PL
IA
NT
Features
n
Current rating up to 1.2 A
n
Dielectric strength: 500 VRMS
n
RoHS compliant*
Applications
n
DC/DC converters
n
Power supplies
n
General use
*R
oH
S
CO
M
LE
AD
F
RE
E
78F Series Conformal Coated RF Choke
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
Moisture Sensitivity Level ..................... 1
ESD Classification (HBM) ................. N/A
Materials
Core Material .................. Ferrite DR core
Wire ....................Enamelled copper wire
Terminal ........................................ Cu/Sn
Coating .................................Epoxy resin
Packaging
Standard ................ 5000 pcs. per bag
Optional..... 5000 pcs. per 14-inch reel
How to Order
Electrical Specifications (@ 25 °C)
Q
Min.
20
20
20
20
40
40
40
40
40
40
40
40
40
40
50
50
50
50
50
45
45
45
40
40
40
45
50
50
50
50
50
50
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
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
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
SRF
(MHz)
Min.
400
400
380
380
380
360
335
310
270
245
230
200
180
165
150
125
110
95
60
50
38
32
28
20
18
16
16
15
13
11
10
9.50
8.50
7.50
6.50
6.00
5.50
5.40
4.75
4.35
4.00
3.70
3.40
2.80
2.55
2.35
2.00
1.50
1.20
DCR
(Ω)
Max.
0.060
0.070
0.070
0.073
0.075
0.085
0.095
0.10
0.11
0.12
0.13
0.14
0.15
0.18
0.20
0.23
0.25
0.28
0.30
0.32
0.35
0.40
0.45
0.55
0.75
0.80
0.93
1.00
1.20
1.35
1.50
1.70
2.70
2.95
3.30
3.60
4.10
4.70
5.40
6.00
6.80
7.70
11.1
12.6
14.0
15.5
25.3
27.5
31.4
IDC
(mA)
Max.
1200
1200
1200
1150
1150
1110
1110
1000
1000
950
900
875
815
740
700
655
630
595
575
555
530
500
470
425
370
350
335
315
285
270
255
240
205
195
185
175
165
160
150
140
130
120
100
95
90
85
68
65
60
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Part Number
78FR10K-RC
78FR12K-RC
78FR15K-RC
78FR18K-RC
78FR22K-RC
78FR27K-RC
78FR33K-RC
78FR39K-RC
78FR47K-RC
78FR56K-RC
78FR68K-RC
78FR82K-RC
78F1R0K-RC
78F1R2K-RC
78F1R5K-RC
78F1R8K-RC
78F2R2K-RC
78F2R7K-RC
78F3R3J-RC
78F3R9J-RC
78F4R7J-RC
78F5R6J-RC
78F6R8J-RC
78F8R2J-RC
78F100J-RC
78F120J-RC
78F150J-RC
78F180J-RC
78F220J-RC
78F270J-RC
78F330J-RC
78F390J-RC
78F470J-RC
78F560J-RC
78F680J-RC
78F820J-RC
78F101J-RC
78F121J-RC
78F151J-RC
78F181J-RC
78F221J-RC
78F271J-RC
78F331J-RC
78F391J-RC
78F471J-RC
78F561J-RC
78F681J-RC
78F821J-RC
78F102J-RC
Value (μH)
0.10 ±10 %
0.12 ±10 %
0.15 ±10 %
0.18 ±10 %
0.22 ±10 %
0.27 ±10 %
0.33 ±10 %
0.39 ±10 %
0.47 ±10 %
0.56 ±10 %
0.68 ±10 %
0.82 ±10 %
1.0 ±10 %
1.2 ±10 %
1.5 ±10 %
1.8 ±10 %
2.2 ±10 %
2.7 ±10 %
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 %
270 ±5 %
330 ±5 %
390 ±5 %
470 ±5 %
560 ±5 %
680 ±5 %
820 ±5 %
1000 ±5 %
78F 100 J __ - RC
Model
Value Code (see table)
Tolerance Code (see table)
Packaging
Blank = 5,000 pcs./bag
-TR = 5,000 pcs./14” reel
RoHS Compliant
Examples:
• 78F1R0K-RC = 1.0 mH Model 78F
packaged 5,000 pcs. per bag.
• 78F100J-TR-RC = 10 mH Model 78F
packaged 5,000 pcs. per reel.
Electrical Schematic
Product Dimensions
2.79
MAX.
(0.11)
0.51
(0.020)
25.40
(1.0)
MIN.
7.11
(0.28)
MAX.
25.40
(1.0)
MIN.
MM
DIMENSIONS:
(INCHES)
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
78F Series Conformal Coated RF Choke
Packaging Specifications
71.00 ± 3.00
(2.795 ± 0.118)
71.00 ± 3.00
(2.795 ± 0.118)
Typical Part Marking - EIA Color Code
1st & 2nd
Significant
Color
Multiplier
Figure
Tolerance
15.00 ± 0.50
(0.591 ± 0.020)
355.00 ± 0.50
(13.976 ± 0.020)
15.00 ± 0.50
(0.591 ± 0.020)
355.00 ± 0.50
(13.976 ± 0.020)
6.00 ± 1.00
(0.236 ± 0.039)
2.50
(0.098)
MAX.
52.00 ± 1.50
(2.047
6.00 ± 1.00 ± 0.059)
(0.236 ± 0.039)
2.50
(0.098)
MAX.
6.00 ± 1.00
(0.236 ± 0.039)
52.00 ± 1.50
(2.047 ± 0.059)
0.50
(0.020)
MAX.
Silver
Gold
Black
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
6.00 ± 1.00
(0.236 ± 0.039)
0
1
2
3
4
5
6
7
8
9
0.01
0.1
1
10
100
1000
±10 %
±5 %
Example for 6.8 µH, ±5 %
0.50
(0.020)
MAX.
1st signifi cant fi gure (Blue)
2nd signifi cant fi gure (Gray)
Multiplier (Gold)
Tolerance (Gold)
1.00
(0.039)
MAX.
Example for 270 µH, ±5 %
1.00
(0.039)
MAX.
1.00
(0.039)
MAX.
26.00 ± 1.50
1.00
(1.024 ± 0.059)
(0.039)
MAX.
5.00 ± 0.50
(0.197 ± 0.020)
26.00 ± 1.50
(1.024 ± 0.059)
1st signifi cant fi gure (Red)
2nd signifi cant fi gure (Purple)
Multiplier (Brown)
Tolerance (Gold)
5.00 ± 0.50
(0.197 ± 0.020)
MM
DIMENSIONS:
(INCHES)
REV. 01/18
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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