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74F Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – High Q, high self-resonant frequency Varnish coated
† RoHS COMPLIANT
Varnished Chokes
Special Features
74F Series
Test SRF DCR
• High Q, high self-resonant frequency
Part
L (µH) Q Freq. (MHz) Ω
• High voltage application on phenolic components
Number
±20 % Min. (MHz) Min. Max.
• Single layer wound
• Low cost
• Varnish coated
• Color dot identification
• Operating temperature: phenolic -55 to
74F106AP-RC 1.0 45 7.96 190 0.20
74F126AP-RC 1.2 45 7.96 174 0.22
74F156AP-RC 1.5 45 7.96 160 0.25
74F186AP-RC 1.8 45 7.96 144 0.28
74F226AP-RC 2.2 45 7.96 132 0.30
±10 %
+125 °C; iron -55 to +105 °C
74F276AP-RC 2.7 45 7.96 119 0.50
74F336AP-RC 3.3 45 7.96 108 0.70
Notes
* Current to cause 35 °C max. temperature rise
74F396AP-RC 3.9 45 7.96 101 0.80
74F476AP-RC 4.7 50 7.96 91
1.0
74F566AP-RC 5.6 50 7.96 83
1.8
74F686AP-RC 6.8
50 7.96
75
1.85
74F826AP-RC 8.2 50 7.96 68
1.9
† RoHS Directive 2002/95/EC Jan 27 2003
74F105AP-RC 10
50 7.96
62
3.0
including Annex.
74F125AP-RC 12
30 2.52
57
3.6
74F155AP-RC 15
30 2.52
51
6.0
74F185AP-RC 18
30 2.52
46
7.5
74F225AI-RC
22
85 2.52
28
2.0
74F275AI-RC
27
80 2.52
26
1.85
74F335AI-RC
33
80 2.52
24
2.0
74F395AI-RC
39
90 2.52
21
2.6
74F475AI-RC
47
90 2.52
19
3.5
74F565AI-RC
56
90 2.52
18
3.75
74F685AI-RC
68
90 2.52
17
4.0
1.5
0.5
74F825AI-RC
82 100 2.52
15
5.1
74F104AI-RC 100 100 2.52 14
6.0
“-RC” suffix indicates RoHS compliance.
I, DC*
(mA)
1000
950
900
850
800
Core
Material
Phenolic
Phenolic
Phenolic
Phenolic
Phenolic
700 Phenolic
600 Phenolic
500 Phenolic
400 Phenolic
350 Phenolic
300 Phenolic
275 Phenolic
250 Phenolic
200 Phenolic
150 Phenolic
100 Phenolic
500
Iron
450
Iron
450
Iron
400
Iron
350
Iron
300
Iron
250
Iron
200
Iron
100
Iron
Dia.
0.032 for 1-18uh
0.029 for 22-100uh
Dimensions: Inches
0.20 Max.
Tel. (877) 426-8767 • Fax (951) 781-5006
20.6
www.bourns.com
REV. 06/07