Home » Hermetic Connectors
Vacuum-tight feedthroughs engineered with 4J29 Kovar and Borosilicate Glass. Zero leakage reliability for Aerospace & Vacuum applications.
Explore the Hermetic Connector Series
Select the connector family according to RF signal, high-density I/O, or power feedthrough requirements.
Hermetic RF
High Frequency
50Ω impedance matched coaxial feedthroughs for microwave signal transmission (DC-65GHz).
- DC - 65 GHz (VSWR < 1.2)
- SMP, SMPM, SMA, 2.92mm
Multi-Pin
High Density
High-density headers combining multiple signal/power lines. D-Sub & Circular arrays.
- D-Sub (MIL-DTL-24308)
- Custom Circular Arrays
Discrete
Power
Cost-effective individual feedthroughs and terminals for power injection & grounding.
- Solder-in & Threaded Studs
- High Current (Up to 20A+)
Engineer’s Selection Matrix
Compare the three hermetic connector families by electrical function, interface type and glass-to-metal seal construction.
| Feature | Hermetic RF | Hermetic Multi-Pin | Discrete Terminals |
|---|---|---|---|
| Primary Function | High Freq Signal (50Ω) | High Density I/O | Power / Ground / DC |
| Interface Type | Coaxial (SMP, SMA) | D-Sub, Rectangular | Pin, Stud, Wire |
| Glass Technology | Precision Dielectric | Multi-Hole Preform | Single Bead |
Qualified for Mission-Critical Applications
MIL-STD and industrial qualification data for vacuum-tight hermetic interconnect applications.
Helium Leak
Vacuum-tight sealing verified by helium leak testing.
< 1x10⁻⁸ atm cc/sThermal Shock
Temperature cycling capability for demanding environmental conditions.
-65°C to +125°CInsulation
High insulation resistance for signal and feedthrough isolation.
> 5000 MΩDurability
Qualification framework aligned with hermetic electronic packaging requirements.
MIL-STD-883From Concept to Vacuum
Custom hermetic solutions in weeks, not months.
Consultation
Share your 3D models. We analyze feasibility.
Design
Optimization of pin layout & signal integrity.
Prototype
Samples in 2-3 weeks.
Production
Volume MFG with 100% helium leak testing.
Need a Custom Hermetic Solution?
From custom pin layouts to specialized flange integration.
