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FERROXCUBE
DATA SHEET
Wideband chokes
EMI-suppression products
Supersedes data of September 2004 2008 Sep 01
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Ferroxcube
EMI-suppression products Wideband chokes
WIDEBAND CHOKES FOR EMI-SUPPRESSION
General data WBC1.5/A
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, P a r t 2, Te s t Ta ,
method 1
handbook, 4 columns
Dimensions in mm.
40 ±5 40 ±5
∅0.6
Grades, parameters and type numbers; see Fig.1
GRADE
3S4 1.5 ≥300 120 WBC1.5/A-3S4
4B1 1.5 ≥350 250 WBC1.5/A-4B1
4S2 1.5 213
Note
1. Minimum guaranteed impedance is Z
2. Also available with insulated
≤ 14
Fig.1 WBC1.5/A.
No. OF
TURNS
|Z
|at f
typ
(Ω)(MHz)
(1)
10 WBC1.5/A-4S2
(1)
400
470
610
CBW211
50
(1)
100
TYPE NUMBER
−20%.
typ
General data WBC1.5/1.5/A
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, P a r t 2, Te s t Ta ,
method 1
handbook, 4 columns
Dimensions in mm.
40 ±5 40 ±5
∅0.6
≤14
Grades, parameters and type numbers; see Fig.2
|Z
| at f
GRADE
No. OF
TURNS
3S4 2 × 1.5 ≥700
4B1 2 × 1.5 ≥800
4S2 2 × 1.5 213
4A15 2 × 1.5 1000 50 WBC1.5/1.5/A-4A15
Notes
1. Z measured with both windings connected in series.
2. Minimum guaranteed impedance is Z
with one winding.
typ
(Ω)(MHz)
(1)
50 WBC1.5/1.5/A-3S4
(1)
110 WBC1.5/1.5/A-4B1
(2)
10 WBC1.5/1.5/A-4S2
(2)
400
470
1000 180
610
CBW212
50
(2)
100
TYPE NUMBER
−20%; measured
typ
Fig.2 WBC1.5/1.5/A.
2008 Sep 01 1468
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Ferroxcube
EMI-suppression products Wideband chokes
General data WBC2/R Grades, parameters and type numbers; see Fig.3
(1)
|Z
|
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, P a r t 2, Te s t Ta ,
method 1
GRADE
4S2 2 300 10 WBC2/R-4S2
4A15 2 ≥730 50 WBC2/R-4A15
Note
1. Minimum guaranteed impedance is Z
No. OF
TURNS
(Ω)(MHz)
650 50
600 100
≥750 180
typ
at f
TYPE NUMBER
−20%.
typ
10
≤ 14
Dimensions in mm.
40 ±5
∅ 0.6
6
CBW377
Fig.3 WBC2/R.
General data WBC2.5/A Grades, parameters and type numbers; see Fig.4
|Z
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, P a r t 2, Te s t Ta ,
method 1
GRADE
3S4 2.5 ≥600 50 WBC2.5/A-3S4
4B1 2.5 ≥700 180 WBC2.5/A-4B1
4S2 2.5 400
4A15 2.5 800 50 WBC2.5/A-4A15
Note
1. Minimum guaranteed impedance is Z
2. Also available with insulated wires, sleeves, encapsulated and
No. OF
TURNS
taped and reeled.
| at f
typ
(Ω)(MHz)
(1)
10 WBC2.5/A-4S2
(1)
850
725
820 180
50
(1)
100
TYPE NUMBER
(2)
(2)
−20%.
typ
Dimensions in mm.
handbook, 4 columns
0.6O
40 5 40 5
14
610
MGC279
Fig.4 WBC2.5/A.
2008 Sep 01 1469
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Ferroxcube
EMI-suppression products Wideband chokes
General data WBC2.5/R Grades, parameters and type numbers; see Fig.5
|Z
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, Part 2, Test Ta,
method 1
GRADE
No. OF
TURNS
3S4 2.5 ≥600 50
4B1 2.5 ≥700 75 WBC2.5/R-4B1
4S2 2.5 400 10
Note
1. Also available with insulated wires, sleeves and moulded.
2. Also available with insulated wires, sleeves.
610
| at f
typ
(Ω)(MHz)
850 50
725 100
TYPE NUMBER
WBC2.5/R-3S4
WBC2.5/R-4S2
(1)
(
2)
2
4
0
Dimensions in mm.
12.5 1
MGC282
2.5≤ 13.5
0.6O
Fig.5 WBC2.5/R.
General data WBC2.5/SP Grades, parameters and type numbers; see Fig.6
|Z
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Support polyamide (PA6.6) plate to allow
mounting across circuit tracks; flame
retardant in accordance with UL 94V-0
Solderability “IEC 60068-2-20”, P a r t 2 , Te s t Ta,
GRADE
note 1
No. OF
TURNS
3S4 2.5 ≥600 50
4B1 2.5 ≥700 75
Note
1. Colour code 3S4 = blue, 4B1 = green.
| at f
typ
(Ω)(MHz)
TYPE NUMBER
WBC2.5/SP-3S4
WBC2.5/SP-4B1
method 1
handbook, 4 columns
2
2.5
MGC284
0
Dimensions in mm.
0.6
O
12.5 1
2.5 1
Fig.6 WBC2.5/SP.
2008 Sep 01 1470
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Ferroxcube
EMI-suppression products Wideband chokes
General data WBC3/R Grades, parameters and type numbers; see Fig.7
|Z
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, P a r t 2 , Te s t Ta,
method 1
GRADE
No. OF
TURNS
3S4 3 ≥650 63 WBC3/R-3S4
4B1 3 ≥800 110 WBC3/R-4B1
4S2 3 500
4A15 3 ≥1000 50 WBC3/R-4A15
| at f
typ
(Ω)(MHz)
(1)
10 WBC3/R-4S2
(1)
1000
688
≥1000 180
50
(1)
100
TYPE NUMBER
(
2)
(
2)
Dimensions in mm.
handbook, 4 columns
10 ≥ 20
≤ 14
Fig.7 WBC3/R.
Note
1. Minimum guaranteed impedance is Z
2. Also available with encapsulation and/or taped and reeled.
6
O
3.5
0.6
MGC287
typ
−20%.
2008 Sep 01 1471
Page 6
Ferroxcube
EMI-suppression products Wideband chokes
DATA SHEET STATUS DEFINITIONS
DATA SHEET
STATUS
Preliminary
specification
Product specification Production This data sheet contains final specifications. Ferroxcube reserves the right
DISCLAIMER
Life support applications These products are not designed for use in life support appliances, devices, or systems
where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers
using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube
for any damages resulting from such application.
PRODUCT STATUS DEFINITIONS
STATUS INDICATION DEFINITION
Prototype
Design-in These products are recommended for new designs.
Preferred
Support
PRODUCT
STATUS
Development This data sheet contains preliminary data. Ferroxcube reserves the right to
make changes at any time without notice in order to improve design and
supply the best possible product.
to make changes at any time without notice in order to improve design and
supply the best possible product.
These are products that have been made as development samples for the purposes of
technical evaluation only. The data for these types is provisional and is subject to
change.
These products are recommended for use in current designs and are available via our
sales channels.
These products are not recommended for new designs and may not be available
through all of our sales channels. Customers are advised to check for availability.
DEFINITIONS
2008 Sep 01 1472
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