Varnished Chokes
73F Series
Test
Freq.
(MHz)
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Special Features
• High Q, high self-resonant frequency
• High voltage application
• Universal wound
• Ferrite core
• Low cost
SRF
(MHz)
Min.
7.7
7.0
6.3
6.0
5.6
5.1
4.8
4.4
3.9
3.6
3.4
3.1
2.6
2.2
2.0
1.8
1.5
1.4
1.3
1.2
1.0
1.0
0.90
0.91
0.85
DCR
Ω
Max.
2.0
2.2
2.5
2.9
3.2
3.6
3.8
4.2
4.8
5.3
6.0
6.8
7.5
Dim.
A
Part
Number
L (µH)
± ± ꢀ
100
120
150
180
220
270
330
390
470
560
680
Q
I, DC*
(mA)
250
250
250
250
250
250
250
225
200
200
200
200
150
150
150
150
150
125
125
125
100
80
Min.
140
140
160
160
160
160
160
160
160
160
160
150
140
140
140
140
100
100
100
95
Max
0.33
0.33
0.33
0.34
0.36
0.36
0.37
0.39
0.39
0.40
0.40
0.44
0.47
0.54
0.58
0.61
0.44
0.47
0.50
0.51
0.53
0.56
0.59
0.54
0.58
73F104AF-RC
73F124AF-RC
73F154AF-RC
73F184AF-RC
73F224AF-RC
73F274AF-RC
73F334AF-RC
73F394AF-RC
73F474AF-RC
73F564AF-RC
73F684AF-RC
73F824AF-RC
73F103AF-RC
73F123AF-RC
73F153AF-RC
73F183AF-RC
73F223AF-RC
73F273AF-RC
73F333AF-RC
73F393AF-RC
73F473AF-RC
73F563AF-RC
73F683AF-RC
73F823AF-RC
73F102AF-RC
• Varnish coated
• Operating temperature -55 to +105 °C
Notes
* Current to cause 35 °C max. temperature rise
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10,000
† RoHS Directive 2002/95/EC Jan 27 2003
including Annex.
7.8
8.8
11.0
12.0
13.5
15.1
18.0
21.5
25.0
29.0
30.0
34.0
95
95
95
70
80
80
80
1.50
0.625
65
“-RC” suffix indicates RoHS compliance.
A
0.032
Dimensions: Inches
Tel. (877) 426-8767 • Fax (951) 781-5006
20.5
www.bourns.com
REV. 06/07