IMPERIAL STANDARS

Mechanical Tolerances (Conforms to EIA Standard RS-217)

  • Exterior dimensions A and B are held to maximum tolerance only to insure overall enclosure fit.
  • Dimensions D and E are held to  ± tolerance to insure magnetic qualities under all applications.
  • Window dimensions F and G are held to a minimum tolerance only to insure coil fit.
  • Dimensions K and R are reference dimensions only.

measurment:

  • Dimension D is measured by caliper at any point on either core half.
  • Dimension E is measured at the butt joint.
  • Dimensions F and G are measured at the shortest point but at least twice the radius R from the edge of the window.

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