ITT Cannon MKJ Series Micro-Miniature Circular Connectors

D38999 PERFORMANCE IN A MUCH SMALLER PACKAGE

ITT Cannon MKJ Micro-Miniature circular connectors offer high-density contact arrangements in a small size - weight reduced by 71% and size by 52% as compared to D38999 22 size contact layouts with no sacrifice in performance or reliability. The MJK series offers three coupling methods: threaded, bayonet and breakaway. These versatile connectors come with rear accessory threads or integral band platform for direct attachment of cable shield and overmold. Integral band platform allows direct attachment of cable shield to connector. Available in a range of materials and finishes, these rugged connectors are used in defense, aerospace, medical and industrial applications. For full details on the ITT Cannon MKJ Series, see the specifications below.

TECH
SPECS
APPLICATIONS
HOW
TO ORDER

FEATURES

ITT CANNON MKJ SERIES CONNECTORS FEATURES

Available in split-tine and PC tail/solder cup contact designs

Contacts meet MIL-C-39029 specifications

Internal ratchet mechanism engineered to be comparable to MIL-DTL-38999 shock and vibration requirement

Multiple keying position

Well suited to harsh environments

Wide range of protective accessories and finishes

High density of contacts

Coupling

MKJ0 UNC Thread

MKJ1 Double Start

MKJ3 Bayonet

MKJ4 Breakaway

MKJ5 Triple Start

MKJ0 UNC Thread

MKJ1 Double Start

MKJ3 Bayonet

MKJ4 Breakaway

MKJ5 Triple Start

Markets & Segments

Defense, Aerospace, Medical, Industrial, Commercial

Hardware

Aluminum

Aluminum/
Stainless Steel

Aluminum

EMI Shielding Effectiveness

40 dB attenuation, 100MHz to 1000MHz

Mating Cycles

2000

250 Aluminum
2000 Stainless steel

2000

RoHS Compliant

Available

Materials

Shells – Aluminum alloy or Stainless steel
Insulators – Thrermoplastic
Seals – Fluorosilicone
Contacts – Copper alloy with gold over nickel plating

MATERIALS & FINISHES

ITT CANNON MKJ SERIES CONNECTORS — MATERIALS & FINISHES

Shell

Aluminum alloy or stainless steel

Shell Platings

Anodize Black, Electroless Nickel, Passivated, Teflon Nickel, Olive Drab Cadmium Electroless Nickel Black, Nickel Black,

Insulators

Thermoplastic

Seals

Fluorosilicone

Contacts and Plating

Copper alloy with gold over nickel plating

ELECTRICAL DATA

ITT CANNON MKJ SERIES CONNECTORS — ELECTRICAL DATA

Contact Resistance

8 Milliohms

Insulation Resistance

5000 Megohms RMS sea level

Salt Spray Test

48 hrs; Anodize black, Electroless Nickel, 500 hrs; Olive Drab Cadmium, Teflon Nickel, Zinc Nickel Black, 1000 hrs; Stainless steel

Contact Size

Spacing

Current Rating

Wire
Accommodation

Sealing Range

Operating Voltage Rating*

#23

.076"

5 Amps

#22 - 28 AWG

.030 - .051

500 VAC

#20

.106"

7.5 Amps

#20 - 24 AWG

.040 - .083

750 VAC

#16

.170"

13 Amps

#16 - 20 AWG

.065 - .109

1800 VAC

#12

.230"

23 Amps

#12 - 14 AWG

.097 - .142

1800 VAC

*At sea level

MECHANICAL

ITT CANNON MKJ SERIES CONNECTORS — MECHANICAL

Operating Temperature

-55°C to +150°C

Shock/Vibration

300g / 37g

Mating Cycle

250 Aluminum / 2000 Stainless steel

Clocking Position

Master Key and 2 Secondary Keys. 4 Clocking Positions

Housing Materials

Aluminum and Stainless Steel

Polarization

Keys and keyways

Sealing

1 meter water immersion for 1 hour (MKJ 3 Splash Proof only)

HARDWARE

ITT CANNON MKJ SERIES CONNECTORS — HARDWARE

MKJ0 UNC Thread

Aluminum

MKJ 1 Double Start

Aluminum/ Stainless steel

MKJ 3 Bayonet

Aluminum

MKJ 4 Breakaway

Aluminum

MKJ 5 Triplestart

Aluminum

ITT CANNON MKJ SERIES CONNECTORS APPLICATIONS

Sensors

Satellites

Instrumentation

Missile systems

Avionic systems

Soldier technology

Industrial equipment

Unmanned aviation vehicles

Navigation and Telemetry equipment

Medical test and diagnostic equipment

Ruggedized computers and hand held communication equipment

Commercial & Military aircraft electronics

ITT CANNON MKJ SERIES CONNECTORS — HOW TO ORDER

MKJ1

9-19

SERIES

CLASS

SHELL STYLE

MATERIAL/
PLATING

SHELL SIZE CONTACT

ARRANGEMENT

CONTACT STYLE

SHELL CLOCKING

MODIFICATIONS

EXPLANATION

SERIES

MKJ0 - Threaded Coupling, UN Thread
MKJ1 - Threaded Coupling, Double Start ACME Thread
MKJ3 - Bayonet Coupling
MKJ4 - Breakaway/Quick Disconnect
MKJ5 - Threaded Coupling, Triple Start ACME Thread

