TDU Surface-Mount Spacers

Metric

Also Available in Inch

Features

  • Unthreaded spacers installed on p.c. boards at the same time and method as other surface-mount technology (SMT) components.
  • Reduce secondary handling of p.c. boards that may lead to potential damage.
  • Packaged on tape and reel consistent with standard automated SMT installation equipment.
  • Available in a variety of convenient hole diameters and lengths with custom sizes available by request.

General

Thru Hole Code Mating External Thread Sheet
Thru Hole Diameter +0.10 -0.08 1 Min. Thickness D Hole Size +0.08 -0.00 2 F Min. Solder Pad Dia. A Max. C Max. E ±0.13
3.10 3.10 M3 1.53 4.22 6.20 1.53 4.09 5.56
3.60 3.60 M3.5 1.53 5.41 7.77 1.53 5.28 7.14
4.20 4.20 M4 1.53 6.35 9.37 1.53 6.22 8.74

Length

Thru Hole Diameter L (Length) ±0.13
3.10 2 3 4 6 8 10
3.60 2 3 4 6 8 10
4.20 2 3 4 6 8 10

Material

Material Code Material Description Finish Description
BR Brass Electroplated Matte Tin per ASTM B545, Class A with Clear Preservative Coating, Annealed
ST Carbon Steel Electroplated Matte Tin per ASTM B545, Class A with Clear Preservative Coating, Annealed

Reel Data

Thru Hole Diameter Length
2 3 4 6 8 10
Parts per Reel/Pitch
3.10 1500/12 1000/12 900/12 650/12 375/16 300/16
3.60 1500/12 1000/12 900/12 650/12 375/16 300/16
4.20 1100/16 800/16 675/16 500/16 375/16 300/16

Apply solder paste to p.c. board pad. Place spacer by gripping end with polyimide patch. Solder spacer in place using surface-mount technology (SMT) practices.