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Ohmite Mfg. Co. 1600 Golf Rd., Suite 850, Rolling Meadows, IL 60008 • Tel. 1-866-9-OHMITE • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
K, R, S, V & X Series
R. F. Molded Chokes
LD
1.438"
±0.188
36.525mm
±4.77
(Color coded in accordance with MIL-C-15305.)
Max.
Max.
Dielectric
Grade/
oper.
temp.
Ambient
withstanding voltage
Terminal
Series Construction
Inductance
Style
Class
temp.
rise
temp.
(sea level) (reduced pressure)
pull
Altitude
K
Phenolic
0.15–4.7 µH LT4
1/B
125°C
35°C 90°C
1000VRMS 200VRMS
5 lbs. 70,000 ft.
Powd. iron 0.56–1000 µH LT10
1/A
105°C
15°C
"
"
"
"
"
R
Phenolic
0.15–2.7 µH LT4
1/B
125°C
35°C 90°C
1000VRMS 200VRMS
5 lbs. 70,000 ft.
Powd. iron
3.3–27 µH LT10
1/A
105°C
15°C
"
"
"
"
"
S, V
270–
LT10
1/A
105°C
15°C 90°C
700VRMS
180VRMS
5 lbs. 70,000 ft.
& X
10,000 µH
STOCK PART NUMBERS
* For example, the MS designation for
KM150M is 18130-1
** Letter suffix on part number denotes toler-
ance: J=5%, K=10%, M=20%
18130–
KM150M
–
1
0.15
50
25
525
0.03
2450
KM220M
–
2
0.22
50
25
450
0.055
1900
KM330M
–
3
0.33
45
25
360
0.09
1400
KM470M
–
4
0.47
45
25
310
0.12
1225
KM560K
–
5
0.56
50
25
280
0.135
1220
KM680K
–
6
0.68
50
25
250
0.15
1100
KM820K
–
7
0.82
50
25
220
0.22
900
KM101K
–
8
1.00
50
25
200
0.29
830
KM121K
–
9
1.20
33
7.9
180
0.42
650
KM151K
–
10
1.50
33
7.9
160
0.50
600
KM181K
–
11
1.80
33
7.9
150
0.65
525
KM221K
–
12
2.20
33
7.9
135
0.95
435
KM271K
–
13
2.70
33
7.9
120
1.20
385
KM331K
–
14
3.30
33
7.9
110
2.00
300
KM391K
–
15
3.90
33
7.9
100
2.30
280
KM471K
–
16
4.70
33
7.9
90
2.60
260
14046–
KM561K
–
1
5.60
45
7.9
60
0.32
495
KM681K
–
2
6.80
50
7.9
55
0.50
395
KM821K
–
3
8.20
50
7.9
50
0.60
360
KM102K
–
4
10.00
55
7.9
45
0.90
290
KM122K
–
5
12.00
65
2.5
42
1.10
265
KM152K
–
6
15.00
65
2.5
40
1.40
240
KM182K
–
7
18.00
75
2.5
34
2.25
185
KM222K
–
8
22.00
75
2.5
30
2.50
175
KM272K
–
9
27.00
60
2.5
25
2.60
170
KM332K
–
10
33.00
65
2.5
19
3.00
165
90538–
KM362J
–
1
36.00
60
2.5
15.5
2.50
180
KM392J
–
2
39.00
60
2.5
14.5
2.60
176
KM432J
–
3
43.00
60
2.5
13.7
2.70
172
KM472J
–
4
47.00
55
2.5
13.0
2.75
170
KM512J
–
5
51.00
55
2.5
12.7
2.85
167
KM562J
–
6
56.00
55
2.5
12.0
3.00
164
KM622J
–
7
62.0
55
2.5
11.5
3.15
160
KM682J
–
8
68.0
55
2.5
11.0
3.30
156
KM752J
–
9
75.0
55
2.5
10.5
3.70
147
KM822J
–
10
82.0
50
2.5
10.3
3.90
143
KM912J
–
11
91.0
50
2.5
10.0
4.3
136
90538–
KM103J
–
12
100.0
50
2.5
9.5
4.50
133
KM113J
–
13
110.0
60
0.79
8.9
4.90
128
KM123J
–
14
120.0
65
0.79
8.7
5.20
124
KM133J
–
15
130.0
65
0.79
8.5
5.45
121
KM153J
–
16
150.0
65
0.79
8.0
6.05
114
KM163J
–
17
160.0
65
0.79
7.5
6.40
111
KM183J
–
18
180.0
65
0.79
7.0
6.75
108
KM203J
–
19
200.0
65
0.79
6.5
7.10
106
KM223J
–
20
220.0
65
0.79
6.2
7.45
103
KM243J
–
21
240.0
65
0.79
5.9
7.80
101
KM273J
270.0
65
0.79
5.7
11.0
85
KM303J
300.0
65
0.79
5.4
11.5
83
KM333J
330.0
65
0.79
5.1
12.0
81
KM363J
360.0
65
0.79
4.8
12.5
80
KM393J
390.0
65
0.79
4.5
16.3
70
KM433J
430.0
65
0.79
4.2
17.1
68
KM473J
470.0
65
0.79
3.9
17.9
67
KM513J
510.0
65
0.79
3.8
18.8
65
KM563J
