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
Part
Number
74F106AP
74F126AP
74F156AP
74F186AP
74F226AP
74F276AP
74F336AP
74F396AP
74F476AP
74F566AP
74F686AP
74F826AP
74F105AP
74F125AP
74F155AP
74F185AP
74F225AI
74F275AI
74F335AI
74F395AI
74F475AI
74F565AI
74F685AI
74F825AI
74F104AI
L (µH)
±20%
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
Q
Min.
45
45
45
45
45
45
45
45
50
50
50
50
50
30
30
30
85
80
80
90
90
90
90
100
100
74F Series
Test
SRF
Freq.
(MHz)
(MHz)
Min.
7.96
7.96
7.96
7.96
7.96
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
190
174
160
144
132
119
108
101
91
83
75
68
62
57
51
46
28
26
24
21
19
18
17
15
14
DCR
Ω
Max.
0.20
0.22
0.25
0.28
0.30
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
I, DC*
(mA)
1000
950
900
850
800
700
600
500
400
350
300
275
250
200
150
100
500
450
450
400
350
300
250
200
100
Core
Material
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Iron
Notes
* Current to cause 35°C maximum
temperature rise
1.5
0.5
Also available as RoHS compliant.
Dia.
0.032 for 1-18uh
0.029 for 22-100uh
Dimensions: Inches
0.20 Max.
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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