Actual Size
MIL DASH #
SRF MINIMUM (MHz)
DASH NUMBER*
INDUCTANCE (µH)
Q MINIMUM
TEST FREQUENCY (MHz)
DC RESISTANCE
MAXIMUM (OHMS)
CURRENT RATING
MAXIMUM (mA)
TOLERANCE
SERIES 2020R
2020
Radial Toroidal Inductors
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.
RF Inductors
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
MS21422– SERIES 2020 IRON CORE (LT4K)
-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
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
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
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
450
400
350
320
300
280
260
240
220
200
180
160
150
130
120
110
100
90
70
60
50
45
40
37
35
55
60
60
60
65
65
65
65
65
70
70
70
70
60
60
60
60
60
60
60
60
60
60
60
60
±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%
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
Optional Tolerances: J = 5% H = 3%
*Complete part # must include series # PLUS the dash #
For surface finish information, refer to www.delevanfinishes.com
Parts listed above are QPL/MIL qualified
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
1/2009
API_newlayouts_single:APIcatalog_newlayouts 8/24/10 3:40 PM Page 56
Mouser Electronics
Authorized Distributor
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API Delevan:
MS21422-18 2020-00K 2020-32J 2020-02K 2020-00J 2020-00H 2020-00G 2020-00F 2020-02J 2020-02H
2020-02G 2020-02F 2020-04J 2020-04H 2020-04G 2020-04F 2020-06J 2020-06H 2020-06G 2020-06F 2020-
08J 2020-08H 2020-08G 2020-08F 2020-10J 2020-10H 2020-10G 2020-10F 2020-12J 2020-12H 2020-12G
2020-12F 2020-14J 2020-14H 2020-14G 2020-14F 2020-16J 2020-16H 2020-16G 2020-16F 2020-18J 2020-
18H 2020-18G 2020-18F 2020-20J 2020-20H 2020-20G 2020-20F 2020-22J 2020-22H 2020-22G 2020-22F
2020-24J 2020-24H 2020-24G 2020-24F 2020-26H 2020-26G 2020-26F 2020-28H 2020-28G 2020-28F 2020-
30H 2020-30G 2020-30F 2020-32H 2020-32G 2020-32F 2020-34H 2020-34G 2020-34F 2020-36H 2020-36G
2020-36F 2020-38H 2020-38G 2020-38F 2020-40H 2020-40G 2020-40F 2020-42H 2020-42G 2020-42F 2020-
44H 2020-44G 2020-44F 2020-46H 2020-46G 2020-46F 2020-48H 2020-48G 2020-48F 2020R-00K 2020R-00J
2020R-00H 2020R-00G 2020R-00F 2020R-02K 2020R-02J 2020R-02H
