MKJ datasheet(2/31 Pages) ITT

2 / 31 page

B-31

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Dimensions shown in inches (mm)

Specifications and dimensions subject to change

MKJ Series Connectors

Technical overview

The Trinity MKJ family of mini circular connectors provides approximate electrical and mechanical characteristics of larger and heavier

Military Standard Environmental connectors while reducing weight up to 71% and size up to 52%. All MKJ series connector’s shells

and jam nuts are available in high quality aluminum alloy or corrosion resistant steel per AMS-QQ-S 763. The MKJ series comes with

rear accessory thread or integral band platform for direct attachment of cable shield and overmold. The MKJ series of connectors come

with a variety of coupling mechanisms: threaded, breakaway, and bayonet. In addition, a Pogo Pin technology utilizing ITT’s unique

spring probe pin/touch pad contact system is available. The MKJ series receptacle comes with a variety of mounting options for both

crimp and PCB contacts including in-line, jam nut, front mount, and square flange mount, and flange mount. The MKJ0, MKJ1, MKJ3,

MKJ4, and MKJ5 feature a master key and 2 secondary keys for positive mating with 4 clocking positions available. The MKJ0 connec-

tor is ideal for everyday operations where size and weight are at a premium. The MJK1 connector uses a double start thread coupling

with 1/1/2 turns for a full mate and is ideal for harsh shock and vibration environments. The MKJ3 connector can be fully mated in a

1/4 turn. The MKJ4 connector provides a quick push to mate / pull to unmate disconnect mechanism for fast breakaway connections.

The MKJ5 connector utilizes a triple start thread and is fully mated in 1 turn, and is an ideal connector for harsh shock and vibration

environments and offers an internal coupling ratchet mechanism along with an EMI grounding spring.

Product Features

• High contact density: size 23 contacts accommodate

#22 - #28 wire and allowing 0.076 inch contact spacing

• Available with 3-85 rear release crimp or PCB contacts

• Master key with 2 secondary keys. 4 clocking positions available

• Significant weight and size reduction compared to traditional

Mil Standard environmental connectors

• Available in jam nut, in-line, and square flange rear crimp

receptacle versions. Jam nut and square flange PCB receptacle

versions

• Rear accessory thread or integral band platform for direct

attachment of cable shield or overmold

• Wire seal grommet for rear environmental sealing.

Pin fluorosilicone interfacial seal provides interface sealing

• Available with double start threads allowing full mating in

1.5 turns

• Available with quick push/pull breakaway mechanism utilizing

canted retention spring for quicker mating and demating

• Available with bayonet 1/4 turn locking mechanism

• Available with Pogo Pin technology utilizing ITT’s unique spring

probe pin/pad contact system

Applications

• Medical equipment: test and diagnostic

• Industrial equipment

• Commecial and militray aircraft electronics

• Unmanned aerial vehicles

• Missile systems

• Avionic systems

• Satellites

• Sensors

• Instrumentation

• Interconnections for helmets, weapons, battery packs,

night vision goggles, aircraft headsets, etc.

• Navigation and Telemetry equipment

• Ruggedized computers and hand held communications equipment

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