Features
Applications
■ DC/DC converters
■ Power supplies
■ General use
■ Current rating up to 0.7 A
■ Dielectric strength: 500 VRMS
■ RoHS compliant*
79F Series - Axial RF Choke
Electrical Specifications (@ 25 °C)
General Specifications
Temperature Rise............................35 °C
at rated current
Operating Temperature Range
..................................-55 °C to +105 °C
(including temperature rise)
Test
Frequency
(MHz)
SRF
(MHz)
Min.
DCR
Ω
IDC
(mA)
Max.
Part
Q
Number
Value (µH)
Min.
Max.
79FR10K-RC 0.10 10 ꢀ
79FR12K-RC 0.12 10 ꢀ
79FR15K-RC 0.15 10 ꢀ
79FR18K-RC 0.18 10 ꢀ
79FR22K-RC 0.22 10 ꢀ
79FR27K-RC 0.27 10 ꢀ
35
35
35
35
35
35
35
35
35
35
35
35
35
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
25
25
300
300
300
300
150
150
150
150
150
150
150
150
150
110
70
0.180
0.200
0.220
0.240
0.400
0.430
0.480
0.51
0.56
0.61
0.67
0.74
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.70
1.90
2.00
2.20
2.40
2.80
2.80
3.10
3.40
4.30
4.70
5.20
5.80
6.40
7.20
11.00
12.00
13.00
16.00
18.00
20.00
700
660
620
600
400
380
370
350
330
320
310
290
270
260
250
240
230
220
210
200
190
180
175
165
160
150
145
140
100
80
25
Storage Temperature Range
..................................-55 °C to +105 °C
25
25
Materials
25
Core Material ...................Ferrite DR core
Wire .....................Enamelled copper wire
Terminal.....................................Cu/Ni/Sn
Coating..................................Epoxy resin
79FR33K-RC
79FR39K-RC
79FR47K-RC
79FR56K-RC
79FR68K-RC
79FR82K-RC
79F1R0K-RC
79F1R2K-RC
79F1R5K-RC
79F1R8K-RC
79F2R2K-RC
79F2R7K-RC
79F3R3J-RC
79F3R9J-RC
79F4R7J-RC
79F5R6J-RC
79F6R8J-RC
79F8R2J-RC
79F100J-RC
79F120J-RC
79F150J-RC
79F180J-RC
79F220J-RC
79F270J-RC
79F330J-RC
79F390J-RC
79F470J-RC
79F560J-RC
79F680J-RC
79F820J-RC
79F101J-RC
79F121J-RC
79F151J-RC
79F181J-RC
79F221J-RC
0.33 5 ꢀ
0.39 5 ꢀ
0.47 5 ꢀ
0.56 5 ꢀ
0.68 5 ꢀ
0.82 5 ꢀ
1.0 5 ꢀ
1.2 5 ꢀ
1.5 5 ꢀ
1.8 5 ꢀ
2.2 5 ꢀ
2.7 5 ꢀ
3.3 5 ꢀ
3.9 5 ꢀ
4.7 5 ꢀ
5.6 5 ꢀ
6.8 5 ꢀ
8.2 5 ꢀ
10 5 ꢀ
12 5 ꢀ
15 5 ꢀ
18 5 ꢀ
22 5 ꢀ
27 5 ꢀ
33 5 ꢀ
39 5 ꢀ
47 5 ꢀ
56 5 ꢀ
68 5 ꢀ
82 5 ꢀ
100 5 ꢀ
120 5 ꢀ
150 5 ꢀ
180 5 ꢀ
220 5 ꢀ
25
25
25
25
25
Marking - EIA Color Code
25
1st Color ................First significant figure
2nd Color..........Second significant figure
3rd Color ...................................Multiplier
4th Color...................................Tolerance
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
60
Packaging
45
40
...............2000 pcs. per ammo-pak box
38
36
30
Product Dimensions
28
26
2.54
(0.10)
MAX.
0.51
(0.020)
24
22
20
18
25.40
(1.0)
MIN.
4.06
(0.16)
MAX.
25.40
(1.0)
MIN.
17
16
14
MM
(INCHES)
13.5
13.00
12.00
11.00
10.00
9.50
9.00
8.00
6.00
5.00
5.00
75
DIMENSIONS:
74
70
68
Electrical Schematic
64
46
44
42
39
37
35
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.