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PL 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
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 () 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 (H) 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. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
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 H
1st signifi cant fi gure (Blue) 2nd signifi cant fi gure (Gray) Multiplier (Gold)
Example for 220 H
1st signifi cant fi gure (Red) 2nd signifi cant fi gure (Red) Multiplier (Brown)
REV. 10/09
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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