한다 플렉시 쉴드
Handa’s Flexi-Shield gasket offers the best of both worlds. This gasket combines the EMI shielding performance of our other spiral gaskets with the ain/wind/dust sealing of an elastomer. special process wraps our highly conductive spiral around a soft silicone tube.
This leads to gaskets that are highly manageable, robust enough for demanding sliding applications, require as little as two pounds of closure force per inch, and provide moderate to high shielding based on the chosen materials.
Product Specs
Recommended Groove Size
The following is a drawing for size reference.
* We can customize the width, thickness, and outer diameter of the strip according to your needs.
| Spiral-shield part numbers (RoHs Tin plated beryllium copper) | Groove Size [mm] | |||||
|---|---|---|---|---|---|---|
| Diameter OD(mm) | Standard Force(“S” Series) | Medium Force(“M” Series) | Low Force(“L” Series) | Depth(L) +0.05 /-0 (mm) | Width(G) +0.18 / -0.13 (mm) | Width(W) +0 / -0.05 (mm) |
| 0.86 ± 0.05 | HDS-SSNS-086AH | HDS-MSNS-086AH | HDS-LSNS-086AH | 0.58 | 1.17 | 0.84 |
| 1.19 ± 0.05 | HDS-SSNS-119AH | HDS-MSNS-119AH | HDS-LSNS-119AH | 0.89 | 1.60 | 1.14 |
| 1.60 ± 0.08 | HDS-SSNS-160AH | HDS-MSNS-160AH | HDS-LSNS-160AH | 1.17 | 2.39 | 1.52 |
| 1.78 ± 0.08 | HDS-SSNS-178AH | HDS-MSNS-178AH | HDS-LSNS-178AH | 1.35 | 2.39 | 1.70 |
| 1.98 ± 0.08 | HDS-SSNS-198AH | HDS-MSNS-198AH | HDS-LSNS-198AH | 1.50 | 2.77 | 1.91 |
| 2.39 ± 0.10 | HDS-SSNS-239AH | HDS-MSNS-239AH | HDS-LSNS-239AH | 1.78 | 3.18 | 2.29 |
| 2.62 ± 0.10 | HDS-SSNS-262AH | HDS-MSNS-262AH | HDS-LSNS-262AH | 1.96 | 3.58 | 2.51 |
| 2.77 ± 0.10 | HDS-SSNS-277AH | HDS-MSNS-277AH | HDS-LSNS-277AH | 2.08 | 3.96 | 2.67 |
| 3.18 ± 0.10 | HDS-SSNS-318AH | HDS-MSNS-318AH | HDS-LSNS-318AH | 2.39 | 4.34 | 3.07 |
| 3.53 ± 0.13 | HDS-SSNS-353AH | HDS-MSNS-353AH | HDS-LSNS-353AH | 2.64 | 4.75 | 3.40 |
| 3.58 ± 0.13 | HDS-SSNS-358AH | HDS-MSNS-358AH | HDS-LSNS-358AH | 2.67 | 4.75 | 3.45 |
| 4.37 ± 0.13 | HDS-SSNS-437AH | HDS-MSNS-437AH | HDS-LSNS-437AH | 3.25 | 5.94 | 4.19 |
| 4.75 ± 0.15 | HDS-SSNS-475AH | HDS-MSNS-475AH | HDS-LSNS-475AH | 3.56 | 6.35 | 4.60 |
| 6.35 ± 0.18 | HDS-SSNS-635AH | HDS-MSNS-635AH | HDS-LSNS-635AH | 4.70 | 8.71 | 6.10 |
| 7.92 ± 0.23 | HDS-SSNS-792AH | HDS-MSNS-792AH | HDS-LSNS-792AH | 5.94 | 10.72 | 7.62 |
| 9.53 ± 0.28 | HDS-SSNS-953AH | HDS-MSNS-953AH | HDS-LSNS-953AH | 7.11 | 12.70 | 9.25 |
| 12.70 ± 0.38 | HDS-SSNS-1270AH | HDS-MSNS-1270AH | HDS-LSNS-1270AH | 9.53 | 16.66 | 12.32 |
Available options
Plating
Optional plating can be specified by adding a prefix to the reference:
SN : RoHS compliant nickle plating (Example : HDS-MSNS-178AH)
Special Tubing
Possibility of including a specific core (as far as possible according to the sizes).
W: Cordless,
A: Silicone rubber solid,
T: Silicone rubber tube,
F: Silicone foam
Application
Thanks to the silicone tube present in the center of the spiral, this gasket is also against water, dust and air ingress, as an sealing elastomer seal. It therefore combines the advantages of a shielding gasket with those of a sealing gasket, and for a limited cost.
Material
Spiral: Stainless steel (tin plating optional).
Inner Tubing: 40 ± 5 durometer silicone.
Shielding Performance
We offer stainless steel for moderate shielding quality, and optional tin plating for higher shielding levels. All shielding quality results are based on tests against tin-plated joint surfaces. The shielding quality may vary depending on your specific application.
Stainless Steel (All Forces): 100 dB at 1 GHz
Low Force Tin-Plated Gaskets: 120 dB at 1 GHz
Moderate and Standard Force Tin-Plated Gaskets: 130 dB at 1 GHz
Compression Force
Flexi-Shield gaskets come in three different resilience (as shown below). Optimal compression of the gasket is 25% of the diameter of the spiral. Since the force to compress the gasket is a function of the cube of the thickness of the stainless steel ribbon, the compression forces shown are approximate.
Standard Force: 5.5 kg/cm
Moderate Force: 1.8 kg/cm
Low Force: 0.4 kg/cm
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