SERIES
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
Radial Toroidal Inductors
2020
2020R
Actual Size
T
EST
IN
E
R
MIL
D
*
-00K
-02K
-04K
-06K
-08K
-10K
-12K
-14K
-16K
-18K
-20K
-22K
-24J
-26J
-28J
-30J
-32J
-34J
-36J
-38J
-40J
-42J
-44J
-46J
-48J
D
U
C
A
SH
#
TO
T
A
N
C
E (
µ
H
)
MS21422– SERIES 2020 IRON CORE (LT4K)
1
0.10
2
0.12
3
0.15
4
0.18
5
0.22
6
0.27
7
0.33
8
0.39
9
0.47
10
0.56
11
0.68
12
0.82
13
1.0
14
1.2
15
1.5
16
1.8
17
2.2
18
2.7
19
3.3
20
3.9
21
4.7
22
5.6
23
6.8
24
8.2
25
10.0
D
A
S
H
N
U
MB
F
Q
L
MIN
ER
A
N
C
E
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
R
EQ
IMU
U
M
EN
SR
C
Y (
MH
55
25.0
60
25.0
60
25.0
60
25.0
65
25.0
65
25.0
65
25.0
65
25.0
65
25.0
70
25.0
70
25.0
70
25.0
70
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
7.9
60
F
MIN
z)
IMU
25.0
M (
MA
MH
XIMU
z
)
D
C
R
M (
450
400
350
320
300
280
260
240
220
200
180
160
150
130
120
110
100
CURRENT RATING
MAXIMUM (mA)
ES
ISTANCE
O
HMS)
90
70
60
50
45
40
37
35
0.04
0.05
0.06
0.07
0.08
0.10
0.11
0.14
0.17
0.22
0.27
0.30
0.35
0.40
0.50
0.70
0.90
1.1
1.3
1.5
1.8
2.0
2.2
2.4
2.6
RF Inductors
2200
2000
1800
1600
1500
1400
1300
1200
1100
1000
900
800
750
700
630
530
470
420
390
360
330
310
300
290
280
Military Specifications MS21422 (LT4K)
Physical Parameters
Inches Millimeters
A 0.200 to 0.230 5.08 to 5.84
B 0.190 to 0.210 4.83 to 5.33
C 0.090 to 0.110 2.29 to 2.79
D 0.090 to 0.110 2.29 to 2.79
E 1.00 Min. 25.40 Min.
F 0.0185 to 0.0215 0.47 to 0.55
Current Rating at 90°C Ambient 35°C Rise
Operating Temperature Range –55°C to +125°C
Maximum Power Dissipation at 90°C 0.2 W
Weight Max. (Grams) 0.5
Core Material Iron
Lead Size AWG #24 TCW
Note Inductance measured .25” from body
Packaging Bulk only
Made In the U.S.A.
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
QPL Marking MS214;22- followed by the military dash number; Delevan
cage code (99800); date code (YYWWL).
Non QPL Marking DELEVAN; 2020; dash number; date code (YYWWL).
Note: An R after 2020 indicates a RoHS component.
QPL Example: 2020-00K (MS21422-01)
MS214
22-01
99800
0213A
RoHS/Tight Tolerance Example: 2020R-00J
DELEVAN
2020R
-02J
0827A
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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