5500 washer, cylinder and springs

RF shielded racks

EMI shielding metal racks and enclosures

Standard Nickel-graphite conductive rubber are used for EMI applications. The rubber is made conductive by incorporating small conductive metal particles throughout the material. It can provide an EMI-proof and watertight seal in narrow constructions. But they are also useful for EMP protection, wave-guide applications and against static electricity.

When in need of high deflection and low closure force we make conductive foams. The material will return to almost its original height when released. The foam is covered with a layer of conductive polyurethane to protect it from environmental influences and to prevent burrs when cutting. Its conductivity is excellent in all directions (X, Y, and Z). Conductive foam is fire retardant as well as RoHS compliant.


Technical data

Item Data
Thickness (mm) 1, 2, 2.2 or 3.4
(other sizes on request)
Color Grey
Adhesive strength (gf/25mm) >1.000
Holding strength (sec) >3.600
Surface resistance (Ω/sq) 0.2
Surface resistance (Ω/in) 1.0 max
Volume resistance (Ω/sq) 0.2
Top-bottom resistance (Ω/in) 1.0 max
RoHS Compliant
Fire retardant (cm/min) Pass

Benefits

  • Any size in a few day’s
  • Custom parts
  • Small packing of 10 pieces each
  • High temperature up to 220 °C
  • Easy to mount
  • Water tight constructions
  • High deflection foam

Options

  • Available in different thicknesses
  • Low compression force
  • Rubber with silver particles

Temperature resistance

Temperature resistance depends on the core material of the metal knit EMI/RFI gasket; ranges from -60 °C up to 220 °C are possible. These Metal knit EMI/RFI gaskets are insensitive to external influences and can withstand harsh conditions very well.


5500 washer, cylinder and springs
Example of the 5500 Vertical ground spring on a PCB
5500 washer, cylinder and springs
examples of 5500 Electrically conductive rubber
5500 washer, cylinder and springs grounding spring
Example of the 5500 Ground spring on a PCB

Stock dimensions

5500-C Cylinder

5500 washer, cylinder and springs C-Cylinder
d (mm) Available in thickness 1-1,5-2-3-4mm.
Other dimensions on request
2 16
3 18
4 20
5 22
6 24
8 26
10 28
12 30
14 32

Other dimensions on request. Packed in bags of 10 pieces

5500-R Washer/Ring

5500 washer, cylinder and springs C-Cylinder
d1xd2 Available in thickness 1-1,5-2-3-4mm,
other thicknesses on request
2 x 5 16 x 32
3 x 7 18 x 36
4 x 9 20 x 40
5 x 10 22 x 44
6 x 12 24 x 48
8 x 16 26 x 52
10 x 20 28 x 56
12 x 24 30 x 60
14 x 28 32 x 64

Other dimensions on request. Packed in bags of 10 pieces


5500-OR Oval-ring, thickness: 2-3-4 mm


5500 washer, cylinder and springs OV-Cylinder
d1 d2 L
2 5 10-15-20-25-30-35
3 7 15-20-25-30-35-40
4 9 20-25-30-35-40-45

Other dimensions on request. Packed in bags of 10 pieces

5500-GS Grounding Spring, thickness: 2-3-4 mm, electrical resistance 10-50Ω

5500 washer, cylinder and springs GS-Ground springs
d1 d2 L
2 5 10-15-20-25-30-35
3 7 15-20-25-30-35-40
4 9 20-25-30-35-40-45

Other dimensions on request. Packed in bags of 10 pieces


5500-VGS Vertical Grounding Spring, thickness: 2-3-4 mm, electrical resistance 10-50Ω

5500 washer, cylinder and springs Vertical grounding springs
S D L
2 2-3-4 10-15-20-25-30-35
3 2-3-4 15-20-25-30-35-40
4 2-3-4 20-25-30-35-40-45

Other dimensions on request. Packed in bags of 10 pieces

 

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