Electrical Feedthroughs for Sealed Systems

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Electrical feedthroughs enable power and signal transmission through sealed enclosures while maintaining hermetic integrity. In high-reliability applications, these components prevent gas leakage, contamination, and electrical breakdown.

 

What Are Electrical Feedthroughs?

An electrical feedthrough is a hermetically sealed device that carries electrical current across a pressure boundary. They are commonly used in vacuum chambers, pressurized housings, and sealed equipment where environmental isolation is required.

 

Hermetic Protection

Proper hermetic sealing ensures stable insulation resistance and consistent electrical performance. Poor sealing can lead to corrosion, oxidation, and signal interference. Hermetic feedthroughs eliminate these risks by forming airtight metal-to-glass or metal-to-ceramic bonds.

 

Custom Feedthrough Design

Complete Hermetics manufactures glass-to-metal feedthroughs, ceramic-to-metal feedthroughs, and custom multi-pin configurations tailored to voltage, current, and environmental requirements. Bulkhead-mounted feedthroughs reduce leak paths and simplify system integration.

 

Long-Term Electrical Stability

High-performance electrical feedthroughs must maintain stable conductivity and insulation over extended service lifetimes. Environmental exposure, vibration, and thermal stress can weaken conventional connectors. Hermetically sealed feedthroughs eliminate these vulnerabilities by creating permanent metal-to-glass or metal-to-ceramic bonds. This results in improved signal integrity and reduced risk of electrical breakdown. Custom configurations further enhance system efficiency by optimizing pin spacing, voltage tolerance, and mounting geometry for complex installations.

 

Industries Served

Electrical feedthroughs are essential in aerospace systems, medical devices, energy infrastructure, offshore drilling tools, and semiconductor processing equipment.

 

Engineering You Can Trust

Complete Hermetics designs and produces electrical feedthroughs, high-vacuum feedthroughs, glass-to-metal feedthroughs,  ceramic-to-metal feedthroughs, hermetic connectors, hermetic headers, battery end seals, and custom hermetic assemblie with rigorous quality control and precision engineering.