Ferrites and accessories
Toroids (ring cores) accessories
General information
Series/Type:
Date:
B64293, B64291, B64292
May 2017
EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS’ prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Toroids (ring cores) accessories
General information
Toroids (ring cores) accessories
Examples of final applications of ring core accessories
Application of ring core housings – horizontal / vertical version
Application of ring core base plate
Epoxy coated ring cores and accessories is ideal combination for current-compensated chokes.
Combination of various wire diameters and hole/pin arrangement offer many alternatives of appli-
cation.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
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Toroids (ring cores) accessories
Base plate for ring cores
Base plate for ring cores
Material:
GFR polycarbonate UL94 V-0
Makrolon 9415 [E41613], color code blue, COVESTRO AG
Ordering code
Hole diameter d
mm
1.1
1.4
1.7
2.9
2.1
Lead spacing
mm
22.86
×
15.24
22.86
×
15.24
see picture
see picture
see picture
Holes
4
4
8
6
6
B64293A1000X000
B64293A1100X000
B64293A1200X000
1)
B64293A1300X000
2)
B64293A1400X000
2)
B64293
Base plate
Figure
a
b
c
Dimensions
mm
40.4
×
20.5
40.4
×
20.5
∅
47.8
∅
64.0
∅
64.0
1) Combination with ring core housing B64291A1704X000
2) Hole diameter 1.0 … 3.1 mm possible
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
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Toroids (ring cores) accessories
Base plate for ring cores
Figure a
Figure b
*)
B64293
*) Combination with ring core housing B64291A1704X000
Figure c
Tolerances to ISO 2768-C unless otherwise noted.
Dimensions in mm.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
5/17
Toroids (ring cores) accessories
Housings for ring cores
Housings for ring cores – horizontal version
Material:
B64291A: GFR polycarbonate UL94 V-0
Makrolon 9415 [E41613], color code blue, COVESTRO AG
B64291B: GFR liquid crystal polymer UL94 V-0
Vectra E130i [E83005], color code natural, CELANESE INTERNATIONAL CORP.
Solderability (lead-free): to IEC 60068-2-20, test Ta, + 245
±
5 °C, 3 ± 0.3 s
Resistance to soldering heat (wave soldering): to IEC 60068-2-20, test Tb, + 260
±
5 °C, 10
±
1 s
Housings – horizontal version
Figure
a
b
c
d
e
f
g
h
i
j
Inner diameter d
i
mm
11.6
12.0
20.4
26.0
30.0
30.0
39.3
39.3
48.0
70.6
Height
mm
9.6
8.0
13.3
16.8
19.7
25.0
25.0
30.0
32.0
39.1
Lead spacing
mm
10
×
10
see picture
20
×
12.5
25
×
15
30
×
20
30
×
20
15
×
40
15
×
40
–
–
Pins
4
8
4
4
4
4
4
4
–
–
B64291A1004X000
B64291B1008X000
B64291A1104X000
B64291A1204X000
B64291A1304X000
B64291A1404X000
B64291A1504X000
B64291A1604X000
B64291A1704X000
1)
B64291A1804X000
Ordering code
B64291
1) Combination with base plate B64293A1200X000
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
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