78FR18M [BOURNS]
Conformal Coated RF Chokes; 敷形涂层的RF扼流圈
| 型号： | 78FR18M |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Conformal Coated RF Chokes |
| 文件： | 总1页 (文件大小：169K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Conformal Coated RF Chokes
Special Features
• High Q & self resonant frequency
• Low DCR
78F Series
Test
Freq.
(MHz)
50
25
25
SRF
(MHz)
Min.
400
400
400
DCR
Ω
Part
L (µH)
±20%
0.033
0.10
0.12
0.15
0.18
±10%
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.0
Q
Min.
50
40
40
I, DC*
(mA)
500
500
500
Number
78FR033M
78FR10M
78FR12M
78FR15M
78FR18M
Max.
0.02
0.06
0.06
0.07
0.08
• Ferrite bobbin core
• Epoxy coated to protect winding form
harsh environments
40
40
25
25
400
400
500
450
• Low cost
• Color bands identification (Per EIA Standard)
• Dielectric strength 500Vrms
• Operating temperature –55 - +105°C
78FR22K
78FR27K
78FR33K
78FR39K
78FR47K
78FR56K
78FR68K
78FR82K
78F1R0K
78F1R2K
78F1R5K
78F1R8K
78F2R2K
78F2R7K
40
40
40
40
40
40
40
40
40
40
45
50
50
50
25
25
25
25
25
25
25
25
25
7.9
7.9
7.9
7.9
7.9
380
360
350
320
330
280
250
200
180
165
150
125
110
95
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
1025
950
815
700
650
545
495
415
385
590
535
455
395
355
Notes
* Current to cause 35°C maximum
temperature rise
1.2
1.5
1.8
2.2
2.7
±5%
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
78F3R3J
78F3R9J
78F4R7J
78F5R6J
78F6R8J
78F8R2J
78F100J
78F120J
78F150J
78F180J
78F220J
78F270J
78F330J
78F390J
78F470J
78F560J
78F680J
78F820J
78F101J
78F121J
78F151J
78F181J
78F221J
78F271J
78F331J
78F391J
78F471J
78F561J
78F681J
78F821J
78F102J
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
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
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
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
270
250
230
185
175
155
130
155
150
145
140
135
195
185
167
150
137
132
125
100
90
1.0
Min.
0.28
Max.
0.020
0.11 Max.
Dimensions: Inches
68
82
2.5
2.5
100
120
150
180
220
270
330
390
470
560
680
820
1000
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
84
76
70
65
60
53
51
45
43
41
Also available as RoHS compliant.
306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone (310) 515-1720 • FAX (310) 515-1962
wwww.jwmiller.com
17.3
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