Laminations for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials IEC 60740-2:1993 ED1
Specifies requirements for the minimum permeabilities of laminations made of silicon-iron and nickel-iron alloys as defined by the alloy classes C2, E1, E3 and E4 of IEC 60404-1.
Life cycle
NOW
PUBLISHED IEC 60740-2:1993 ED1 60.60
Standard published Jun 18, 1993