E cores are less expensive as compared to other cores, and may have the advantages of simple bobbin winding plus easy assembly. Gang winding is possible for bobbins used with these cores. E cores do not, however, offer self-shielding. E cores are popular shapes due to their lower cost, ease of assembly and winding, and the ready availability of a variety of hardware.
TYPICAL CHARATERSTICS ::
Magnetics Shielding : External magnetic field generated due to exposed winding
Cost of Core : Low
Cost of Winding & Assembly : Low
Heat Dissipation : Very Good
Uniform Cross Section : Yes
APPLICATIONS ::
Switch Mode Power Supplies (SMPS)
Audio Transformers
Sensing Transformers
Pulse Transformers
Isolation Transformers
CORE DETAILS ::
Core Size
E/EF 42/21/20
Core Base Material
MnZn
Core Le
97mm
Core Ae
240mm2
Mounting
Pin Through Hole
Package Height
43mm (typ)
Package Length
46mm (typ)
Package Width
37mm (typ)
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