Twinax/Triax Connectors / Hermetically Sealed Connectors
Concentric Twinax/Triax
Hermetic seals prevent leakage through the bulkhead from inside These connectors meet MIL-C-49142 specifications. Standard non-
of the connector. Trompeter’s miniature size hermetically sealed hermetic connector types such as the BJ78 could leak between
connectors include the feed-through BJ78HS, the front mounted the contacts and dielectrics. Hermetically sealed connectors are
BJ77HS, the rear mounted BJ79HS and BJ379HS. In the subminiature designed for bulkhead mounting in vacuum chambers or where
size we offer the front mounted BJ157HS and BJ157FLHS (four lug toxic and other gases are present. Hermetic connectors are highly
version). The BJ3150HS and BJ3150SHS offer a threaded rear mount beneficial in reactors, gas/petro plants, oil drilling sites, liquid test
version with a safety wire option. These connectors have leakage and measurement, commercial, military, industrial and space
rates of 1x10-8 atm cc/second. The 150 Series have leakage rates of applications. They are reliable under the most severe atmospheric
1x10-6 atm cc/second.
conditions.
Hermetically Sealed
Bulkhead Jack
Front Mount
.500 HEX NUT
.4375-28UNEF-2A
.892
Features
.380
DIA
BJ77HS
.562
DIA
• Standard TRB/MIL-C-49142
• Glass to Metal Seals
.15
Mounting Hole: D4.125
• Sustains Extreme Temperature Ranges
• Stainless Steel or Nickel Plated Brass Body
• Gold Plated Contacts
.062
.487
.428
.765
Benefits
.093 DIA
Hermetically Sealed
Bulkhead Jack
3-lug.......... BJ157HS
4-lug....... BJ157FLHS
• Mechanical and Environmentally Reliable Method
• Wide Range of Application Usage
• More Cost Effective than Stainless Steel
• Reliable Connections
.375 HEX NUT
.3125-32UNEF-2A
.437 HEX
SOLDER POT
ACCEPTS
.034 MAX
DIA
.727 REF
CONDUCTOR
.469 DIA
GASKET
.402
Hermetically Sealed Bulkhead Jack
Subminiature Twinax/Triax
Mounting Hole: D6.187
1.050
Rear Mount (A=.500)............................. BJ3150HS
Solder Pot Bulkhead (A=.562)................ BJ3150SHS
Hermetically Sealed
Miniature Twinax/Triax
.4375-28UNEF-2A
SOLDER POT
.140 DIA
A HEX NUT
.730 DIA
.562 HEX NUT
.500-28UNEF-2A
ACCEPTS .034
DIA CONDUCTOR
Feed-thru Bulkhead Mount
.892
BJ78HS, BJ378HS
WIRE HOLE
ACCEPTS .027
DIAMETER
(Threaded Version Not Shown)
Mounting Hole: D4.200
Mounting Hole: D3.187
CONDUCTOR
BJ78HS Shown
.600 DIA
Insulated Version
.100
.750
.775
BJ73HS
1.050
1.290
(Not Shown)
Mounting Hole: D2.187
Hermetically Sealed
Miniature Twinax/Triax
Rear Mount Bulkhead Jack
Rear Mount, Bulkhead Mount
BJ79HS
.500-28UNEF-2A
Hermetically Sealed Bulkhead Jack
Miniature Twinax/Triax TRT/Threaded
BJ376HS
.56 HEX NUT
.437 WRENCH
FLATS
.500-28UNEF-2A
.625 HEX NUT
.15
.437 WRENCH
FLATS
Mounting Hole: D3.160
.800
.15
.690 DIA
1.09
Mounting Hole: D3.160
.840
.690 DIA
1.09
“D” mounting holes see page 54.
Note: Only a select few of our hermetically sealed connectors are shown here.
Contact customer service for more information.
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EMERSON-NETWORKPOWER [ EMERSON NETWORK POWER ]
