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JT/LJT Amphenol Connectors - the subminiature cylindrical connectors for every application
MIL-DTL-38999 Series I and IIComponents
Shell components
are impact extruded or machined bar stock aluminum. Standard plating on shell components is cadmium over nickel. Many finishes are optional. Hermetic seal receptacles are available in carbon steel or stainless steel
shells. Dependable 5 key/keyway polarization with bayonet lock coupling is incorporated to aid and assure positive mating. Insert material is a rigid dielectric with excellent electrical characteristics, providing
durable protection for molded-in solder type contacts. Contrasting letter or number designations are used on insert faces. A fluorinated silicone interfacial seal wafer is featured on the mating face of "crimp type pin"
inserts. This assures complete electrical isolation of pins when connector halves are mated. In addition, a main joint gasket is installed in the receptacle for moisture sealing between connector halves. Both features
are also available for hermetic receptacles. Contacts
Maximum design flexibility is built into the JT/LJT Series, with a minimum of 2 to a maximum of 128 circuits
per connector in a wide variety of contact arrangements. Contacts are available in sizes 8, 10, 12, 16, 20, 22, 22D and 22M with standard 50 micro inch minimum gold plating (100 micro inches optional).
All socket
contacts are probe proof. Crimp type rear removable contacts are featured in JT-R and LJT-R connectors. Solder termination contacts are also available, as well as PCB, wire wrap, thermocouple, fiber optic, coaxial,
triaxial and twinax contact options. Optional Features
High temperature capability of 392°F is available only in JTS or LJTS crimp type connectors. High temperature
versions feature gold plated contacts, high temperature shell plating, stainless steel coupling nut spring, and epoxy inserts/fluorinated silicone grommet combination. Standard temperature capability for both solder and
crimp is 302°F.
The JTN or LJTN type connectors are available for N2O4 resistance provided they are mated, and ungrommeted rear faces are suitably protected.
| Overview | Components | Contacts | Optional Features |
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