Ferroxcube
E cores and accessories
COIL FORMERS
General data for E55/28/21 coil former without pins
PARAMETER
Coil former material
Maximum operating temperature
SPECIFICATION
E55/28/21
polyamide (PA6.6), glass reinforced, flame retardant in accordance with
“UL 94-HB”;
UL file number E41613(M)
130 C,
“IEC 60085”,
class B
3 0.1
(5 )
handbook, full pagewidth
2 0.1
(6 )
5 0.1
20 0
0.2
21.7
0.2
0
0
0 23.8 0.2 43.5 0.2
1 0.1
0.2
17.6
0
24.2 0.2
0
37
0.2
CBW064
33.2 0.2
0
35.7 0.1
38.8 0.2
Dimensions in mm.
Fig.2 E55/28/21 coil former (E).
Winding data for E55/28/21 coil former without pins (E)
NUMBER OF
SECTIONS
1
MINIMUM
WINDING
AREA
(mm
2
)
250
MINIMUM
WINDING
WIDTH
(mm)
33.2
AVERAGE
LENGTH OF
TURN
(mm)
116
TYPE NUMBER
CP-E55/28/21-1S
FERROXCUBE [ FERROXCUBE INTERNATIONAL HOLDING B.V. ]
