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KJ / D38999-Style Series II

Product Description

Weight-reduced and low profile circular connector ideally suited for avionic applications where space and weight are prime considerations. High density layouts with up to 128 data connections and power contacts rated up to 23A. Features proven bayonet coupling, optional grounded plug for superior EMI shielding and rear-release contacts. Designed to be comparable with 38999 Series 2 specifications. 

This product is not covered by the QPL/QML.

Features

  • Defense Approved
  • High Density
  • Low Profile
  • Up to 128 contacts per connector
  • Cable assemblies are supplied fully assembled and ready for installation. Conductor length is customer specified, and wire end terminations can be designed for customer requirements.
  • Connectors are available as a Square Flanged Receptacle and as a Plug Connector.

Mechanical

APPLICATION / MARKET: Aerospace, Defense
INDUSTRY : Designed to be comparable to Mil-Spec 38999
SHAPE: Circular
SHELL STYLE: Wall Mounting Receptacle, Straight Plug, Jam Nut Receptacle, Grounded Plug, Wall Mounting Receptacle (back panel mounting), Box Mounting Receptacle, Box Mounting Receptacle (Class E), Box Mounting (back panel mounting), (Class E)
DURABILITY: 250 Mating Cycles
POWER & SIGNAL IN SAME LAYOUT: Yes
CONTACT STYLE / TERMINATION: Crimp, PCB

Material

SHELL: Aluminum Alloy
SHELL PLATING: Cadmium, Electroless Nickel, Black Electroless Nickel, Black Zinc Nickel, Black Zinc Cobalt, Green Zinc Cobalt
INSULATOR: High Grade Thermoplastic
GROMMET AND SEALS: Silicone Based Elastomer
CONTACT: Copper-Alloy
CONTACT PLATING: Gold

Electrical

CURRENT RATING: up to 23A
NUMBER OF SIGNAL CONTACTS (MIN/MAX): 3-128
GAUGE WIRE SIZE: 12-28 AWG

Environmental

OPERATING TEMPERATURE: -65°C to +200°C
   

Literature

Related Products

  • KJA / KJB / D38999-Style Series III

    Our KJA/KJB D38999-Style Series III interconnects are designed for use in harsh military and aerospace environments. They feature high density layouts with up to 128 data connections and power contacts rated up to 23A, as well as triple-start coupling with anti-decoupling ratchet for high vibration applications, grounded plug for superior EMI shielding and 100% scoop-proof contacts for blind-mate coupling.  

    This product is not covered by the QPL/QML.​

  • Composite KJB / D38999-Style Series III

    A lightweight standard circular connector for use in military and aerospace environments with significant weight savings over aluminium-bodied D 38999-style. High density layouts with up to 128 data connections and power contacts rated up to 23A. Features a triple-start coupling with anti-decoupling ratchet for high vibration applications, Cadmium and Electroless Nickel platings, 100% scoop-proof contacts and rated to 1500 mating cycles. Designed to be comparable with MIL-DTL-38999 Series 3 Composite specifications. 

    This product is not covered by the QPL/QML.

  • KJAQ 38999-Style Quadrax for High Speed Data

    Cannon's KJAQ 38999-Style Circular with Quadrax Contacts is a high-reliability interconnect solution used to deliver data rates up to 2.5 Gb/s. It is available with rear-release crimp pin or socket Quadrax contacts or front-release PC pin Quadrax contacts, as well as a number of 38999-style layout arrangements and shell styles. The Quadrax contact provides four signal pins with shield termination capability to yield a single Ethernet port. The crimp version of the Quadrax contact terminates twisted, shielded quad cable.

  • PHD 38999-Style Fiber Optic Connector

    Designed to be comparable with MIL-DTL-38999 envelope dimensions including standard polarization, backshell threads and panel cut-out / mounting holes. Key features include Cannon's PHD Optical Contact System; all metallic 38999-compatible outside dimensions, internal metallic web for EMI suppression and terminus stability; standard 38999-style keys; all metallic backshell with sealing grommet; size 22 and size 16 termini back body; and removable alignment insert assembly mountable in either plug or receptacle.



