Shielded, Molded RF Chokes
9250A Series
Test SRF
Freq. (MHz)
Special Features
• Magnetic shielded for low radiation
• High Q, high reliability
DCR
Ω
Part
Number
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
Q
I, DC* I, Incr.**
Min. (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
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
(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
(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
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
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
25
25
25
25
25
25
25
25
25
25
25
25
• 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
25
Typical Applications
• Telecommunications
• Signal processing
• Computer peripherals
• Network routers
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
• Data switchers
• Consumer electronics
• Medical electronics
49
45
41
38
34
29
27
25
Notes
* Rated current to cause 35°C max. temperature rise
** Incremental current to cause 5% max.
inductance drop
Recommended replacement for the 9250 Series
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
100
120
150
180
220
270
330
390
470
560
680
820
1000
4.1
4.4
5.0
5.8
6.4
7.4
9.5
10.5
11.8
13.0
17.5
90
85
80
70
65
60
58
0.41 -/+0.02
1.0
Min.
90
55
80
50
80
45
0.025
70
40
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