560.0
65
0.79
3.7
19.5
64
KM623J
620.0
65
0.79
3.3
25.9
55
KM683J
680.0
65
0.79
3.1
27.2
54
KM753J
750.0
65
0.79
2.9
28.6
53
KM823J
820.0
65
0.79
2.7
30.0
52
KM913J
910.0
65
0.79
2.5
31.5
50
KM104J
1000.0
65
0.79
2.3
33.0
49
MS75008–
RM150M
–
21
0.15
55
25.0
510
0.030
3000
RM220M
–
22
0.22
50
25.0
415
0.035
2800
RM330M
–
23
0.33
50
25.0
350
0.065
2000
RM470M
–
24
0.47
50
25.0
300
0.085
1700
RM560K
–
25
0.56
50
25.0
270
0.125
1450
RM680K
–
26
0.68
45
25.0
250
0.150
1300
RM820K
–
27
0.82
40
25.0
210
0.205
1100
RM101K
–
28
1.00
40
25.0
200
0.290
930
RM121K
–
29
1.20
30
7.9
180
0.400
785
RM151K
–
30
1.50
30
7.9
170
0.485
700
RM181K
–
31
1.80
30
7.9
150
0.740
580
RM221K
–
32
2.20
30
7.9
140
0.970
505
RM271K
–
33
2.70
30
7.9
120
1.20
460
MS75101–
RM331K
–
1
3.30
30
7.9
70
0.140
990
RM391K
–
2
3.90
30
7.9
65
0.155
870
RM471K
–
3
4.70
30
7.9
60
0.210
745
RM561K
–
4
5.60
30
7.9
50
0.280
645
RM681K
–
5
6.80
30
7.9
50
0.375
560
RM821K
–
6
8.20
30
7.9
48
0.440
540
RM102K
–
7
10.00
30
7.9
42
0.605
440
MS75101–
RM122K
–
8
12.00 50
2.5
36
1.05
370
RM152K
–
9
15.00 55
2.5
30
1.20
310
RM182K
–
10
18.00 60
2.5
30
1.95
255
RM222K
–
11
22.00 60
2.5
24
2.20
240
RM272K
–
12
27.00 65
2.5
22
2.75
205
MS90539–
SM273J
–
1
270
65
0.79
5.6
8.2
110
SM303J
–
2
300
65
0.79
5.3
8.7
107
SM333J
–
3
330
65
0.79
5.0
9.1
105
SM363J
–
4
360
65
0.79
4.7
9.6
102
SM393J
–
5
390
65
0.79
4.5
10.0
100
SM433J
–
6
430
65
0.79
4.3
10.6
97
SM473J
–
7
470
65
0.79
4.0
11.1
95
SM513J
–
8
510
65
0.79
3.8
11.6
93
SM563J
–
9
560
65
0.79
3.6
12.3
91
SM623J
–
10
620
60
0.79
3.5
13.0
88
SM683J
–
11
680
60
0.79
3.4
13.7
85
SM753J
–
12
750
60
0.79
3.3
14.4
83
SM823J
–
13
820
60
0.79
3.1
15.1
81
SM913J
–
14
910
60
0.79
2.9
15.8
79
SM104J
–
15
1000
60
0.79
2.8
16.5
78
MS90540–
VM114J
–
1
1100
60
0.25
2.8
21.0
78
VM124J
–
2
1200
60
0.25
2.7
22.0
76
VM134J
–
3
1300
60
0.25
2.6
23.0
75
VM154J
–
4
1500
65
0.25
2.4
25.0
72
VM164J
–
5
1600
65
0.25
2.3
26.0
70
VM184J
–
6
1800
65
0.25
2.2
28.0
68
VM204J
–
7
2000
65
0.25
2.1
29.0
67
VM224J
–
8
2200
70
0.25
2.0
30.0
66
VM244J
–
9
2400
70
0.25
1.9
31.0
64
VM274J
–
10
2700
70
0.25
1.8
33.0
62
VM304J
–
11
3000
70
0.25
1.7
35.0
61
VM334J
–
12
3300
70
0.25
1.6
38.0
58
VM364J
–
13
3600
70
0.25
1.5
40.0
57
MS90541–
XM394J
–
1
3900
80
0.25
1.45
44.0
61
XM434J
–
2
4300
80
0.25
1.40
46.0
59
XM474J
–
3
4700
80
0.25
1.35
48.0
58
XM504J
–
4
5000
80
0.25
1.30
50.0
57
XM564J
–
5
5600
80
0.25
1.25
53.0
56
XM624J
–
6
6200
80
0.25
1.20
56.0
54
XM684J
–
7
6800
80
0.25
1.15
59.0
52
XM754J
–
8
7500
80
0.25
1.10
62.0
51
XM824J
–
9
8200
80
0.25
1.05
65.0
50
XM914J
–
10
9100
80
0.25
1.00
68.0
49
XM105J
–
11
10000
80
0.25
0.95
72.0
47
Dimensions (in. / mm)
Series
Length
Diameter
AWG
K
0.375 ± 0.010 0.156 ± 0.010
22
9.525 ± 0.25
3.962 ± 0.25
R
0.438 ± 0.010 0.188 ±0.010
22
11.125 ± 0.25 4.775 ± 0.25
S
0.440 ± 0.010 0.190 ± 0.010
22
4.917 ± 0.25
4.826 ± 0.25
V
0.560 ± 0.010 0.215 ± 0.010
22
14.224 ± 0.25 5.461 ± 0.25
X
0.740 ± 0.010 0.240 ± 0.010
20
18.796 ± 0.25 6.096 ± 0.25
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