78F121J Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Conformal Coated RF Chokes

Conformal Coated RF Chokes
Special Features
• High Q & self resonant frequency
• Low DCR
• Ferrite bobbin core
• Epoxy coated to protect winding form
harsh environments
• Low cost
• Color bands identification (Per EIA Standard)
• Dielectric strength 500Vrms
• Operating temperature –55 - +105°C
Notes
* Current to cause 35°C maximum
temperature rise
1.0
0.28
Min.
Max.
0.020
Dimensions: Inches
0.11 Max.
78F Series
Test
Part
L (µH)
Q
Freq.
Number ±20% Min. (MHz)
78FR033M 0.033
50
50
78FR10M
0.10
40
25
78FR12M
0.12
40
25
78FR15M
0.15
40
25
78FR18M
0.18
40
25
±10%
78FR22K
0.22
40
25
78FR27K
0.27
40
25
78FR33K
0.33
40
25
78FR39K
0.39
40
25
78FR47K
0.47
40
25
78FR56K
0.56
40
25
78FR68K
0.68
40
25
78FR82K
0.82
40
25
78F1R0K
1.0
40
25
78F1R2K
1.2
40
7.9
78F1R5K
1.5
45
7.9
78F1R8K
1.8
50
7.9
78F2R2K
2.2
50
7.9
78F2R7K
2.7
50
7.9
±5%
78F3R3J
3.3
50
7.9
78F3R9J
3.9
45
7.9
78F4R7J
4.7
45
7.9
78F5R6J
5.6
45
7.9
78F6R8J
6.8
40
7.9
78F8R2J
8.2
40
7.9
78F100J
10
40
7.9
78F120J
12
45
2.5
78F150J
15
50
2.5
78F180J
18
50
2.5
78F220J
22
50
2.5
78F270J
27
50
2.5
78F330J
33
50
2.5
78F390J
39
50
2.5
78F470J
47
60
2.5
78F560J
56
60
2.5
78F680J
68
60
2.5
78F820J
82
60
2.5
78F101J
100
60
2.5
78F121J
120
60
0.79
78F151J
150
60
0.79
78F181J
180
60
0.79
78F221J
220
60
0.79
78F271J
270
60
0.79
78F331J
330
60
0.79
78F391J
390
60
0.79
78F471J
470
60
0.79
78F561J
560
60
0.79
78F681J
680
60
0.79
78F821J
820
60
0.79
78F102J
1000
60
0.79
Also available as RoHS compliant.
SRF
(MHz)
Min.
400
400
400
400
400
380
360
350
320
330
280
250
200
180
165
150
125
110
95
70
65
50
40
30
28
22
20
16
15
13
11
10
9.5
8.5
7.5
6.5
6.0
5.5
5.4
4.7
4.3
4.0
3.7
3.4
2.8
2.5
2.3
2.0
1.5
1.2
DCR
Ω
Max.
0.02
0.06
0.06
0.07
0.08
0.08
0.08
0.08
0.09
0.10
0.11
0.12
0.12
0.15
0.18
0.20
0.25
0.28
0.30
0.34
0.32
0.35
0.40
0.45
0.55
0.72
0.80
0.88
1.00
1.20
1.35
1.50
1.70
2.30
2.60
2.90
3.20
3.50
3.80
4.40
5.00
5.70
6.50
9.50
10.5
11.6
13.0
18.0
23.0
26.0
I, DC*
(mA)
500
500
500
500
450
1025
950
815
700
650
545
495
415
385
590
535
455
395
355
270
250
230
185
175
155
130
155
150
145
140
135
195
185
167
150
137
132
125
100
90
84
76
70
65
60
53
51
45
43
41
306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone [phone] • FAX [phone]
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17.3