E-I 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-I cores do not, however, offer self-shielding. E-I 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)
Signal Distribution Transformers for communications.
Pulse Transformers
CORE DETAILS ::
Core Size
EI-4012
Core Base Material
MnZn
Core Le
76.8mm
Core Ae
148mm2
Mounting
Pin Through Hole
Package Height
mm (typ)
Package Length
mm (typ)
Package Width
mm (typ)
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