2020R
2020
Series
RadialToroidal Inductors
MS21422– SERIES 2020 IRON CORE (LT4K)
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
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
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
-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
01ꢀ
02ꢀ
03ꢀ
04ꢀ
05ꢀ
06ꢀ
07ꢀ
08ꢀ
09ꢀ
10ꢀ
11ꢀ
12ꢀ
13ꢀ
14ꢀ
15ꢀ
16ꢀ
17ꢀ
18ꢀ
19ꢀ
20ꢀ
21ꢀ
22ꢀ
23ꢀ
24ꢀ
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
10ꢁ 55
10ꢁ 60
10ꢁ 60
10ꢁ 60
10ꢁ 65
10ꢁ 65
10ꢁ 65
10ꢁ 65
10ꢁ 65
10ꢁ 70
10ꢁ 70
10ꢁ 70
450
400
350
320
300
280
260
240
220
200
180
160
150
130
120
110
100
90
2200
2000
1800
1600
1500
1400
1300
1200
1100
1000
900
800
750
700
630
530
470
420
390
0.04ꢀ
0.05ꢀ
0.06ꢀ
0.07ꢀ
0.08ꢀ
0.10ꢀ
0.11ꢀ
0.14ꢀ
0.17ꢀ
0.22ꢀ
0.27ꢀ
0.30ꢀ
0.35ꢀ
0.40ꢀ
0.50
0.70ꢀ
0.90
1.1
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
5ꢁ
70
60
60
60
60
60
60
60
60
60
60
60
60
70
60
50
45
40
37
35
1.3
1.5
1.8
2.0
2.2
2.4
2.6
360
330
310
300
290
280
5.6
6.8
8.2
7.9
7.9
7.9
Military Specifications MS-21422ꢀ(LT4K)
25ꢀ 10.0
Physical Parameters
ꢀꢀ
Inchesꢀ
Millimeters
5.08ꢀtoꢀ5.84
4.83ꢀtoꢀ5.33
2.29ꢀtoꢀ2.79
2.29ꢀtoꢀ2.79
25.40ꢀMin.
0.47ꢀtoꢀ0.55
Aꢀ
Bꢀ
Cꢀ
Dꢀ
Eꢀ
Fꢀ
0.200ꢀtoꢀ0.230ꢀ
0.190ꢀtoꢀ0.210ꢀ
0.090ꢀtoꢀ0.110ꢀ
0.090ꢀtoꢀ0.110ꢀ
1.00ꢀMin.ꢀ
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 #
0.0185ꢀtoꢀ0.0215ꢀ
For further surface finish information,
refer to TECHNICAL section of this catalog.
Current Rating at 90°C Ambient 35°CꢀRise
OperatingTemperature Range 55°Cꢀtoꢀ+125°C
–
Maximum Power Dissipation at 90°C 0.2ꢀWatts
Weight Max.ꢀ(Grams)ꢀꢀ0.5
Core Material Iron
Lead Size AWGꢀ#24ꢀTCW
Note Inductanceꢀmeasuredꢀ.25”ꢀfromꢀbody
Packaging Bulkꢀonly
Made In the U.S.A.
PAGE
60
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www.delevan.com E-mail: apisales@delevan com
6/2007
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
API [ API Delevan ]