38999 BMA RF/Microwave Connector

Design engineers have the option of a using a 38999 format, high speed RF connector for harsh environment applications, following the Hermetic Solutions Group’s release of its new hermetic 38999 Blind Male Attach (BMA) RF/microwave connectors.

This BMA connector uses the Hermetic Solutions Group’s industry-proven hermetic RF connector technology with industry-standard MIL-DTL 38999/23 Series III shell interfaces. On the atmospheric portion, the connector uses #8 BMA coaxial contacts per MIL-STD-348. The hermetic side contains SMA contacts per the same MIL-STD.

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Variety of Configurations Available

These high-performance BMA connectors are available for laser-weld or jam-nut installation with 1, 2, 4, 6 or 8 contacts. Six key-way patterns and 11-80, 17-75, 21-48, 21-75, 23-06 and 25-08 shell sizes are also available. All configurations deliver ≤1 db insertion loss at 18 GHz and have a hermetic leak rate of ≤1×10-9 cc He@1 ATM. In laser weld configuration, these connectors are can be configured to be compatible with 4032 or 4047 aluminum 304L stainless steel or grade 2 titanium. The jam-nut versions mount with a stainless steel jam-nut and o-ring. The shell and SMA barrel are made of 304L stainless while the feedthru insert is Kovar. The BMA outer contacts are beryllium copper and the BMA center pins are Kovar sealed with 7070 glass. These connectors have an operating temperature range of -65°C to 200°C.