Varnished RF Chokes
Special Features
• High Q, high self-resonant frequency
• High voltage application on phenolic components
• Single layer wound
• Low cost
• Varnish coated
• Color dot identification
• Operating temperature: phenolic -55 to
+125°C; iron -55 to +105°C
Notes
* Current to cause 35°C maximum
temperature rise
1.5
0.5
74F Series
Test
SRF
Freq.
(MHz)
(MHz)
Min.
Part
Number
L (µH)
±20%
Q
Min.
74F106AP
74F126AP
74F156AP
74F186AP
74F226AP
1.0
1.2
1.5
1.8
2.2
±10%
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
45
45
45
45
45
7.96
7.96
7.96
7.96
7.96
45
45
45
50
50
50
50
50
30
30
30
85
80
80
90
90
90
90
100
100
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
74F276AP
74F336AP
74F396AP
74F476AP
74F566AP
74F686AP
74F826AP
74F105AP
74F125AP
74F155AP
74F185AP
74F225AI
74F275AI
74F335AI
74F395AI
74F475AI
74F565AI
74F685AI
74F825AI
74F104AI
DCR
Ω
Max.
I, DC*
(mA)
Core
Material
190
174
160
144
132
0.20
0.22
0.25
0.28
0.30
1000
950
900
850
800
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
119
108
101
91
83
75
68
62
57
51
46
28
26
24
21
19
18
17
15
14
0.50
0.70
0.80
1.0
1.8
1.85
1.9
3.0
3.6
6.0
7.5
2.0
1.85
2.0
2.6
3.5
3.75
4.0
5.1
6.0
700
600
500
400
350
300
275
250
200
150
100
500
450
450
400
350
300
250
200
100
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Also available as RoHS compliant.
Dia.
0.032 for 1-18uh
0.029 for 22-100uh
0.20 Max.
Dimensions: Inches
306 E. Alondra Blvd. Gardena, CA 90247-1059 • Phone (310) 515-1720 • FAX (310) 515-1962
20.6
wwww.jwmiller.com
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