Handa Spiral Shield
Handa Spira-Shield patented spiral is the basis for all of our unique high shielding EMI gasketing solutions. The spiral is wound out of spring temper beryllium copper for excellent spring memory and compression set resistance.
The spiral is tin plated for superior conductivity and shielding properties. The edge plated version exhibits excellent corrosion resistance against aluminum when exposed to humid or salt-fog environments.
Custom Manufacturing
Custom Handa Spiral Shield
According to the customer’s usage environment, Handa Shielding provides drawings or dimensions and working conditions requirements for product customization. If necessary, please contact 2844694783@qq.com and a professional engineer will answer your questions. Thank you!
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] | |||||
|---|---|---|---|---|---|---|
| DiameterOD(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-SBN-086W | HDS-MBN-086W | HDS-LBN-086W | 0.58 | 1.17 | 0.84 |
| 1.19 ± 0.05 | HDS-SBN-119W | HDS-MBN-119W | HDS-LBN-119W | 0.89 | 1.60 | 1.14 |
| 1.60 ± 0.08 | HDS-SBN-160W | HDS-MBN-160W | HDS-LBN-160W | 1.17 | 2.39 | 1.52 |
| 1.78 ± 0.08 | HDS-SBN-178W | HDS-MBN-178W | HDS-LBN-178W | 1.35 | 2.39 | 1.70 |
| 1.98 ± 0.08 | HDS-SBN-198W | HDS-MBN-198W | HDS-LBN-198W | 1.50 | 2.77 | 1.91 |
| 2.39 ± 0.10 | HDS-SBN-239W | HDS-MBN-239W | HDS-LBN-239W | 1.78 | 3.18 | 2.29 |
| 2.62 ± 0.10 | HDS-SBN-262W | HDS-MBN-262W | HDS-LBN-262W | 1.96 | 3.58 | 2.51 |
| 2.77 ± 0.10 | HDS-SBN-277W | HDS-MBN-277W | HDS-LBN-277W | 2.08 | 3.96 | 2.67 |
| 3.18 ± 0.10 | HDS-SBN-318W | HDS-MBN-318W | HDS-LBN-318W | 2.39 | 4.34 | 3.07 |
| 3.53 ± 0.13 | HDS-SBN-353W | HDS-MBN-353W | HDS-LBN-353W | 2.64 | 4.75 | 3.40 |
| 3.58 ± 0.13 | HDS-SBN-358W | HDS-MBN-358W | HDS-LBN-358W | 2.67 | 4.75 | 3.45 |
| 4.37 ± 0.13 | HDS-SBN-437W | HDS-MBN-437W | HDS-LBN-437W | 3.25 | 5.94 | 4.19 |
| 4.75 ± 0.15 | HDS-SBN-475W | HDS-MBN-475W | HDS-LBN-475W | 3.56 | 6.35 | 4.60 |
| 6.35 ± 0.18 | HDS-SBN-635W | HDS-MBN-635W | HDS-LBN-635W | 4.70 | 8.71 | 6.10 |
| 7.92 ± 0.23 | HDS-SBN-792W | HDS-MBN-792W | HDS-LBN-792W | 5.94 | 10.72 | 7.62 |
| 9.53 ± 0.28 | HDS-SBN-953W | HDS-MBN-953W | HDS-LBN-953W | 7.11 | 12.70 | 9.25 |
| 12.70 ± 0.38 | HDS-SBN-1270W | HDS-MBN-1270W | HDS-LBN-1270W | 9.53 | 16.66 | 12.32 |
Available options
Custom Sizes
We can manufacture cord gaskets with all sizes of diameters, from 0.86mm up to approximately 50mm. There is no additional cost for a specialized diameter. However, for large cords, the length of the gasket available is smaller.
Plating
Plating options can be specified by adding a prefix before the part number:
SBN: RoHS compliant edge tin plating for high humidity or salt fog
(Example: HDS-SBN-086W)
Additional plating options are available by special request: Gold (Au) and Nickel (Ni) Sulfamate
Cord Insert
Special cords can be specified as follows (may not be available in all sizes and may include extra charges):
W: Cordless,
A: Silicone rubber solid,
T: Silicone rubber tube,
F: Silicone foam
Application
This shielding gasket solves problems of microwave shielding that no other gasket can solve and is particularly used for military and aerospace applications. Its competitive cost also enables it to respond to commercial applications requiring high protection.
Material
Spiral: Tin-plated beryllium copper (RoHS compliance).
Cord: 80 durometer PVC (hard plastic).
Shielding Performance
143 dB at 10 GHz
165 dB at 1 GHz
Compression Force
Optimal compression of the gasket is 25% of the diameter of the spiral. The compression forces given are approximate:
Standard Force: 5.5 kg/cm
Moderate Force: 1.8 kg/cm
Low Force: 0.3 kg/cm
Need a Large Order?
We can design and manufacture a component for your specific application in any quantity. For quantities over 1,000, please request a quote.
Request a Quote
