Wide-Band Chokes
Special Features
Part
Number
• High impedance
• Excellent EMI suppression capability at
wide frequency range
• Low cost
• Differential & common mode configuration
• Operating / storage temperature: -40 to +105 °C
• Rated current: 5 A with 20 °C max. temperature rise
No. of
turns
FB20009-3B-RC
FB20019-4B-RC
FB20010-3B-RC
FB20020-4B-RC
FB20011-3B-RC
FB20021-4B-RC
FB20022-4B-RC
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
1 1/2
1 1/2
2 1/2
2 1/2
2 x 1 1/2
2 x 1 1/2
3
FB2000 Series
Z (Ω)
±25 %
@ 10MHz
250
160
520
30
265
160
640
Z (Ω)
±25 %
@ 100MHz
Fig.
440
450
780
330
430
460
900
A
A
B
B
C
C
D
“-RC” suffix indicates RoHS compliance.
0.138
0.236
45°
0.394
Core Dimension
0.024
0.55
Max.
1.5
Fig. A
Fig. B
Fig. C
Fig. D
Dimensions: Inches
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Specifications are subject to change without notice.
Users should verify actual device performance in their
specific applications. The products described herein and
this document are subject to specific legal disclaimers as
set forth on the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
Tel. (877) 426-8767 • Fax (951) 781-5006
www.bourns.com
14.1
Impedance vs. Frequency - Wide-Band Chokes
FB20019-4B-RC
600
Impedance (Ohms)
Impedance (Ohms)
FB20009-3B-RC
500
450
400
350
300
250
200
150
100
50
0
500
400
300
200
100
1
10
100
0
1000
1
10
Frequency (MHz)
800
700
700
Impedance (Ohms)
Impedance (Ohms)
800
600
500
400
300
200
1
10
100
600
500
400
300
200
100
0
1000
1
10
10
100
1000
FB20021-4B-RC
Impedance (Ohms)
Impedance (Ohms)
FB20011-3B-RC
1
100
Frequency (MHz)
Frequency (MHz)
500
450
400
350
300
250
200
150
100
50
0
1000
FB20020-4B-RC
FB20010-3B-RC
900
100
0
100
Frequency (MHz)
1000
600
550
500
450
400
350
300
250
200
150
100
50
0
1
Frequency (MHz)
10
100
1000
Frequency (MHz)
Impedance (Ohms)
FB20022-4B-RC
1000
900
800
700
600
500
400
300
200
100
0
1
10
100
1000
Frequency (MHz)
Tel. (877) 426-8767 • Fax (951) 781-5006
14.2
www.bourns.com
REV. 11/19
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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