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Cinch Connectivity Solutions Trompeter MIL-STD-1553B bus couplers

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For 60 years Bel has been providing high reliability solutions to the MIL-STD-1553B, and other applications. Today’s MIL-STD-1553B offering includes: bus couplers, connectors, cable assemblies, terminations, RFI Caps, and adapters. Trompeter also continues to be a leader in the use of Triax interconnect solutions for the precision test and measurement applications.

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Product name	Description	Features	Applications	Datasheet
Cable assemblies	The 21- series of cable assemblies offer popular 3 slot TRB (PL75) connectors and 3 slot TRS (PL155) connectors configurations terminated to a variety of cable types.	Reliable Durable Full crimp Wrench crimp	Military aerospace Commercial aviation Test and measurement Industrial	Cable assemblies datasheet (PDF)
450 series twinax connectors	These sub-miniature concentric connectors are designed for the MIL-STD-1553B digital databus requiring weight and size reduction.	3-lug, 4-lug & threaded versions Field installation full crimp design. No soldering required Fully inspectable assembly process (no blind or questionable solder connections) Total of ten polarised and keyed combinations Three different keyings for 3-lug versions Two interchangeable pin and socket arrangements	Military, space and testing equipment
TRB twinax/triax connectors	This series is the standard size twinax/triax connector with 2, 3, or 4 locking lugs for engagement between the plug and jack.	QPL qualified to MIL-C-49142 All metallic parts are machined/formed to extremely close tolerances All bodies are made of top quality brass with bright nickel-plated nontarnish finish Fully enclosed, heat-treated, beryllium-copper outer conductor spring (not half hard slotted brass) Heat-treated, beryllium-copper centre socket contact with 50 millionths inch gold plating	Military, space and testing equipment
TRS twinax/triax connectors	This family is the sub-miniature size twinax/triax connector with 2, 3, or 4 locking lugs for engagement between the plug and jack.	Same size as TPS/TCM connectors Solderable wrench crimp versions for cables with up to .215" outer diameter Tool crimp versions for quick termination of cables with up to .250" outer diameter 3-lug, 4-lug, and threaded versions provide different levels of mechanical stability and keying	Military, space and testing equipment
TRT twinax/triax connectors	The TRT series is the standard size twinax/triax series with a threaded interface for engagement between the plug and jack.	All metallic parts are machined/formed to extremely close tolerances All bodies are made of top quality brass with bright nickel-plated nontarnish finish Fully enclosed, heat-treated, beryllium-copper outer conductor spring (not half hard slotted brass) Heat-treated, beryllium-copper centre socket contact with 50 millionths inch gold plating	Military, space and testing equipment
TTM twinax/triax connectors	The TTM series is the sub-miniatures size MIL-STD-1553B twinax/triax connectors with a threaded interface for engagement between the plug and jack.	Same size as TPS/TCM connectors Solderable wrench crimp versions for cables with up to .215" outer diameter Tool crimp versions for quick termination of cables with up to .250" outer diameter 3-lug, 4-lug, and threaded versions provide different levels of mechanical stability and keying	Military, space and testing equipment
Bus couplers	The couplers are non-terminated and come in configurations from one to eight stubs. These couplers all use the industry leading Trompeter BJ770 connectors.	Meet the requirements of MIL-STD-1553B Lead free versions available	Military, space and testing equipment	Bus coupler datasheet (PDF)