KJ / D38999-Style Series II

Product Description

Weight-reduced and low profile circular connector ideally suited for avionic applications where space and weight are prime considerations. High density layouts with up to 128 data connections and power contacts rated up to 23A. Features proven bayonet coupling, optional grounded plug for superior EMI shielding and rear-release contacts. Designed to be comparable with 38999 Series 2 specifications. 

This product is not covered by the QPL/QML.
  • Defense Approved
  • High Density
  • Low Profile
  • Up to 128 contacts per connector
  • Cable assemblies are supplied fully assembled and ready for installation. Conductor length is customer specified, and wire end terminations can be designed for customer requirements.
  • Connectors are available as a Square Flanged Receptacle and as a Plug Connector.
APPLICATION / MARKET: Aerospace, Defense
INDUSTRY : Designed to be comparable to Mil-Spec 38999
SHAPE: Circular
SHELL STYLE: Wall Mounting Receptacle, Straight Plug, Jam Nut Receptacle, Grounded Plug, Wall Mounting Receptacle (back panel mounting), Box Mounting Receptacle, Box Mounting Receptacle (Class E), Box Mounting (back panel mounting), (Class E)
DURABILITY: 250 Mating Cycles
POWER & SIGNAL IN SAME LAYOUT: Yes
CONTACT STYLE / TERMINATION: Crimp, PCB
SHELL: Aluminum Alloy
SHELL PLATING: Cadmium, Electroless Nickel, Black Electroless Nickel, Black Zinc Nickel, Black Zinc Cobalt, Green Zinc Cobalt
INSULATOR: High Grade Thermoplastic
GROMMET AND SEALS: Silicone Based Elastomer
CONTACT: Copper-Alloy
CONTACT PLATING: Gold
CURRENT RATING: up to 23A
NUMBER OF SIGNAL CONTACTS (MIN/MAX): 3-128
GAUGE WIRE SIZE: 12-28 AWG
OPERATING TEMPERATURE: -65°C to +200°C
   
  • KJA / KJB / D38999-Style Series III

    KJA / KJB / D38999-Style Series III
    Our KJA/KJB D38999-Style Series III interconnects are designed for use in harsh military and aerospace environments. They feature high density layouts with up to 128 data connections and power contacts rated up to 23A, as well as triple-start coupling with anti-decoupling ratchet for high vibration applications, grounded plug for superior EMI shielding and 100% scoop-proof contacts for blind-mate coupling.  

    This product is not covered by the QPL/QML.​
  • Composite KJB / D38999-Style Series III

    Composite KJB / D38999-Style Series III
    A lightweight standard circular connector for use in military and aerospace environments with significant weight savings over aluminium-bodied D 38999-style. High density layouts with up to 128 data connections and power contacts rated up to 23A. Features a triple-start coupling with anti-decoupling ratchet for high vibration applications, Cadmium and Electroless Nickel platings, 100% scoop-proof contacts and rated to 1500 mating cycles. Designed to be comparable with MIL-DTL-38999 Series 3 Composite specifications. 

    This product is not covered by the QPL/QML.
  • KJAQ 38999-Style Quadrax for High Speed Data

    KJAQ 38999-Style Quadrax for High Speed Data
    Cannon's KJAQ 38999-Style Circular with Quadrax Contacts is a high-reliability interconnect solution used to deliver data rates up to 2.5 Gb/s. It is available with rear-release crimp pin or socket Quadrax contacts or front-release PC pin Quadrax contacts, as well as a number of 38999-style layout arrangements and shell styles. The Quadrax contact provides four signal pins with shield termination capability to yield a single Ethernet port. The crimp version of the Quadrax contact terminates twisted, shielded quad cable.
  • PHD 38999-Style Fiber Optic Connector

    PHD 38999-Style Fiber Optic Connector
    Designed to be comparable with MIL-DTL-38999 envelope dimensions including standard polarization, backshell threads and panel cut-out / mounting holes. Key features include Cannon's PHD Optical Contact System; all metallic 38999-compatible outside dimensions, internal metallic web for EMI suppression and terminus stability; standard 38999-style keys; all metallic backshell with sealing grommet; size 22 and size 16 termini back body; and removable alignment insert assembly mountable in either plug or receptacle.

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