Features
Applications
■ Signal processing
■ Telecommunications
■ Dense board designs
■ Formerly
model
■ Current rating up to 3 A
■ Inductance range: 0.1 µH to 100,000 µH
■ Shielded
■ RoHS compliant*
8250 Series - Shielded RF Choke
Electrical Specifications (@ 25 °C)
General Specifications
Temperature Rise................35 °C at Idc
Rated Current........Inductance drop 5 %
typical at Isat
Test
Freq.
(MHz)
SRF
(MHz)
Min.
DCR
(Ω)
Part
Inductance
(µH) ±±1 ꢀ
Idc
Isat
Number
Q Min.
50
50
50
50
50
50
47
47
47
45
43
41
42
43
41
42
42
41
41
41
42
42
42
46
46
50
50
50
50
50
50
50
55
55
55
55
65
65
65
65
65
65
65
65
70
70
75
max.
(mA)
(mA)
Operating Temperature
8250-R10K-RC
8250-R12K-RC
8250-R15K-RC
8250-R18K-RC
8250-R22K-RC
8250-R27K-RC
8250-R33K-RC
8250-R39K-RC
8250-R47K-RC
8250-R56K-RC
8250-R68K-RC
8250-R82K-RC
8250-1R0K-RC
8250-1R2K-RC
8250-1R5K-RC
8250-1R8K-RC
8250-2R2K-RC
8250-2R7K-RC
8250-3R3K-RC
8250-3R9K-RC
8250-4R7K-RC
8250-5R6K-RC
8250-6R8K-RC
8250-8R2K-RC
8250-100K-RC
8250-120K-RC
8250-150K-RC
8250-180K-RC
8250-220K-RC
8250-270K-RC
8250-330K-RC
8250-390K-RC
8250-470K-RC
8250-560K-RC
8250-680K-RC
8250-820K-RC
8250-101K-RC
8250-121K-RC
8250-151K-RC
8250-181K-RC
8250-221K-RC
8250-271K-RC
8250-331K-RC
8250-391K-RC
8250-471K-RC
8250-561K-RC
8250-681K-RC
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
25
25
400
400
400
400
400
400
325
390
264
249
221
200
156
144
128
121
108
96
0.026
0.029
0.034
0.044
0.056
0.090
0.122
0.161
0.218
0.290
0.382
0.450
0.054
0.070
0.096
0.107
0.142
0.284
0.260
0.354
0.168
0.511
0.750
0.828
1.270
1.760
2.300
0.677
0.742
0.850
0.928
1.28
3000
2860
2600
2300
2050
1625
1400
1220
1060
900
3000
2860
2600
2300
2050
1625
1400
1220
1060
900
790
725
2080
1840
1560
1480
1290
1130
950
815
710
680
560
535
532
368
325
235
220
200
190
180
175
160
150
140
120
95
................................-55 °C to +105 °C
Storage Temperature
25
................................-55 °C to +105 °C
25
25
Materials
25
Core Material................................Ferrite
Wire ...........................Enameled copper
Terminal Coating.................................Sn
25
25
25
Packaging
25
25
790
725
Standard......................500 pcs. per bag
25
Optional........ 2500 pcs. per 14-inch reel
25
2080
1840
1560
1480
1290
1130
950
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
Product Dimensions
11.43
(0.45)
MAX.
25.4
(1.0)
MIN.
88
84
815
0.51
(0.02)
4.17
(0.164)
MAX.
72
710
69
680
62
560
MM
(INCHES)
DIMENSIONS:
58
535
53
532
12
47
368
15
41
325
Electrical Schematic
18
43
596
22
38
565
27
36
526
33
33
505
39
29.4
26.5
25
429
How To Order
47
1.48
400
8251 - ±1±K - ___ - RC
56
1.64
380
Model
Value Code (see table)
68
23
2.20
328
82
14
1.96
349
100
120
150
180
220
270
330
390
470
560
680
12
2.28
322
Packaging Code
11.2
10.5
10.0
9.4
8.0
7.3
6.9
6.5
6.0
5.6
2.45
311
Blank = 500 pcs. per bag
TR = 2500 pcs. per reel
2.79
294
90
3.08
277
85
Compliance Code
RC = RoHS Compliant
3.48
251
80
4.55
231
70
Examples:
8250-151K-RC = 150 µH, packaged 500 pcs.
5.10
215
65
per bag
5.62
205
60
8250-R39K-TR-RC = 0.39 µH, packaged 2500
pcs. per 14-inch reel
6.45
192
58
8.00
174
55
8.85
163
50
~ Continued on page 2 ~
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications