Wide Band Chokes - Axial
ctparts.com
CTWB Series
From 1.5T’s to 2x1.5T’s
Part
Number
CTWB_-1.5
CTWB_-1.5-S
CTWB_-2x1.5
CTWB_-2x1.5-S
Not shown at actual size.
CTWB_-2.0
CTWB_-2.0-S
CTWB_-2.5
CTWB_-2.5-S
CTWB_-3.0
CTWB_-3.0-S
SPECIFICATIONS
The "-S" suffix denotes the "secondary bead" material available.
CTWBF
Please specify “F” for RoHS compliant
Impedance
@ 100 MHz
Min.
Ω
(Ω)
375
400
375
400
480
600
580
675
550
1140
Lead
Wire
Size
(AWG)
24
24
24
24
24
24
24
24
24
24
Refer
to
Figure
#
1
1
5
5
2
2
3
3
4
4
Wire
Length
(inches)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
Number
of
Turns
1.5
1.5
2x1.5
2x1.5
2
2
2.5
2.5
3
3
Ω
MINIMUM IMPEDANCE (Ω)
Figure #
1
2
10 MHz
170
240
320
400
170
Bead Material
50 MHz
100 MHz
320
520
680
800
320
375
480
580
550
375
“Secondary Bead” Material
50 MHZ
100 MHz
200 MHz
250
425
550
1000
250
400
600
675
1140
400
325
300
275
800
325
Compliant
Available
RoHS
3
4
5
CHARACTERISTICS
Description:
Wide-band wire-wound beads
Applications:
Used for EMI and RA filtering applications. Also
used in RF circuits to subdue “parasitic oscillation” at VHF
and UHF
Testing:
Impedance is tested on an HP4287A at 100 MHz
Miscellaneous:
RoHS Compliant available.
Additional Information:
Additional electrical & physical
information available upon request
Samples available. See website for ordering information.
Fig. 1
CTWB-1.5
CTWB-1.5-S
WINDING PATTERNS
Fig. 2
CTWB-2.0
CTWB-2.0-S
WIDE BAND CHOKE CORE
Size
mm
inches
A
6.0±0.25
0.236
B
0.75±0.15
0.032
C
10±0.25
0.394
D
3.5 Ref.
0.138
Fig. 3
CTWB-2.5
CTWB-2.5-S
Fig. 4
CTWB-3.0
CTWB-3.0-S
Fig. 5
CTWB-2x1.5
CTWB-2x1.5-S
01.10.07
Technologies
Manufacturer of Passive and Discrete Semiconductor Components
800-684-5322
Inside US
949-453-1811
Outside US
Copyright © 2007 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
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