DATA SHEET
Supersedes data of September 2004 2008 Sep 01
FERROXCUBE
Wideband chokes
EMI-suppression products
2008 Sep 01 1468
Ferroxcube
EMI-suppression products Wideband chokes
WIDEBAND CHOKES FOR EMI-SUPPRESSION
General data WBC1.5/A
Grades, parameters and type numbers; see Fig.1
Note
1. Minimum guaranteed impedance is Ztyp −20%.
2. Also available with insulated
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, Pa r t 2 , Te s t Ta ,
method 1
GRADE No. OF
TURNS
|Ztyp|at f TYPE NUMBER
(Ω)(MHz)
3S4 1.5 ≥300 120 WBC1.5/A-3S4
4B1 1.5 ≥350 250 WBC1.5/A-4B1
4S2 1.5 213(1) 10 WBC1.5/A-4S2
400(1) 50
470(1) 100
Fig.1 WBC1.5/A.
Dimensions in mm.
handbook, 4 columns
CBW211
610
≤ 14
∅0.6
40 ±5 40 ±5
General data WBC1.5/1.5/A
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, Pa r t 2 , Te s t Ta ,
method 1
Grades, parameters and type numbers; see Fig.2
Notes
1. Z measured with both windings connected in series.
2. Minimum guaranteed impedance is Ztyp −20%; measured
with one winding.
GRADE No. OF
TURNS
|Ztyp| at f TYPE NUMBER
(Ω)(MHz)
3S4 2 ×1.5 ≥700(1) 50 WBC1.5/1.5/A-3S4
4B1 2 ×1.5 ≥800(1) 110 WBC1.5/1.5/A-4B1
4S2 2 ×1.5 213(2) 10 WBC1.5/1.5/A-4S2
400(2) 50
470(2) 100
4A15 2 ×1.5 1000 50 WBC1.5/1.5/A-4A15
1000 180
Fig.2 WBC1.5/1.5/A.
Dimensions in mm.
handbook, 4 columns
CBW212
610
≤14
∅0.6
40 ±5 40 ±5
2008 Sep 01 1469
Ferroxcube
EMI-suppression products Wideband chokes
General data WBC2/R Grades, parameters and type numbers; see Fig.3
Note
1. Minimum guaranteed impedance is Ztyp −20%.
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, Pa r t 2 , Te s t Ta ,
method 1
GRADE No. OF
TURNS
|Ztyp|(1) at f TYPE NUMBER
(Ω)(MHz)
4S2 2 300 10 WBC2/R-4S2
650 50
600 100
4A15 2 ≥730 50 WBC2/R-4A15
≥750 180
CBW377
6
10
≤ 14
40 ±5
∅ 0.6
Fig.3 WBC2/R.
Dimensions in mm.
General data WBC2.5/A Grades, parameters and type numbers; see Fig.4
Note
1. Minimum guaranteed impedance is Ztyp −20%.
2. Also available with insulated wires, sleeves, encapsulated and
taped and reeled.
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, Pa r t 2 , Te s t Ta ,
method 1
GRADE No. OF
TURNS
|Ztyp| at f TYPE NUMBER
(Ω)(MHz)
3S4 2.5 ≥600 50 WBC2.5/A-3S4(2)
4B1 2.5 ≥700 180 WBC2.5/A-4B1(2)
4S2 2.5 400(1) 10 WBC2.5/A-4S2
850(1) 50
725(1) 100
4A15 2.5 800 50 WBC2.5/A-4A15
820 180
Fig.4 WBC2.5/A.
Dimensions in mm.
handbook, 4 columns
MGC279
610
14
0.6O
40 5 40 5
2008 Sep 01 1470
Ferroxcube
EMI-suppression products Wideband chokes
General data WBC2.5/R Grades, parameters and type numbers; see Fig.5
Note
1. Also available with insulated wires, sleeves and moulded.
2. Also available with insulated wires, sleeves.
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, Part 2, Test Ta,
method 1
GRADE No. OF
TURNS
|Ztyp| at f TYPE NUMBER
(Ω)(MHz)
3S4 2.5 ≥600 50 WBC2.5/R-3S4(1)
4B1 2.5 ≥700 75 WBC2.5/R-4B1(2)
4S2 2.5 400 10 WBC2.5/R-4S2
850 50
725 100
MGC282
42
0
12.5 1
610
0.6O
2.5≤ 13.5
Fig.5 WBC2.5/R.
Dimensions in mm.
General data WBC2.5/SP Grades, parameters and type numbers; see Fig.6
Note
1. Colour code 3S4 = blue, 4B1 = green.
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”, Pa r t 2 , Te s t Ta ,
method 1
GRADE
note 1
No. OF
TURNS
|Ztyp| at f TYPE NUMBER
(Ω)(MHz)
3S4 2.5 ≥600 50 WBC2.5/SP-3S4
4B1 2.5 ≥700 75 WBC2.5/SP-4B1
handbook, 4 columns
;;
;;
;
;
MGC284
2.5 2
0
12.5 1
2.5 1
O0.6
Fig.6 WBC2.5/SP.
Dimensions in mm.
2008 Sep 01 1471
Ferroxcube
EMI-suppression products Wideband chokes
General data WBC3/R Grades, parameters and type numbers; see Fig.7
Note
1. Minimum guaranteed impedance is Ztyp −20%.
2. Also available with encapsulation and/or taped and reeled.
ITEM SPECIFICATION
Wire material copper (Cu), tin (Sn) plated
Solderability “IEC 60068-2-20”, Pa r t 2 , Te s t Ta ,
method 1
GRADE No. OF
TURNS
|Ztyp| at f TYPE NUMBER
(Ω)(MHz)
3S4 3 ≥650 63 WBC3/R-3S4(2)
4B1 3 ≥800 110 WBC3/R-4B1(2)
4S2 3 500(1) 10 WBC3/R-4S2
1000(1) 50
688(1) 100
4A15 3 ≥1000 50 WBC3/R-4A15
≥1000 180
Fig.7 WBC3/R.
Dimensions in mm.
handbook, 4 columns
MGC287
10 ≥ 20
≤ 14
6
O0.6
3.5
2008 Sep 01 1472
Ferroxcube
EMI-suppression products Wideband chokes
DATA SHEET STATUS DEFINITIONS
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
DATA SHEET
STATUS
PRODUCT
STATUS DEFINITIONS
Preliminary
specification
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.
Product specification Production This data sheet contains final specifications. Ferroxcube reserves the right
to make changes at any time without notice in order to improve design and
supply the best possible product.
STATUS INDICATION DEFINITION
Prototype
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.
Design-in These products are recommended for new designs.
Preferred These products are recommended for use in current designs and are available via our
sales channels.
Support 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.
