0402 CHIP INDUCTORS
Military Grade Chip Inductors
MS235RAA
This 0402 size chip inductor series shares all of the charac-
teristics of Coilcraft’s other ceramic inductors: exceptionally
high Q factors, especially at use frequencies; outstanding
self-resonant frequency; tight inductance tolerance; and
excellent batch-to-batch consistency.
This robust version of Coilcraft’s standard 0402CS series
features high temperature materials that allow operation
in ambient temperatures up to 155°C and a leach-resis-
tant base metalization with tin-lead (Sn-Pb) terminations
that ensures the best possible board adhesion.
Current Derating
120
110
100
Percent of rated
I
rms
90
80
70
60
50
25°C
40
30
20
Typical L vs Frequency
60
56 nH
50
10
0
-40
-20
0
20
40
60
80
100
120
140 160
Ambient temperature (°C)
Inductance (nH)
40
30
B
overall
27 nH
C
D
I
H
F
20
19 nH
12 nH
10
5.6 nH
1 nH
1
10
100
1000
10000
A
G
F
J
I
0
E
terminal
Terminal wraparound:
approx 0.007/0,18 both ends
Suggested
Land Pattern
Frequency (MHz)
Typical Q vs Frequency
120
110
100
90
80
12 nH
5.6 nH
19 nH
27 nH
A
max
0.047
1,19
B
max
0.025
0,64
C
max
0,66
D
ref
0,25
E
0,51
F
0,23
G
0,56
H
0,66
I
J
0,46
0.026 0.010 0.020 0.009 0.022 0.026 0.014 0.018
0,36
Core material
Ceramic
Terminations
Tin-lead (63/37) over silver-palladium-platinum-glass
frit
Ambient temperature
–55°C to +125°C with
Imax
current, +125°C
to +155°C with derated current
Storage temperature
Component: –55°C to +155°C.
Packaging: –55°C to +80°C
Resistance to soldering heat
Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Temperature Coefficient of Inductance (TCL)
+25 to +155 ppm/°C
Moisture Sensitivity Level (MSL)
1 (unlimited floor life at <30°C /
85% relative humidity)
Q Factor
70
60
50
40
30
20
10
0
1
10
100
1000
56 nH
1 nH
10000
Frequency (MHz)
®
Enhanced crush-resistant packaging
2000 per 7″ reel
Paper tape: 8 mm wide, 0.68 mm thick, 2 mm pocket spacing
These parts are preproduction products for electrical evaluation only.
Specification subject to change without notice.
Document MS198-1 Revised 07/09/09
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2009
Phone
800-981-0363
Fax
847-639-1508
E-mail
cp@coilcraft.com
Web
www.coilcraft-cps.com
0402 CHIP INDUCTORS
MS235RAA Series (0402)
Part number
1
MS235RAA1N0_SZ
MS235RAA1N2_SZ
MS235RAA1N8_SZ
MS235RAA1N9_SZ
MS235RAA2N0_SZ
MS235RAA2N2_SZ
MS235RAA2N4_SZ
MS235RAA2N7_SZ
MS235RAA3N3_SZ
MS235RAA3N6_SZ
MS235RAA3N9_SZ
MS235RAA4N3_SZ
MS235RAA4N7_SZ
MS235RAA5N1_SZ
MS235RAA5N6_SZ
MS235RAA6N2_SZ
MS235RAA6N8_SZ
MS235RAA7N5_SZ
MS235RAA8N2_SZ
MS235RAA8N7_SZ
MS235RAA9N0_SZ
MS235RAA9N5_SZ
MS235RAA10N_SZ
MS235RAA11N_SZ
MS235RAA12N_SZ
MS235RAA13N_SZ
MS235RAA15N_SZ
MS235RAA16N_SZ
MS235RAA18N_SZ
MS235RAA19N_SZ
MS235RAA20N_SZ
MS235RAA22N_SZ
MS235RAA23N_SZ
MS235RAA24N_SZ
MS235RAA27N_SZ
MS235RAA30N_SZ
MS235RAA33N_SZ
MS235RAA36N_SZ
MS235RAA39N_SZ
MS235RAA40N_SZ
MS235RAA43N_SZ
MS235RAA47N_SZ
MS235RAA51N_SZ
MS235RAA56N_SZ
MS235RAA68N_SZ
MS235RAA82N_SZ
MS235RAAR10_SZ
MS235RAAR12_SZ
Inductance
2
(nH)
1.0
1.2
1.8
1.9
2.0
2.2
2.4
2.7
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
8.7
9.0
9.5
10.0
11.0
12.0
13.0
15.0
16.0
18.0
19.0
20.0
