Shielded, Molded RF Chokes
Special Features
• Magnetic shielded for low radiation
• High Q, high reliability
• Injection molded to protect coil
from extreme environment
• Flame retardant coating
• Consistent body dimension
• Color band identification
• Dielectric strength 1000VRMS
• Operating temperature -55 to +125°C
Part
Number
9250A-101
9250A-121
9250A-151
9250A-181
9250A-221
9250A-271
9250A-331
9250A-391
9250A-471
9250A-561
9250A-681
9250A-821
9250A-102
9250A-122
9250A-152
9250A-182
9250A-222
9250A-272
9250A-332
9250A-392
9250A-472
9250A-562
9250A-682
9250A-822
9250A-103
9250A-123
9250A-153
9250A-183
9250A-223
9250A-273
9250A-333
9250A-393
9250A-473
9250A-563
9250A-683
9250A-823
9250A-104
9250A-124
9250A-154
9250A-184
9250A-224
9250A-274
9250A-334
9250A-394
9250A-474
9250A-564
9250A-684
9250A-824
9250A-105
9250A Series
L (µH)
±10%
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
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
Q
Min.
50
51
51
50
49
47
46
44
44
43
42
40
40
44
44
44
44
44
44
44
44
44
50
50
50
55
45
45
45
45
45
50
50
50
50
50
50
55
55
55
55
55
55
60
60
60
60
60
60
Test
Freq.
(MHz)
25
25
25
25
25
25
25
25
25
25
25
25
25
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
0.79
0.79
0.79
SRF
(MHz)
Min.
250
250
250
250
250
250
250
250
235
210
190
180
140
130
115
105
100
92
85
75
70
65
55
50
46
44
49
45
41
38
34
29
27
25
21
10.5
10.0
9.7
8.5
8.0
7.5
7.0
6.5
6.2
5.7
4.7
4.5
4.2
3.8
DCR
Ω
Max.
0.025
0.034
0.037
0.047
0.067
0.11
0.13
0.18
0.25
0.33
0.45
0.59
0.07
0.10
0.12
0.14
0.19
0.28
0.35
0.40
0.55
0.72
1.02
1.32
1.62
2.0
0.80
0.89
0.96
1.19
1.37
1.93
2.11
2.23
2.70
2.44
3.12
3.6
4.1
4.4
5.0
5.8
6.4
7.4
9.5
10.5
11.8
13.0
17.5
I, DC*
(mA)
1790
1530
1470
1300
1100
855
780
670
565
490
420
370
1070
895
815
775
650
535
480
450
380
335
280
250
220
200
315
300
290
260
240
205
195
190
170
180
160
150
140
135
125
115
110
105
92
90
80
80
70
I, Incr.**
(mA)
1790
1530
1470
1300
1100
855
780
670
565
490
420
370
1070
895
815
775
650
535
480
450
380
335
280
250
220
200
250
235
220
200
190
180
175
160
150
140
120
95
90
85
80
70
65
60
58
55
50
45
40
Typical Applications
• Telecommunications
• Signal processing
• Computer peripherals
• Network routers
• Data switchers
• Consumer electronics
• Medical electronics
Notes
* Rated current to cause 35°C max. temperature rise
** Incremental current to cause 5% max.
inductance drop
Recommended replacement for the 9250 Series
1.0
Min.
0.41 -/+0.02
0.025
0.162
-/+0.01
Also available as RoHS compliant.
Continued next page.
Dimensions: Inches
306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone (310) 515-1720 • FAX (310) 515-1962
wwww.jwmiller.com
19.7
Shielded, Molded RF Chokes
Special Features
• Magnetic shielded for low radiation
• High Q, high reliability
• Injection molded to protect coil
from extreme environment
• Flame retardant coating
• Consistent body dimension
• Color band identification
• Dielectric strength 1000VRMS
• Operating temperature -55 to +125°C
Part
Number
9250A-125
9250A-155
9250A-185
9250A-225
9250A-275
9250A-335
9250A-395
9250A-475
9250A-565
9250A-685
9250A-825
9250A-106
9250A-126
9250A-156
9250A-186
9250A-226
9250A-276
9250A-336
9250A-396
9250A-476
9250A-566
9250A-686
9250A-826
9250A-107
9250A Series continued
L (µH)
±10%
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10,000
12,000
15,000
18,000
22,000
27,000
33,000
39,000
47,000
56,000
68,000
82,000
100,000
Q
Min.
45
45
45
45
45
45
45
45
44
40
40
40
30
30
30
27
27
27
27
23
23
23
21
18
Test
Freq.
(MHz)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
0.079
SRF
(MHz)
Min.
1.5
1.2
1.0
0.97
0.92
0.84
0.80
0.74
0.73
0.66
0.54
0.47
0.33
0.29
0.28
0.25
0.21
0.19
0.17
0.16
0.14
0.13
0.12
0.11
DCR
Ω
Max.
22.1
26.5
29.9
33.8
47.3
53.0
73.8
81.6
98.9
111
119
137
143
157
175
274
308
343
376
473
512
580
618
678
I, DC*
(mA)
60
55
50
50
40
40
35
31
28
27
26
24
23
22
21
17
16
15
15
13
13
12
11
11
I, Incr.**
(mA)
35
33
30
27
25
22
20
19
17
16
15
14
13
12
10
9
8
7.5
6
5.5
5
4
3.5
3
Typical Applications
• Telecommunications
• Signal processing
• Computer peripherals
• Network routers
• Data switchers
• Consumer electronics
• Medical electronics
Also available as RoHS compliant.
Notes
* Rated current to cause 35°C max. temperature rise
** Incremental current to cause 5% max.
inductance drop
Recommended replacement for the 9250 Series
1.0
Min.
0.41 -/+0.02
0.025
0.162
-/+0.01
Dimensions: Inches
306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone (310) 515-1720 • FAX (310) 515-1962
19.8
wwww.jwmiller.com
Power technology
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