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RA A
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RR IM
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MA IST MS
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RE (O
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XI
Hz
(M
MA
M
MU
)
NI
Hz
MI
(M
F
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SR
NC
M
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MU
EQ
NI
FR
MI
Q
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NC
RA
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(µ )
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#
IN (
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SERIES
103R
103
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In
DA
MI
L
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TA
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SH
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MI
A
PP
ROVE
D
NU
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MB
s
or
SH
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Micro i
®
Chip Inductors
R*
-100M/K
-120K
-150M/K
-180K
-220M/K
-270K
-330M/K
-390K
-470M/K
-560K
-680M/K
-820K
-101M/K
Actual Size
-121K
-151K
-181K
-221K
-271K
-331K
-391K
-471K
-561K
-681K
-821K
-102K
-122K
-152K
-182K
-222K
-272K
-332K
-392K
-472K
-562K
-682K
-822K
-103K
-123K
-153K
-183K
-223K
-273K
M83446/04– SERIES 103 PHENOLIC
50.0
30/37
0.010
± 20% / ± 10%
60
± 10% 57
50.0
38
0.012
± 20% / ± 10%
55
50.0
31/39
0.015
± 10% 52
50.0
40
0.018
50.0
32/41
0.022
± 20% / ± 10%
50
± 10% 49
50.0
42
0.027
50.0
33/43
0.033
± 20% / ± 10%
48
± 10% 45
50.0
44
0.039
50.0
34/45
0.047
± 20% / ± 10%
42
± 10% 39
50.0
46
0.056
50.0
35/47
0.068
± 20% / ± 10%
36
± 10% 34
50.0
48
0.082
± 20% / ± 10%
32
50.0
36/49
0.100
CORE
2700
2450
2200
2000
1800
1625
1450
1335
1220
1110
1000
915
830
0.060
0.069
0.078
0.093
0.108
0.114
0.120
0.133
0.145
0.170
0.195
0.212
0.230
1270
1190
1110
1030
950
925
900
860
820
760
705
675
650
Military Specifications
MIL-PRF-83446/04
Physical Parameters
Inches
A
0.075 Max.
B
0.100 ± 0.010
C
0.100 ± 0.010
D
0.050 Min.
E
0.015 Min. (Typ.)
F
0.020 Max. (Typ.)
Weight Max. (Grams)
0.03
Current Rating at 90°C Ambient
35°C Rise
Operating Temperature Range
–55°C to +125°C
Maximum Power Dissipation at 90°C
0.135 Watts
**Note
Self Resonant Frequency (SRF) Values above
250 MHz are calculated and for reference only.
Termination Finish Options
(Part # Code)
Gold over Nickel (Standard): As shown.
Tin/Lead over Nickel: Add suffix “S” to part # (e.g., 103-
102KS).
Mil type “A:” Gold over Nickel (Standard)
Mil type “B” or “F:” Tin/Lead (solder) over Nickel.
RoHS type: Order 103R - XXXKS
Mechanical Configuration
Units are epoxy encapsulated.
Contact areas for reflow soldering are gold plated per MIL-
G-45204 Type 1-Grade A. Internal connections are thermal
compression bonded.
Packaging
Tape & reel (8mm): 7" reel, 2000 pieces max.;
13" reel, 8000 pieces max.
Made In the U.S.A.
Millimeters
1.91 Max.
2.54 ± 0.25
2.54 ± 0.25
1.27 Min.
0.38 Min. (Typ.)
0.51 Max. (Typ.)
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
M83446/04– SERIES 103 FERRITE CORE
± 10% 30
25.0
750
0.12
± 10% 25
25.0
650
0.15
± 10% 25
25.0
550
0.18
± 10% 25
25.0
450
0.22
± 10% 25
25.0
375
0.27
± 10% 25
25.0
300
0.33
± 10% 22
25.0
235
0.39
± 10% 22
25.0
215
0.47
± 10% 22
25.0
195
0.56
± 10% 22
25.0
175
0.68
± 10% 22
25.0
160
0.82
± 10% 22
25.0
145
1.0
± 10% 22
7.9
130
1.2
± 10% 22
7.9
115
1.5
± 10% 22
7.9
105
1.8
± 10% 22
7.9
85
2.2
± 10% 24
7.9
77
2.7
± 10% 24
7.9
70
3.3
± 10% 24
7.9
68
3.9
± 10% 24
7.9
60
4.7
± 10% 22
5.6
7.9
55
± 10% 22
7.9
50
6.8
± 10% 22
7.9
48
8.2
± 10% 24
7.9
40
10.0
± 10% 25
2.5
35
12.0
± 10% 25
2.5
30
15.0
± 10% 25
2.5
28
18.0
± 10% 25
2.5
25
22.0
± 10% 25
2.5
22
27.0
0.125
0.175
0.200
0.220
0.230
0.235
0.240
0.260
0.278
0.520
0.530
0.540
0.740
0.840
0.920
1.00
1.15
1.40
1.55
1.80
2.00
2.20
2.50
3.45
3.80
5.60
5.80
6.40
6.90
880
745
695
665
650
645
635
610
590
435
430
425
360
340
325
310
290
260
250
230
220
210
195
165
160
135
130
125
120
Parts listed above are QPL/MIL qualified
Optional Tolerances: J = 5% H = 3% G = 2% F = 1%
*Complete part # must include series # PLUS the dash #
For surface finish information, refer to www.delevanfinishes.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
1/2009
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