PL
IA
NT
Features
■
Current rating up to 0.7 A
■
Dielectric strength: 500 VRMS
■
RoHS compliant*
*R
oH
S
The 79F Series is currently available,
but not recommended for new
designs. See
Product Obsolescence
Memo
for details.
CO
M
79F Series Conformal Coated RF Choke
Electrical Specifications (@ 25 °C)
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
Part Number
79FR10M-RC
79FR12M-RC
79FR15M-RC
79FR18M-RC
79FR22M-RC
79FR27M-RC
79FR33M-RC
79FR39M-RC
79FR47M-RC
79FR56M-RC
79FR68M-RC
79FR82M-RC
79F1R0K-RC
79F1R2K-RC
79F1R5K-RC
79F1R8K-RC
79F2R2K-RC
79F2R7K-RC
79F3R3K-RC
79F3R9K-RC
79F4R7K-RC
79F5R6K-RC
79F6R8K-RC
79F8R2K-RC
79F100K-RC
79F120K-RC
79F150K-RC
79F180K-RC
79F220K-RC
79F270K-RC
79F330K-RC
79F390K-RC
79F470K-RC
79F560K-RC
79F680K-RC
79F820K-RC
79F101K-RC
79F121K-RC
79F151K-RC
79F181K-RC
79F221K-RC
Value (μH)
0.10 ±20 %
0.12 ±20 %
0.15 ±20 %
0.18 ±20 %
0.22 ±20 %
0.27 ±20 %
0.33 ±20 %
0.39 ±20 %
0.47 ±20 %
0.56 ±20 %
0.68 ±20 %
0.82 ±20 %
1.0 ±10 %
1.2 ±10 %
1.5 ±10 %
1.8 ±10 %
2.2 ±10 %
2.7 ±10 %
3.3 ±10 %
3.9 ±10 %
4.7 ±10 %
5.6 ±10 %
6.8 ±10 %
8.2 ±10 %
10 ±10 %
12 ±10 %
15 ±10 %
18 ±10 %
22 ±10 %
27 ±10 %
33 ±10 %
39 ±10 %
47 ±10 %
56 ±10 %
68 ±10 %
82 ±10 %
100 ±10 %
120 ±10 %
150 ±10 %
180 ±10 %
220 ±10 %
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
Packaging
.............2000 pcs. per ammo-pak box
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
Electrical Schematic
*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.
Applications
■
DC/DC converters
■
Power supplies
■
General use
79F Series Conformal Coated RF Choke
Product Dimensions
2.54
MAX.
(0.10)
Typical Part Marking - EIA Color Code
0.51
(0.020)
Color
1st & 2nd
Significant
Figure
Multiplier
25.40
(1.0)
MIN.
4.06
(0.16)
MAX.
25.40
(1.0)
MIN.
DIMENSIONS:
MM
(INCHES)
Silver
Gold
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
0
1
2
3
4
5
6
7
8
9
0.01
0.1
1
10
100
1000
Example for 6.8 µH
1st signifi cant fi gure (Blue)
2nd signifi cant fi gure (Gray)
Multiplier (Gold)
Example for 220 µH
1st signifi cant fi gure (Red)
2nd signifi cant fi gure (Red)
Multiplier (Brown)
REV. 11/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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