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MFK Emerson Industries | 630-516-1230
A joint partnership of MFK Enterprises & Emerson Industries
How to Read Product Numbers

Typical MFK Part Number:


MFK Part Number Ordering Code

SP = Square Plain Unterminated Bobbbins
RP = Rectangular Palin Unterminated Bobbins
V = Vertical Mount
H = Horizontal Mount
  1. V = Diretion of Mount to the Assembly
    • V = Vertical Mount
    • H = Horizontal Mount
  2. 187 = Lamination or Core Size
  3. -1 = Number of Winding Sections
    • -1 Single Winding Section
    • -2 Denotes Center Flange (2 Winding Sections)
  4. -RY = Molding Material desired to meet your specific application requirements