RoHS
WFB
0.093±0.005
(2.36±0.13)
Wound Ferrite Beads
0.130±0.005
(3.30±0.13)
0.093±0.005
(2.36±0.13)
0.393±0.02
(9.98±0.51)
0.236±0.02
(5.99±0.51)
Dimensions:
Inches
(mm)
1.5 NOMINAL
0.590±0.02
(14.99±0.51)
1.5 NOMINAL
24AWG
1
2
Figure #
3
4
5
1.5
Turn
2.0
Turn
2.5
Turn
3.0
Turn
1.5
Turn
Twice
Allied
Part
Number
Core
Material
Number
of Turns
Impedance
Ohms
Min.
Frequency
(MHz)
Fig #
The
WFB Series
Wide Band Chokes are 6
hole, ferrite beads with 1.5, 2.0, 2.5, 2 x 1.5 or
3.0 turns of tinned copper wire. They are ideal
for interference suppression in a variety of
applications where broad band characteristics
are required.
WFB-1.5-281-1-RC
WFB-1.5-301-2-RC
WFB-1.5-361-3-RC
WFB-2.0-401-1-RC
WFB-2.0-481-2-RC
WFB-2.0-601-3-RC
WFB-2.5-601-1-RC
1
2
3
1
2
3
1
2
3
1
2
3
Y7
N
1
2
3
1 1/2
1 1/2
1 1/2
2.0
2.0
2.0
2 1/2
2 1/2
2 1/2
3.0
3.0
3.0
3.0
3.0
2 x 1 1/2
2 x 1 1/2
2 x 1 1/2
280
300
360
400
480
600
600
600
680
680
680
600
800
800
600*
600*
560*
120
180
250
50
100
180
50
100
180
50
100
180
100
100
50
100
180
1
1
1
2
2
2
3
3
3
4
4
4
4
4
5
5
5
Wide Band Chokes are essentially resistive
with flat impedance matching characteristics
above 60 MHz. When used with small ceramic
capacitors, self resonance provides additional
attenuation.
WFB-2.5-601-2-RC
WFB-2.5-681-3-RC
WFB-3.0-681-1-RC
WFB-3.0-681-2-RC
WFB-3.0-601-3-RC
WFB-3.0-801-Y7-RC
Physical
Packaging:
500 pieces per bag.
8000 pieces per box.
WFB-3.0-801-N-RC
WFB-2 x 1.5-601-1-RC
WFB-2 x 1.5-601-2-RC
WFB-2 x 1.5-561-3-RC
*Measured with the two 1 1/2 turn windings in series. All specifications subject to change
without notice.
714-665-1140
ALLIED COMPONENTS INTERNATIONAL
REVISED 10/07/10
www.alliedcomponents.com
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