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  • No hole required to solder fastener to PC Board
  • Allows for copper traces to run under the fastener which better utilizes space on the board
  • Enhanced performance due to cutout that allows for localized heat up of the area in contact withthe solder.
Unit of Measure

Thread Size

 .112-40 (#4-40)

Thread Code

 440

Length Code

 6

L - Length ± .005

 .187 in
Type-SMTBSO_Dim.jpg

E ± .005

 .219 in

øD - Min. Solder Pad

 .244 in

F Min.

 .125 in

Parts per Reel

 900

For Use In

 P.C. Board

Thread Specification

 Internal, ASME B1.1, 2B

Fastener Material

 Lead-Free Carbon Steel

Standard Finish

 Electro-Plated Tin, ASTM B 545, Class A with Clear Preservative Coating, annealed

CAD Supplier

 PennEngineering® (PEM®)

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