R
F
L
TA
EN A)
EM (m
CR NT
IN RE
G
R
IN
CU RAT A)
T (m
EN UM
E
RR IM
NC
CU X
MA TA S)
S
SI HM
RE M (O
DC
)
MU
Hz
XI
(M
MA
M
MU
NI
)
MI
Hz
F
(M
SR
Y
NC
UE
M
EQ
MU
NI
FR
MI
ST
Q
TE
0%
±1
H)
(µ
#
CE
AN
SH
CT
DA
L
DU
MI
*
IN
ER
MB
SERIES
Actual Size
1641R
1641
ct
du
In
DA
MI
L
I
TA
R
Y
SH
A
PP
ROVE
D
NU
s
or
Molded Shielded RF Coils
Military Specifications
MS75087 (LT10K); MS75088 (LT10K);
MS75089 (15µH to 1000µH only) (LT10K)
Physical Parameters
Inches
Length
0.410 ± 0.020
Diameter
0.162 ± 0.010
Lead Size
AWG #22 TCW
0.025 ± 0.002
Lead Length
1.44 ± 0.12
MS75087– SERIES 1641 PHENOLIC CORE/IRON SLEEVE (LT10K)
1
0.10
50
25.0
250.0
0.025 1830
1830
-101K
2
0.12
51
25.0
250.0
0.034 1570
1570
-121K
3
0.15
51
25.0
250.0
0.037 1500
1500
-151K
4
0.18
50
25.0
250.0
0.047 1330
1330
-181K
5
0.22
49
25.0
250.0
0.067 1120
1120
-221K
6
0.27
47
25.0
250.0
0.11
870
870
-271K
7
0.33
46
25.0
250.0
0.13
800
800
-331K
8
0.39
44
25.0
250.0
0.18
680
680
-391K
9
0.47
44
25.0
235.0
0.25
580
580
-471K
10
0.56
43
25.0
210.0
0.33
505
505
-561K
11
0.68
42
25.0
190.0
0.45
430
430
-681K
12
0.82
40
25.0
180.0
0.59
375
375
-821K
MS75088– SERIES 1641 IRON CORE & SLEEVE (LT10K)
1
1.0
44
25.0
140.0
0.07
1090
1090
-102K
2
1.2
44
7.9
130.0
0.10
900
900
-122K
3
1.5
44
7.9
115.0
0.12
835
835
-152K
4
1.8
44
7.9
105.0
0.14
775
775
-182K
5
2.2
44
7.9
100.0
0.19
665
665
-222K
6
2.7
44
7.9
92.0
0.28
545
545
-272K
7
3.3
44
7.9
85.0
0.35
490
490
-332K
8
3.9
44
7.9
75.0
0.40
455
455
-392K
4.7
9
44
7.9
70.0
0.55
390
390
-472K
5.6
10
44
7.9
65.0
0.72
340
340
-562K
6.8
11
50
7.9
55.0
1.02
285
285
-682K
8.2
12
50
7.9
50.0
1.32
250
250
-822K
13
10.0
50
7.9
46.0
1.62
228
228
-103K
14
12.0
55
2.5
44.0
2.00
205
205
-123K
MS75089– SERIES 1641 FERRITE CORE
15.0
1
45
2.5
49.0
-153K
18.0
2
45
2.5
45.0
-183K
22.0
3
45
2.5
41.0
-223K
27.0
4
45
2.5
38.0
-273K
33.0
5
45
2.5
34.0
-333K
6
39.0
50
2.5
29.0
-393K
7
47.0
50
2.5
27.0
-473K
56.0
8
50
2.5
25.0
-563K
9
68.0
50
2.5
21.0
-683K
82.0
10
50
2.5
10.5
-823K
100.0
11
50
2.5
10.0
-104K
120.0
12
55
0.79
9.7
-124K
150.0
13
55
0.79
8.5
-154K
14
180.0
55
0.79
8.0
-184K
220.0
15
55
0.79
7.5
-224K
16
270.0
55
0.79
7.0
-274K
330.0
17
55
0.79
6.5
-334K
18
390.0
60
0.79
6.2
-394K
470.0
19
60
0.79
5.7
-474K
560.0
20
60
0.79
4.7
-564K
21
680.0
60
0.79
4.5
-684K
820.0
22
60
0.79
4.2
-824K
23 1000.0
60
0.79
3.8
-105K
& SLEEVE (LT10K)
0.80
325
250
0.89
305
235
0.96
295
220
1.19
265
200
1.37
248
190
1.93
209
180
2.11
200
175
2.23
194
160
2.70
176
150
2.44
186
140
3.12
164
120
3.60
153
95
4.10
143
90
4.40
138
85
5.00
130
80
5.80
120
70
6.40
115
65
7.40
107
60
9.50
94
58
10.5
90
55
11.8
84
50
13.0
80
45
17.5
70
40
Millimeters
10.41 ± 0.51
4.11 ± 0.25
0.635 ± 0.05
36.58 ± 3.05
Current Rating at 90°C Ambient
15°C Rise
Operating Temperature Range
–55°C to +105°C
Maximum Power Dissipation at 90°C
0.11 W
Weight Max.
(Grams) 1.0
Incremental Current
Current level which causes a Max.
of 5% change in inductance.
Coupling
3% Max.
Marking
DELEVAN; inductance with units and tolerance;
date code (YYWWL). Note: An R before the date code
indicates a RoHS component.
Example: 1641-103H
Front:
DELEVAN
10uH±3%
Reverse:
10uH±3%
0907A
See 4307 Series for values above 1000µH.
Parts listed above are QPL/MIL qualified
Optional Tolerances: J = 5% H = 3%
Packaging
Tape & reel: 12" reel, 2500 pieces max.; 14"
reel, 4000 pieces max.
Made in the U.S.A.
*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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