Radio-frequency connector LJT - HE308 - 38999

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Overview
Amphenol Socapex LJT product range is a bayonet coupling connector family designed for aerospace and military applications. It offers a large variety of contact arrangements and shell types with maximum weight/space savings. The LJT range is MIL-DTL-38999 Series I and HE308 qualified and provides 100% contact protection. Metallic and composite versions are available, making the range suitable for harsh environments such as battlefield communications, military vehicles and avionics.

Key features

• 100% scoop proof design
• Bayonet coupling connectors with a large variety of contact arrangements and shell types
• More than 60 contact arrangements, from 1 to 128 contacts
• Ruggedized product with high resistance to shocks & vibrations
• Several materials and platings available, with RoHS & REACH compliant versions

Applications

• Military vehicles
• Battlefield communication C5ISR
• Military avionics

Product benefits

• Several receptacle styles: square flange, jam nut, in-line
• Quick coupling, fully mated in a 1/4 turn of the coupling nut
• Many versions available: integrated backshell, stand-off (double flange), etc.

Materials & platings

• Aluminium: olive drab cadmium, nickel, black zinc nickel
• Marine bronze (unplated)

Contacts types & terminations

• More than 60 contacts arrangements
• Contact sizes: 23 to 4/0
• Signal, Power, High-speed versions (Coax, Twinax, Quadrax, Octomax...), and optical termini
• Terminations: Crimp & PC-tails (gold & tinned versions)

Environmental characteristics

• 500 mating cycles
• Operating temperature: -65°C to 175°C or 200°C depending on material & plating
• Corrosion resistance: from 48 to 500 hours depending on material & plating
• Ingress protection: IPX7 when mated and fully cabled

Electrical characteristics

• Insulation resistance @ Ambient: 5.103 MΩ
• Contact rating: from 3 A to 230 A (depending on contact size, material and plating)

Technical specifications

• Qualification: MIL-DTL-38999 Series I & HE308
• Coupling: Bayonet
• Contact arrangements: more than 60 (1 to 128 contacts)
• Contact sizes available: 23 to 4/0
• Available shell styles: square flange, jam nut, in-line, reduced flange, rack & panel variants
• Materials: aluminium variants with multiple platings, marine bronze unplated
• Terminations: crimp and PC-tails (gold & tinned)
• Mating durability: 500 cycles
• Temperature range: -65°C up to 175°C or 200°C depending on configuration
• Ingress protection: IPX7 when mated and fully cabled
• Documents available: datasheets for specific contact arrangements and power inserts