Flat RF Chokes
Special Features
• High Q
• Ferrite core
• Flat body construction to occupy small PCB area
• Low cost
• Varnish coated
• Operating temperature: -55 to +105 °C
Part
Number
3500-1R0M
3500-1R2M
3500-1R5M
3500-1R8M
3500-2R2M
3500-2R7M
3500-3R3M
3500-3R9M
3500-4R7M
3500-5R6M
3500-6R8M
3500-8R2M
3500-100K
3500-120K
3500-150K
3500-180K
3500-220K
3500-270K
3500-330K
3500-390K
3500-470K
3500-560K
3500-680K
3500-820K
3500-101K
3500-121K
3500-151K
3500-181K
3500-221K
3500-271K
3500-331K
3500-391K
3500-471K
3500-561K
3500-681K
3500-821K
3500-102K
3500-122K
3500-152K
3500-182K
3500-222K
3500-272K
3500-332K
3500-392K
3500-472K
3500-752K
3500-103K
L (μH)
±20 %
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 %
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
1200
1500
1800
2200
2700
3300
3900
4700
7500
10,000
3500 Series
Test
Freq.
Q
(MHz)
Min.
37
39
33
37
38
43
35
37
37
35
29
32
31
55
51
46
51
52
47
46
45
45
46
53
39
75
60
75
63
68
64
60
70
68
64
60
40
70
72
72
72
72
72
70
63
20
40
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.252
0.0796
DCR
Ω
Max.
0.010
0.012
0.014
0.020
0.025
0.028
0.036
0.050
0.053
0.092
0.113
0.116
0.120
0.140
0.158
0.180
0.230
0.265
0.346
0.371
0.502
0.687
0.888
1.20
1.50
1.73
1.96
2.07
2.19
2.53
3.34
3.45
5.29
5.41
5.93
6.33
7.31
10.0
14.3
15.8
17.6
19.3
21.7
26.0
29.9
55.0
80.0
I sat.*
(A)
7.0
6.0
5.0
4.8
4.4
4.0
3.7
3.4
3.2
2.8
2.6
2.2
2.1
2.0
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.95
0.90
0.85
0.80
0.65
0.60
0.56
0.49
0.45
0.41
0.39
0.35
0.32
0.29
0.27
0.25
0.2
0.19
0.17
0.15
0.14
0.13
0.12
0.11
0.08
0.07
I, DC**
(A)
3.60
3.30
3.00
2.50
2.30
2.20
1.90
1.60
1.50
1.20
1.10
1.10
1.00
0.96
0.91
0.85
0.75
0.70
0.61
0.59
0.51
0.44
0.38
0.33
0.29
0.27
0.26
0.25
0.24
0.23
0.20
0.19
0.16
0.16
0.15
0.14
0.14
0.11
0.10
0.091
0.086
0.082
0.077
0.071
0.066
0.045
0.040
Notes
* Saturation current to cause 5 % max.
inductance drop
** Rated current to cause 35 °C max. temperature rise
0.39
0.15
Max.
0.30
Max.
0.75
0.30
0.020
Dimensions: Inches
For RoHS compliant version, add “-RC” to part number.
Tel. (877) 426-8767 • Fax (951) 781-5006
www.bourns.com
16.1
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