CASE STUDY
Electronics Component Manufacturer Requires Shield Ground Termination for Cable Into A Bulkhead
THE CHALLENGE
An electronics component manufacturer required a shield ground termination for a cable transitioning into a bulkhead. A connector with backshell solution was not appropriate due to the size and cost implications. As with most cable shield grounding applications, a 360 degree peripheral ground was necessary for system EMI compliance.
DESIGN REQUIREMENTS
- Must meet EMI shielding requirements for commercial applications
- Easily installed and low cost
- Provide 360-degree low impedance grounding of cable shield at bulkhead
KEY CUSTOMER REQUIREMENTS
- Low volume resistivity (.01 ohm-cm)
- Excellent elongation (100% min.) and tensile strength (200 psi, 1.38 MPA, min.)
- Lower cost solution compared with connectors with backshells
- Custom molded part provides an exceptional fit with easy installation
THE SOLUTION
The cable shield ground termination was achieved by applying a molded conductive elastomer grommet of Parker Chomerics CHO-SEAL® 1310 silver-plated-glass-filled silicone elastomer.
The CHO-SEAL 1310 material provides excellent electrical conductivity, with superior elongation and tensile strength properties. The molded elastomer grommet installs easily and provides excellent cable shield termination. The conductive grommet not only provides the low impedance shield termination, but offers cable strain relief.
CONCLUSION
Parker Chomerics CHO-SEAL® 1310 silver-plated-glass-filled silicone elastomer provided a low cost, rugged shielded cable grommet that met the needs of this component manufacturer for electrical grounding purposes.
CHO-SEAL 1310 Conductive Elastomer Gasket
Silver-plated glass filler in silicone binder
CHO-SEAL 1310 conductive elastomer gaskets are an ideal choice for performance in non-corrosive environments where moderate shielding is necessary. Learn More.
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