GS8000 Datasheet, PDF (3/4 Pages) Gennum Corporation – DVI / HDMI Extender

For use as an EMI Gasketing Material, we recommend compressing
the GS8000 material to at least the published recommended
compression stop to ensure an effective EMI seal (see Table 4).
Table 4: Shielding Effectiveness¹
Variants
Recommended
Compression Stop
mm (in)
Pressure
to Achieve
Compression
(psi)
Shielding
Effectiveness¹
High 0.30 (0.012)
50
GS8000-03X
Low 0.15 (0.006)
325
> 50 dB
> 65 dB
High 0.60 (0.024)
15
GS8000-063
Low 0.30 (0.012)
95
> 90 dB
> 100 dB
High 0.85 (0.033)
20
GS8000-095
Low 0.50 (0.020)
100
> 85 dB
> 95 dB
High 1.40 (0.055)
5
GS8000-126
Low 0.60 (0.024)
75
> 75 dB
> 95 dB
1 _{All measurements made using ARP-1705 modified test method through 3 GHz on}
2 mm trace width
Figure 3: GS8000-03X Force Displacement Resistance
(testing with 5 x 5 mm grounding pads)
0.25
0.20
0.15
0.10
0.05
0.00
mm 0.45
in 0.018
0.40
0.016
0.35
0.30
0.25
0.014 0.012 0.10
Compressed Gap
350
300
250
200
150
100
50
0
0.20
0.15 mm
0.008 0.006 in
Pressure
DC Resistance
Figure 4: GS8000-063 Force Displacement Resistance
(testing with 5 x 5 mm grounding pads)
0.25
350
300
0.20
250
0.15
200
0.10
150
100
0.05
50
0.00
0
mm 0.9
0.8
0.7
0.6
0.5
0.4
0.3 mm
in 0.035 0.031 0.028 0.024 0.020 0.016 0.012 in
Compressed Gap
Pressure
DC Resistance
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