CLASS

A - Environmental Plug & Receptacle with Banding/Overmolding Attachment
B - Environmental Plug & Receptacle with Threaded Accessory Attachment
C - Back-Potted Plug/Receptacle - PC/Flex/Solder
D - C Filtered Receptacle - Fixed Contacts
E - L Filtered Receptacle - Fixed Contacts
F - Pi Filtered Receptacle - Fixed Contacts
G - Space
H - Hermetically Sealed Receptacle - Fixed Contacts

SHELL STYLE

1 - In-Line Receptacle
2 - Box Mount Receptacle (Square Flange)
3 - Receptacle, Round, Solder Mount
4 - Box Mount Plug (Flange)
6 - Straight Plug
7 - Jam Nut Receptacle - Rear Panel Mount
8 - Jam Nut Receptacle - Front Panel Mount (MKJ4 series only)
9 - Jam Nut Plug - Rear Panel Mount (MKJ4 series only)
10 - Jam Nut Plug - Front Panel Mount (MKJ4 series only)
16 - Straight Plug with Self-Locking Coupling Nut (MKJ0 series only)
26 - Straight Plug with Self-Ratchet Coupling Nut (MKJ1 series only)

MATERIAL/PLATING

C - Aluminum/Anodize, Black
F - Aluminum/Electroless Nickel
K - Stainless Steel/Passivated
T - Aluminum/Teflon Nickel
W - Aluminum/OD Cad
Y - Stainless Steel/Electroless Nickel, Black
Z - Aluminum/Zinc Nickel, Black
N - Stainless Steel/Electroless Nickel

SHELL SIZE & CONTACT ARRANGEMENT

5-3 - Size 3/23 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
6-1 - Size 1/16 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
6-4 - Size 4/23 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
6-7 - Size 7/23 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
7-1 - Size 1/12 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
7-10 - Size 10/23 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
8-1 - Size 1/16 Contacts Series MKJ5
8-4 - Size 4/23 Contacts Series MKJ5
8-7 - Size 7/23 Contacts Series MKJ5
8-13 - Size 13/23 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
9-1 - Size 1/12 Contacts Series MKJ5
9-4 - Size 4/16 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
9-10 - Size 10/23 Contacts Series MKJ5
9-19 - Size 19/23 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
10-13 - Size 13/23 Contact Series MKJ5
10-26 - Size 26/23 Contacts Series MKJ0, MKJ1, MKJ3, MKJ4
11-4 - Size 4/16 Contacts Series MKJ5
11-19 - Size 19/23 Contacts Series MKJ5
12-2 - Size 2/12 Contacts Series MKJ0, MK
12-26 - Size 26/23 Contacts Series MKJ5
12-37 - Size 37/23 Contacts Series MKJ0, MKJ3, MKJ4
13-2 - Size 2/12 Contacts Series MKJ1
13-37 - Size 37/23 Contacts-Series MKJ1
14-55 - Size 55/23 Contacts Series MKJ0, MKJ3, MKJ4
15-2 - Size 2/12 Contacts Series MKJ5
15-37 - Size 37/23 Contacts Series MKJ5
15-55 - Size 55/23 Contacts Series MKJ0, MKJ3, MKJ4
16-55 - Size 55/23 Contacts Series MKJ1
17-85 - Size 85/23 Contacts Series MKJ1
18-55 - Size 55/23 Contacts Series MKJ5
19-85 - Size 85/23 Contacts Series MKJ5

CONTACT STYLE

P - Pin, Crimp, Removale (For Class A & B only)
S - Socket, Crimp, Removable (For Class A & B only)
A - Pin, PC Tail, .062 Extension (For Class C through G only)
B - Pin, PC Tail, .109 Extension (For Class C through G only)
C - Socket, PC Tail, .062 Extension (For Class C through G only)
D - Socket, PC Tail, .109 Extension (For Class C through G only)
E - Pin, Solder Cup (For Class C through G only)
F - Socket, Solder Cup (For Class C through G only)

SHELL CLOCKING (POSITION)

MKJ0 Series
N - Normal
X - Clocking Position X
Y - Clocking Position Y
Z - Clocking Position Z

MKJ1 Series
A - Normal 150° - 210°
B - Clocking Position B 75° - 210°
C - Clocking Position C 95° - 230°
D - Clocking Position D 140° - 275°
E - Clocking Position E 75° - 275°
F - Clocking Position F 95° - 210°

MKJ3 Series
N - Normal 150° - 210°
X - Clocking Position X 75° - 210°
Y - Clocking Position Y 95° - 230°
Z - Clocking Position Z 140° - 275°

MKJ4 Series
Omit for Single Key/Keyway
A - Normal 150° - 210°
B - Clocking Position B 75° - 210°
C - Clocking Position C 95° - 230°
D - Clocking Position D 140° - 275°

MKJ5 Series
A - Normal 150° - 210°
B - Clocking Position B 75° - 210°
C - Clocking Position C 95° - 230°
D - Clocking Position D 140° - 275°

MODIFICATION CODE

F0 - Less Contacts (“F0” not stamped on the connector, but must be included on the P.O.)
518 - Class “C” PC style back potted receptacle connectors with water immersion testing.
Capacitance Codes (pF)
A - 19,000 - 28,000
B - 16,000 - 22,500
C - 9,000 - 16,500
D - 4,000 - 6,000
E - 1,650 - 2,500
F - 400 - 650
G - 200 - 300