
0.012
0.015
0.018
0.027
0.038
0.046
0.085
0.10
0.14
0.20
0.28
0.40
0.61
1.02
1.27
2.02
3.00
DC Current
Irms (Amps)
6.8
6.4
6.1
5.4
4.8
4.4
3.9
3.1
2.7
2.1
1.8
1.5
1.3
1.0
0.8
0.6
0.5
0.4
0.3
DC Current
Isat (Amps)
9.0
8.0
7.0
5.8
5.2
4.3
3.4
3.0
2.5
2.0
1.8
1.4
1.1
0.9
0.8
0.6
0.5
0.4
0.3
100KHz
Test Frequency
Maximum +40°C temperature rise at Irms. Typical -10% inductance change at Isat.
®
2
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
Specifications are subject to change
NPI Power Inductors
STANDARD VALUES - CASE SIZE 34 (10.0 x 12.7 x 11mm)
Part Number
NPI34W100MTRF
NPI34W150MTRF
NPI34W220MTRF
NPI34W330MTRF
NPI34W470MTRF
NPI34W680MTRF
NPI34W101MTRF
NPI34W151MTRF
NPI34W221MTRF
NPI34W331MTRF
NPI34W471MTRF
NPI34W681MTRF
NPI34W102MTRF
Inductance Value
(μH)
10 ± 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
23
14
8.5
7.0
6.5
4.5
4.0
3.0
2.5
2.3
2.0
1.5
1.3
DC Resistance
(Ω)
0.040
0.050
0.066
0.080
0.110
0.170
0.220
0.340
0.440
0.700
0.950
1.20
2.00
DC Current
Irms (Amps)
3.50
3.20
2.90
2.35
2.10
1.90
1.55
1.35
1.00
0.90
0.75
0.55
0.50
DC Current
Isat (Amps)
7.0
5.8
4.8
3.8
3.4
2.7
2.2
1.9
1.5
1.3
1.0
0.9
0.7
NPI__W Series
Test Frequency
100KHz
Maximum +40°C temperature rise at Irms. Typical -10% inductance change at Isat.
STANDARD VALUES - CASE SIZE 52 (15.0 x 18.4 x 7.0mm)
Part Number
NPI52W1R0MTRF
NPI52W1R5MTRF
NPI52W2R2MTRF
NPI52W3R3MTRF
NPI52W4R7MTRF
NPI52W5R6MTRF
NPI52W8R2MTRF
NPI52W100MTRF
NPI52W150MTRF
NPI52W220MTRF
NPI52W330MTRF
NPI52W470MTRF
NPI52W680MTRF
NPI52W101MTRF
NPI52W151MTRF
NPI52W221MTRF
NPI52W331MTRF
NPI52W471MTRF
NPI52W681MTRF
NPI52W102MTRF
NPI52W472MTRF
Inductance Value
(μH)
1.0 ± 20%
1.5 ± 20%
2.2 ± 20%
3.3 ± 20%
4.7 ± 20%
5.6 ± 20%
8.2 ± 20%
10 ± 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%
4700 ± 20%
SRF (Typical)
MHz
140
110
75
70
55
45
23
21
16
13
11
9.0
6.5
5.7
4.5
3.7
3.0
2.7
2.2
2.0
-
DC Resistance
(Ω)
0.009
0.012
0.014
0.018
0.019
0.020
0.025
0.031
0.036
0.047
0.066
0.086
0.13
0.19
0.25
0.38
0.56
0.85
1.10
1.80
7.50
DC Current
Irms (Amps)
8.6
7.5
7.1
6.2
5.8
5.3
4.7
4.3
4.0
3.5
3.0
2.6
2.3
1.8
1.5
1.2
1.0
0.82
0.72
0.56
0.25
DC Current
Isat (Amps)
20
18
16
14
13
12
11
10
8.0
7.0
5.5
4.5
3.5
3.0
2.6
2.4
1.9
1.4
1.2
1.0
0.35
100KHz
Test Frequency
Maximum +40°C temperature rise at Irms. Typcial -10% inductance change at Isat.
®
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
Specifications are subject to change
3
NPI Power Inductors
REFLOW SOLDERING PROFILE
300
250
Temperature °C
200
150
100
50
25
30
60
90 120 150 180 210 240 270 300
Time - Seconds
Pre-Heat
150°C ~ 180°C
60 ~ 120 sec.
Time above 230°C
30 seconds max.
Cool Down
Soldering 260°C max.
5 seconds max.
NPI__W Series
Case Size
NPI16W
NPI31W
NPI34W
NPI52W
Ao
4.60
10.00
10.00
15.40
TAPING DIMENSIONS (mm)
Bo
Co
Ko
W
6.70
13.50
13.50
18.70
4.25
11.50
11.50
14.25
3.20
5.60
11.6
7.60
12.0
24.0
24.0
32.0
Po
8.0
12.0
20.0
20.0
D
C
B
A
Tape Width
16mm
24mm
32mm
REEL DIMENSIONS (mm)
A(mm)
16.5±0.1
24.5±0.1
32.5±0.1
100±1
13±0.5
330
B(mm)
C(mm)
D(mm)
1.75mm
±0.1
4.0mm
Po
1.5mm ± 0.1
0.5mm ± 0.05
Co
Bo
W
Ao
Ko
Size
Quantity per reel
Tape Width
REEL QUANTITY PER CASE SIZE
NPI16W
2500
16mm
NPI22W
1000
24mm
NPI31W
500
24mm
NPI34W
225
32mm
NPI52W
250
32mm
®
4
NIC COMPONENTS CORP.
www.niccomp.com
www.lowESR.com
www.RFpassives.com
www.SMTmagnetics.com
Specifications are subject to change
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