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Type SMTSOB™ - ReelFast® brass fasteners are ideal for applications which demand superior electrical/mechanical attachment points.

Packaged on 330 mm recyclable reels. Tape width is 24 mm. Supplied with polyimide patch for vacuum pick up. Reels conform to EIA-481.
Unit of Measure

Thread Size x Pitch

 N/A M2 x 0.4

Thread Code

 N/A M2

Length Code

 N/A 4

L - Length ± 0.13

 N/A 4 mm a1309.jpg

Min. Sheet Thickness

 N/A 1.53 mm

A Max.

 N/A 1.53 mm

C Max.

 N/A 3.6 mm

E ± 0.13

 N/A 5.56 mm

øH - Hole Size in Sheet + 0.08

 N/A 3.73 mm

øD - Min. Solder Pad

 N/A 6.2 mm

Parts per Reel

 N/A 900

Pitch

 N/A 12 mm

For Use In

 N/A P.C. Board

Thread Specification

 N/A Internal, ASME B1.13M, 6H

Fastener Material

 N/A Brass
Standard Finish1 N/A Electro-Plated Tin, ASTM B 545, Class A with Clear Preservative Coating, annealed

CAD Supplier

 N/A PennEngineering® (PEM®)
  • 1 The tin deposit on type SMTSOB meets the requirements of ASTM B545, Class A and although the copper and nickel barrier layers used under the tin do not strictly comply with ASTM B545 thickness requirements they have proven effective at preventing zinc migration and providing the specified solderable shelf life.