22.0
23.0
24.0
27.0
30.0
33.0
36.0
39.0
40.0
43.0
47.0
51.0
56.0
68.0
82.0
100
120
Percent
tolerance
5
5
5
5
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
5,2
900 MHz
L typ
Q typ
3
1.02
1.17
1.78
1.72
1.93
2.19
2.24
2.58
3.10
3.56
3.89
4.19
4.55
5.15
5.16
6.16
6.56
7.91
8.50
8.78
9.07
9.42
9.8
10.7
11.9
13.4
14.6
16.6
18.3
19.1
20.7
23.2
23.8
25.1
28.7
31.1
34.9
39.5
41.7
39.0
45.8
50.0
56.6
62.8
78.2
–
–
–
77
28
54
68
54
59
51
42
65
45
50
47
48
56
54
52
63
60
57
54
62
54
50
52
53
51
55
46
57
50
52
53
49
51
49
46
31
44
47
44
46
38
40
42
36
–
–
–
1.7 GHz
L typ
Q typ
3
1.02
1.17
1.78
1.74
1.93
2.23
2.27
2.60
3.12
3.62
4.00
4.30
4.68
5.25
5.28
6.37
6.93
8.22
8.85
9.21
9.53
9.98
10.10
11.20
12.70
14.63
15.50
18.86
20.28
21.10
23.66
26.75
26.90
29.50
33.50
38.50
41.74
48.40
50.23
47.40
61.55
–
–
–
–
–
–
–
69
38
75
82
75
100
68
61
87
71
75
71
68
82
81
76
78
88
84
73
78
69
67
78
71
57
77
47
62
67
53
53
64
50
63
39
32
53
45
33
34
–
–
–
–
–
–
–
SRF min
4
(GHz)
12.70
12.90
12.00
11.30
11.10
10.80
10.50
10.40
7.00
6.80
6.00
6.00
4.77
4.80
4.80
4.80
4.80
4.80
4.40
4.10
4.16
4.00
3.90
3.68
3.60
3.45
3.28
3.10
3.10
3.04
3.00
2.80
2.72
2.70
2.48
2.35
2.35
2.32
2.10
2.24
2.03
2.10
1.75
1.76
1.62
1.26
1.16
1.30
DCR max
5
(Ohms)
0.045
0.090
0.070
0.070
0.070
0.070
0.068
0.120
0.066
0.066
0.066
0.091
0.130
0.083
0.083
0.083
0.083
0.10
0.10
0.20
0.10
0.20
0.20
0.12
0.12
0.21
0.17
0.22
0.23
0.20
0.25
0.30
0.30
0.30
0.30
0.30
0.30
0.44
0.55
0.44
0.81
0.83
0.82
0.97
1.12
1.55
2.00
2.20
Imax
(mA)
1360
740
1040
1040
1040
960
790
640
840
840
840
700
640
800
760
760
680
680
680
480
680
480
480
640
640
440
560
560
420
480
420
400
400
400
400
400
400
320
200
320
100
150
100
100
100
50
30
50
1. When ordering, please specify
tolerance
and
testing
codes:
MS235RAAR10GSZ
Tolerance: G
= 2%
J
= 5%
Testing: Z
= Coilcraft Critical Products Environmental Stress
Conditions Testing.
H
= Coilcraft Qual + Coilcraft Hi-Rel Burn-in
P
= Coilcraft Qual + MIL-STD-981 Class S Group A
screening
N
= Coilcraft Qual + MIL-STD-981 Class B Group A
screening
C
= Coilcraft Qual + MIL-STD-981 Class S Group A
screening + MIL-STD-981 Class S Group B qualification
W
= Coilcraft Qual + MIL-STD-981 Class B Group A
screening + MIL-STD-981 Class S Group B qualification
2. Inductance measured at 250 MHz using a Coilcraft SMD-F test fixture
and Coilcraft-provided correlation pieces with an Agilent/HP 4286
impedance analyzer.
3. Q measured using an Agilent/HP 4291A with an Agilent/HP 16193 test
fixture.
4. For SRF >6 GHz, measured using an Agilent/HP 8722ES network
analyzer and a Coilcraft SMD-D test fixture. For SRF
≤6
GHz,
measured using an Agilent/HP 8753D network analyzer and a Coilcraft
SMD-D test fixture.
5. DCR measured on a micro-ohmmeter.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
®
These parts are preproduction products for electrical evaluation only.
Specification subject to change without notice.
Document MS198-2 Revised 07/09/09
1102 Silver Lake Road
Cary IL 60013
© Coilcraft, Inc. 2009
Phone
800-981-0363
Fax
847-639-1508
E-mail
cp@coilcraft.com
Web
www.coilcraft-cps.com
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