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466511 Datasheet(PDF) 1 Page - Amphenol Aerospace Operations |
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466511 Datasheet(HTML) 1 Page - Amphenol Aerospace Operations |
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1 / 37 page  61 Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com II Dualok III SJT 38999 I HD Fiber Optics Contacts Connectors Cables HigH Speed pCB Accessories Aquacon Herm/Seal Amphenol Aerospace Amphenol® LJT and JT Series subminiature cylindrical connectors are qualified to MIL-DTL-38999*, Series I and II respectively. These connectors were developed to meet the needs of the aerospace industry, and provided the impetus for development of the MIL-C-38999 specifications, which has been superseded by MIL-DTL-38999. Meeting or exceeding MIL-DTL-38999 requirements, Amphenol® JT/LJT connectors feature: MIL-DTL-38999, Series II JT MIL-DTL-38999, Series I LJT Components Shell components are impact extruded or machined bar stock aluminum. Standard plating on shell components is cadmium over nickel. Many finishes are optional (see “Specifications” page 19). 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 character- istics, 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 mini- mum 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 N 2O4resistance provided they are mated, and un-grommeted rear faces are suitably protected. For complete listing and definition of connector types, shell styles and service classes, see How to Order, pages 62 & 63. For information on Fail-Safe Lanyard Release style plugs, see pages 94–96. Features & Benefits • Lightweight, Space Saving Design • Contact Protection - 100% scoop-proof LJT design prevents bent pins and short circuits during mating • Quick Positive Coupling - 3 point bayonet lock system • Mismating Eliminated - with 5 key/keyway design • Error Proof Alternate Positioning - insured by different key/ keyway locations • EMI Shielding - grounding fingers standard in LJT Series; optional in JT Series • Nine Shell Sizes and a Variety of Shell Styles • Contact Options - size 8, 10, 12, 16, 20, 22M and 22D Crimp, Solder, PCB, Wire wrap, Coax, Twinax, Triax, Thermocouple, Fiber Optic and Filter • Fixed Solder Contacts - Amphenol MIL-DTL-38999 Series I LJT and II JT, are available in solder versions as both Commercial and Military qualified to MIL-DTL-27599 • Hermetic - air leakage limited to 1 X 10-7 cm3 per second optional • “Breakaway” Lanyard Release Style - available in LJT plugs. Provides quick disconnect of the connector plug and receptacle with axial pull on the lanyard. See pages 94-96. • Inventory Support Commonality - uses standard MIL-DTL-38999 contacts, insert arrangements and application tools. • RoHS Compliant Product Available - Consult Amphenol Aerospace Operations. Where proof of high reliability and lot control is required, MS approved equivalents to most proprietary JT and LJT connectors are available. * MIL-DTL-38999 Series I supersedes MIL-C-38999 Series I. MIL-DTL-38999 Series II supersedes MIL-C-38999 Series II. MIL-DTL-38999 Series I LJT MIL-DTL-38999 Series II JT |
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