IA
NT
Features
■
Current rating up to 0.7 A
■
Dielectric strength: 500 VRMS
■
RoHS compliant*
Applications
■
DC/DC converters
■
Power supplies
■
General use
*R
oH
S
CO
M
PL
79F Series - Axial RF Choke
Electrical Specifications (@ 25
°C)
Part
Number
79FR10K-RC
79FR12K-RC
79FR15K-RC
79FR18K-RC
79FR22K-RC
79FR27K-RC
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
Q
Min.
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
Test
Frequency
(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
SRF
(MHz)
Min.
300
300
300
300
150
150
150
150
150
150
150
150
150
110
70
60
45
40
38
36
30
28
26
24
22
20
18
17
16
14
13.5
13.00
12.00
11.00
10.00
9.50
9.00
8.00
6.00
5.00
5.00
DCR
Ω
Max.
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
IDC
(mA)
Max.
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
75
74
70
68
64
46
44
42
39
37
35
General Specifications
Temperature Rise ............................35 °C
at rated current
Operating Temperature Range
..................................-55
°C
to +105
°C
(including temperature rise)
Storage Temperature Range
..................................-55
°C
to +105
°C
Materials
Core Material ...................Ferrite DR core
Wire .....................Enamelled copper wire
Terminal .....................................Cu/Ni/Sn
Coating..................................Epoxy resin
Marking - EIA Color Code
1st Color ................First significant figure
2nd Color..........Second significant figure
3rd Color ...................................Multiplier
4th Color...................................Tolerance
Packaging
...............2000 pcs. per ammo-pak box
Value (µH)
0.10 ±10 %
0.12 ±10 %
0.15 ±10 %
0.18 ±10 %
0.22 ±10 %
0.27 ±10 %
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 %
Product Dimensions
2.54
MAX.
(0.10)
0.51
(0.020)
25.40
(1.0)
MIN.
4.06
(0.16)
MAX.
25.40
(1.0)
MIN.
DIMENSIONS:
MM
(INCHES)
Electrical Schematic
*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.
79F Series - Axial RF Choke
How To Order
79F 100 K -TR - RC
Model
Value Code (see table)
Tolerance Code (see table)
Packaging
-TR = 2,000 pcs./ammo-pak box
RoHS Compliant
Asia-Pacific:
Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
REV. 07/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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