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Home » NEWEST Products » New by Manufacturer » Molex » KK Series Interconnect System - Molex
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Molex KK® Series Interconnection System

Molex KK® Interconnection System of "building block" connectors can create thousands of different configurations, allowing each user to build a system precisely suited for any application on centers from 2.50 to 5.08mm with a maximum current of 13.0A per circuit while handling up to 600V.

Molex KK® Series Interconnection System offers many polarization features to ensure correct mating in an application. The KK® Interconnection System has offset header entry holes, which provide 180º polarization, allowing both power and signal to carry through the same housing, and can also be loaded with optional polarization keys and pegs, to help ensure that the headers and housings only mate one way. Customizable KK headers allow for more polarization options and design configurations, such as headers with voided pins, customized pin lengths, kinked PC tails, and varying tin or gold plating options, providing application design flexibility.

Now Available - Reflow Process Compatible (RPC) headers are now available in both signal and power applications and can handle solder temperatures up to 260ºC. Signal application KK 254 connectors delivers up to 5.0A and 250V per circuit in a 2.54mm centerline pitch. Power application KK 396 connectors deliver 13.0A and 600V per circuit in a 3.96mm centerline pitch.

NEW!! KK RPC Headers Now Available in Tape-and-Reel Packaging 

Features and Benefits

Friction Lock headers; friction lock ramp housings

Ensures secure mating

Polarizing backwalls, housings and pegs

Prevents mismating

Kinked PC tails

Ensures good contact with PCB

 Various terminal designs with extra contact points

Ideal for high-vibration environments

 Vertical, right angle headers; top, bottom, right angle PCB receptacles

Design flexibility

  • Automotive
    • Control modules
    • Interior lighting
    • Side / back window defrosters
    • Stereos
  • Consumer
    • Coin changers
    • Fire alarms / smoke detectors
    • Gaming Machines
    • Garage doors
    • Home Appliance
    • Home Security
    • Lottery machines
    • Score boards
    • Set-top box
    • Slot and gaming consoles
    • Vending Machines
    • White goods
  • Industrial Automation
    • Automation equipment

  • Data/Communications
    • Copiers
    • Desktop computer and motherboard
    • Mainframes
    • Multi-function scanners
    • Power stations
    • Printers
    • Workstations
  • Medical
    • Blanket warmers
    • Blood warming bags
    • Heart monitors
    • Patient Monitors
    • Pulse Oximeters
    • Respirators
  • Networking
    • 1U rack box
    • Blade server
    • Rack-mount server

2.54mm Reflow Process
Compatible (RPC) Headers
3.96mm Reflow Process
Compatible (RPC)

 PCB Receptacles
 PCB Headers  Crimp Housings
Buy Molex KK 254 RPC Connectors

View All KK 2.54mm RPC Headers
KK 2.54mm RPC Datasheet

More About Molex KK 2.54

Available in Tape & Reel
 Molex KK 396 RBC
Buy Molex KK 396 RPC Connectors

View All KK 3.96mm PRC  Headers

KK 3.96mm RPC Datasheet

More About Molex KK 3.96

Available in Tape & Reel
 Molex KK PCB Receptacles Buy Molex KK PCB Receptacles

View All KK PCB Receptacles
Datasheet KK PCB Receptacles Datasheet
Molex KK PCB Headers
KK PBC Headers

View All KK PCB Headers
Datasheet KK PCB Headers Datasheet
Molex KK Crimp Housings
Buy Molex KK Crimp Housings

View All KK Crimp Housings
Datasheet KK Crimp Housings Datasheet
Glowwire Housings  Breakaway PCB Headers  Crimp Terminals
 MarKK™ Crimp Terminals  Crimp Housings
Molex KK Glowwire Housings
Buy Molex Glowwire Housings

View All Glowwire Housings
Datasheet KK Glowwire Housings Datasheet
Molex Breakaway PCB Headers 
Buy Molex KK Breakaway PCB Headers

View All KK Breakaway PCB Headers
Datasheet KK Breakaway PCB Headers Datasheet
 Molex KK Crimp Terminals 
Buy Molex KK Crimp Terminals

View All KK Crimp Terminals
Datasheet KK Crimp Terminals Datasheet
 Molex KK Mark Crimp Terminals
Buy Molex MarKK Crimp Terminals

View All MarKK Crimp Terminals
Datasheet KK MarKK Crimp Terminals Datasheet
 Molex KK Design Kits
Buy Molex KK Design Kits

View All KK Design Kits

Datasheet KK Design Kits Datasheet

KK254 and KK396 Spotlight
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KK and MLX Connectors
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