Features
■ Current rating up to 0.7 A
■ Dielectric strength: 500 VRMS
■ RoHS compliant*
Applications
■ DC/DC converters
■ Power supplies
■ General use
79F Series Conformal Coated RF Choke
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
*RoHS COMPLIANT
Electrical Specifi cations (@ 25 °C)
Part Number Value (μH)
Q
Min.
Test
Frequency
(MHz)
SRF
(MHz)
Min.
DCR
(Ω)
Max.
IDC
(mA)
Max.
79FR10M-RC 0.10 ±20 % 35 25 300 0.180 700
79FR12M-RC 0.12 ±20 % 35 25 300 0.200 660
79FR15M-RC 0.15 ±20 % 35 25 300 0.220 620
79FR18M-RC 0.18 ±20 % 35 25 300 0.240 600
79FR22M-RC 0.22 ±20 % 35 25 150 0.400 400
79FR27M-RC 0.27 ±20 % 35 25 150 0.430 380
79FR33M-RC 0.33 ±20 % 35 25 150 0.480 370
79FR39M-RC 0.39 ±20 % 35 25 150 0.51 350
79FR47M-RC 0.47 ±20 % 35 25 150 0.56 330
79FR56M-RC 0.56 ±20 % 35 25 150 0.61 320
79FR68M-RC 0.68 ±20 % 35 25 150 0.67 310
79FR82M-RC 0.82 ±20 % 35 25 150 0.74 290
79F1R0K-RC 1.0 ±10 % 35 25 150 0.80 270
79F1R2K-RC 1.2 ±10 % 40 7.9 110 0.90 260
79F1R5K-RC 1.5 ±10 % 40 7.9 70 1.00 250
79F1R8K-RC 1.8 ±10 % 40 7.9 60 1.10 240
79F2R2K-RC 2.2 ±10 % 40 7.9 45 1.20 230
79F2R7K-RC 2.7 ±10 % 40 7.9 40 1.30 220
79F3R3K-RC 3.3 ±10 % 40 7.9 38 1.40 210
79F3R9K-RC 3.9 ±10 % 40 7.9 36 1.50 200
79F4R7K-RC 4.7 ±10 % 40 7.9 30 1.70 190
79F5R6K-RC 5.6 ±10 % 40 7.9 28 1.90 180
79F6R8K-RC 6.8 ±10 % 40 7.9 26 2.00 175
79F8R2K-RC 8.2 ±10 % 40 7.9 24 2.20 165
79F100K-RC 10 ±10 % 40 7.9 22 2.40 160
79F120K-RC 12 ±10 % 40 2.5 20 2.80 150
79F150K-RC 15 ±10 % 40 2.5 18 2.80 145
79F180K-RC 18 ±10 % 40 2.5 17 3.10 140
79F220K-RC 22 ±10 % 40 2.5 16 3.40 100
79F270K-RC 27 ±10 % 40 2.5 14 4.30 80
79F330K-RC 33 ±10 % 40 2.5 13.5 4.70 75
79F390K-RC 39 ±10 % 40 2.5 13.00 5.20 74
79F470K-RC 47 ±10 % 40 2.5 12.00 5.80 70
79F560K-RC 56 ±10 % 40 2.5 11.00 6.40 68
79F680K-RC 68 ±10 % 40 2.5 10.00 7.20 64
79F820K-RC 82 ±10 % 40 2.5 9.50 11.00 46
79F101K-RC 100 ±10 % 40 2.5 9.00 12.00 44
79F121K-RC 120 ±10 % 40 0.79 8.00 13.00 42
79F151K-RC 150 ±10 % 40 0.79 6.00 16.00 39
79F181K-RC 180 ±10 % 40 0.79 5.00 18.00 37
79F221K-RC 220 ±10 % 40 0.79 5.00 20.00 35
General Specifi cations
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
Electrical Schematic
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
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
79F Series Conformal Coated RF Choke
Product Dimensions Typical Part Marking - EIA Color Code
REV. 10/09
DIMENSIONS: MM
(INCHES)
25.40
(1.0)
4.06
(0.16)
MAX.
MAX.
MIN.
25.40
(1.0)
MIN.
2.54
(0.10) 0.51
(0.020)
1st signifi cant fi gure (Blue)
2nd signifi cant fi gure (Gray)
Multiplier (Gold)
Example for 6.8 µH
Example for 220 µH
Color
1st & 2nd
Significant
Figure Multiplier
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
1st signifi cant fi gure (Red)
2nd signifi cant fi gure (Red)
Multiplier (Brown)
