SERIES
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
Molded Shielded RF Coils
Actual Size
Military Specifications
MS21426 (LT10K); MS21427 (LT10K)
Physical Parameters
Inches Millimeters
Length 0.250 ± 0.010 6.35 ± 0.25
Diameter 0.095 ± 0.010 2.41 ± 0.25
Lead Size
AWG #24 TCW 0.020 ± 0.0015 0.508 ± 0.038
Lead Length 1.5 ± 0.12 38.10 ± 3.05
Current Rating at 90°C Ambient 15°C Rise
Operating Temperature Range
Maximum Power Dissipation at 90°C 0.0585 W
Weight Max. (Grams) 0.25
Incremental Current Current level which causes a Max.
of 5% change in inductance.
Coupling 3% Max.
† Self Resonant Frequency (SRF) values are calculated
and to be used for reference only.
Marking DELEVAN; inductance with units and tolerance;
date code (YYWWL). Note: An R before the date code
indicates a RoHS component.
Example: 0925R-472K
Front: Reverse:
DELEVAN 4.7uH±10%
4.7uH±10% R 0902A
Packaging Tape & reel: 12" reel, 3500 pieces max.; 14"
reel, 6000 pieces max.
Made in the U.S.A.
0925
–
55°C to +105°C
0925R
670
635
610
585
545
530
495
485
460
440
430
405
385
247
228
217
202
193
185
173
136
124
118
111
106
122
115
108
96
88
83
75
69
64
61
59
51
88
75
69
64
61
53
46
43
40
RF Inductors
670
635
610
585
545
530
495
485
460
440
430
405
385
247
228
217
202
193
185
173
136
124
118
111
106
122
115
108
96
88
83
75
69
64
61
59
51
27
24
22
20
18
16
14
13
12
IN
D
U
C
T
D
A
S
H
N
U
MB
A
N
C
MIL
D
A
SH
E
R
#
*
-101K
-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
-333K
-393K
-473K
-563K
-683K
-823K
-104K
MS21427– SERIES 0925 FERRITE CORE & SLEEVE (LT10K)
-124K
-154K
-184K
-224K
-274K
-334K
-394K
-474K
-564K
T
EST
F
E (
MS21426– SERIES 0925 IRON CORE & SLEEVE (LT10K)
Q
MIN
µ
H
)
±1
0
%
0.10
1
0.12
2
0.15
3
0.18
4
0.22
5
0.27
6
0.33
7
0.39
8
0.47
9
0.56
10
0.68
11
0.82
12
1.00
13
1.20
14
1.50
15
1.80
16
2.20
17
2.70
18
3.30
19
3.90
20
4.70
21
5.60
22
6.80
23
8.20
24
10.0
25
12.0
26
15.0
27
18.0
28
22.0
29
27.0
30
33.0
31
39.0
32
47.0
33
56.0
34
68.0
35
82.0
36
100.0
37
120.0
1
150.0
2
180.0
3
220.0
4
270.0
5
330.0
6
390.0
7
470.0
8
560.0
9
R
EQ
IMU
SR
U
EN
C
Y (
M
54
52
50
49
47
46
44
42
41
41
39
38
37
40
41
43
45
48
49
50
53
54
55
55
57
36
38
40
40
40
41
42
44
44
45
45
40
31
33
33
35
37
40
38
36
36
MH
F
MIN
z
)
IMU
M (
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
MA
XIMU
MH
z
D
C
R
ESIST
M (
O
H
)
490.0†
430.0†
415.0†
375.0†
330.0†
300.0†
260.0†
230.0
220.0
210.0
180.0
165.0
150.0
130.0
115.0
105.0
95.0
90.0
80.0
75.0
70.0
60.0
55.0
53.0
50.0
35.0
30.0
26.0
24.0
21.0
20.0
19.0
16.0
15.0
13.0
11.0
10.5
13.0
12.0
11.0
10.0
9.0
8.0
7.8
7.5
7.0
MS)
MA
A
C
U
XIMU
N
C
R
R
EN
M (
E
0.10
0.11
0.12
0.13
0.15
0.16
0.18
0.19
0.21
0.23
0.24
0.27
0.30
0.73
0.86
0.95
1.10
1.20
1.30
1.50
2.40
2.90
3.20
3.60
4.00
3.00
3.40
3.80
4.90
5.80
6.50
7.90
9.30
11.0
12.0
13.0
16.8
5.80
7.90
9.40
11.0
12.0
16.0
21.0
24.0
28.0
CURRENT (mA)
INCREMENTAL
T RATING
mA)
Parts listed above are QPL/MIL qualified
Optional Tolerances: J = 5% H = 3%
*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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