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Glass Hermetic Feedthroughs

Kyocera provides glass hermetic feedthroughs and connectors based on its glass-to-metal sealing technology. We offer two types of products: RF coaxial feedthroughs (high-frequency connectors) with flanges, and D-subminiature connectors (multi-pin feedthroughs). Configurations and dimensions of our standard products are compliant with an industry standard specification (IEEE-STD-287, MIL-STD-348, or MIL-C-24308). Custom-designed products are also available. These glass hermetic feedthroughs are used for a diverse range of applications from industrial manufacturing machinery such as semiconductor manufacturing equipment to scientific and technological equipment.

Note: All data herein was measured by Kyocera.

RF Coaxial Feedthroughs with Flanges

Kyocera provides glass hermetic feedthroughs that can be used under highly hermetic circumstances. The hermetic level of 1.0 x 10-9Pa x m3/sec is assured through helium leak testing. Dimensions of our standard RF feedthroughs meet an industry standard specification (IEEE-STD-287 or MIL-STD-348). Coaxial designs (pin diameter, glass material, etc.) are optimized by Kyocera for high-frequency performance up to 65GHz. Both standard (see below) and custom designs are available.

KC-PGM15A128KC-PGM15A129KC-PGM15A130KC-PGM15A131
Flange Diameter 40mm 40mm 40mm 40mm
Flange Material Stainless Steel Stainless Steel Stainless Steel Stainless Steel
Connector Type 2.92mm K 1.85mm V SMP SMPM
Frequency Range DC to 40GHz DC to 65GHz DC to 26.5GHz DC to 50GHz
Withstand Voltage DC 500V max. DC 500V max. DC 500V max. DC 500V max.
Insulation Resistance 109Ω min. 109Ω min. 109Ω min. 109Ω min.
Impedance 50Ω 50Ω 50Ω 50Ω
Hermeticity 1.0 x 10-9Pa x m3/sec 1.0 x 10-9Pa x m3/sec 1.0 x 10-9Pa x m3/sec 1.0 x 10-9Pa x m3/sec

D-Subminiature Connectors (Multi-Pin Feedthroughs)

  • 50-pin D-Sub Connector

  • Partial Cross-Section

Kyocera provides glass hermetic multi-pin feedthroughs (D-subminiature connectors) based on its glass-to-metal sealing technology. The hermetic level of 1.0 x 10-9Pa x m3/sec is assured through helium leak testing. Dimensions of our standard D-subminiature connectors meet an industry standard specification (MIL-C-24308). Configuration of D-shaped shell and number of pins can be customized.

KC-PGM15A047KC-PGM14A095
Number of Pins 37 50
Diameter of Pin 1mm 1mm
Ampacity 3A max./pin 3A max./pin
Withstand Voltage DC 100V max. DC 100V max.
Insulation Resistance 109Ω min. 109Ω min.
Hermeticity 1.0 x 10-9Pa x m3/sec 1.0 x 10-9Pa x m3/sec
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