KK Connectors

Molex KK Interconnection System consists of connectors that form the building block for creating thousands of different configurations. This system offers polarization features that ensure correct mating. The system incorporates offset header entry holes that provide +180°C polarization and allows both power and signal to carry through the same housing. This connector system also enables loading with optional polarization keys and pegs that ensure the one-way mating of headers and housings. Molex KK Interconnection System comes with customizable KK headers that offer more polarization options and design configurations. These include headers with voided pins, customized pin lengths, kinked PC tails, and varying tin or gold plating options.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Number of Positions
Pitch
Number of Rows
Mounting Style
Termination Style
Mounting Angle
Contact Gender
Contact Plating
Mating Post Length
Termination Post Length
Series
Tradename
Application
Wire Gauge
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Molex Headers & Wire Housings KK 100 Hdr Assy Bkwy Assy Bkwy 17 Ckt Tin
Datasheet
2.053In Stock
Min.: 1
Mult.: 1

Headers Breakaway 17 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6.09 mm (0.24 in) 3.18 mm (0.125 in) 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM HDR VT 1P 240/135 SN
Datasheet
1.882In Stock
Min.: 1
Mult.: 1

Headers Breakaway 36 Position 2.54 mm (0.1 in) 1 Row Kinked Pin Solder Pin Straight Pin (Male) Tin 6.09 mm (0.24 in) 3.43 mm (0.135 in) 42375 KK Bulk
Molex Headers & Wire Housings KK 100 Hdr Assy RA B y RA Bkwy 07 Ckt Tin
Datasheet
5.864In Stock
Min.: 1
Mult.: 1

Headers Breakaway 7 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 10.29 mm (0.405 in) 3.05 mm (0.12 in) 42376 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 8P R/A HEADER
Datasheet
2.707In Stock
Min.: 1
Mult.: 1

Headers Breakaway 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 8.23 mm (0.324 in) 3.05 mm (0.12 in) 42377 KK Bulk
Molex Headers & Wire Housings 12P BRKAWAY HEADER RA SMT COMPATIBLE AU
Datasheet
3.460In Stock
Min.: 1
Mult.: 1

Headers Breakaway 12 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 6.2 mm (0.244 in) 3.05 mm (0.12 in) 42377 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Crimp Housing Crimp Housing 07 Ckt
Datasheet
6.043In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 7 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 6442 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Crimp Housing Crimp Housing 16 Ckt
Datasheet
5.516In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 16 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 6442 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy Flat Flat Bkwy 04 ckt Tin
Datasheet
5.442In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 14.99 mm (0.59 in) 4.37 mm (0.172 in) 41661 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings R/A B/A HDR 3P GOLD SQUARE PIN
Datasheet
7.740In Stock
Min.: 1
Mult.: 1

Headers Breakaway 3 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 14.55 mm (0.573 in) 4.67 mm (0.184 in) 41662 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 4P HEADER GOLD
Datasheet
2.271In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 11.43 mm (0.45 in) 5.38 mm (0.212 in) 41672 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 156 Bkwy 8 CKT
Datasheet
1.035In Stock
Min.: 1
Mult.: 1

Headers Breakaway 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 11.43 mm (0.45 in) 4.37 mm (0.172 in) 41661 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings R/A B/A HDR 12 GOLD SQUARE PIN
Datasheet
1.762In Stock
Min.: 1
Mult.: 1

Headers Breakaway 12 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 14.55 mm (0.573 in) 4.67 mm (0.184 in) 41662 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy Flat at Bkwy 24 ckt 20 Au
Datasheet
1.199In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 24 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 41661 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Header Assy F FrLk Bkwy 14 ckt Tin
Datasheet
734In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 14 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.43 mm (0.45 in) 4.37 mm (0.172 in) 41671 KK
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk Assy FrLk 06 Ckt Tin
Datasheet
4.209In Stock
Min.: 1
Mult.: 1

Headers Shrouded 6 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.43 mm (0.45 in) 4.32 mm (0.17 in) 41791 KK Wire-to-Board, Power - 40 C + 80 C
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk RtAn 18 Ckt 20 Gold
Datasheet
680In Stock
Min.: 1
Mult.: 1

Headers Locking 18 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 11.43 mm (0.45 in) 3.96 mm (0.156 in) 41792 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk k RtAn 2Ckt 30 SGold
Datasheet
5.725In Stock
Min.: 1
Mult.: 1

Headers Locking 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 11.43 mm (0.45 in) 3.96 mm (0.156 in) 41792 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 100 Hdr Assy Bkwy Bkwy 02 Ckt 15 SGold
Datasheet
13.601In Stock
Min.: 1
Mult.: 1

Headers Shrouded 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 6.09 mm (0.24 in) 3.18 mm (0.125 in) 42375 KK Wire-to-Board, Signal - 40 C + 105 C
Molex Headers & Wire Housings CRIMP TERMINAL HSG KK 5.08MM 2 CCT GW
Datasheet
20.196In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 2 Position 5.08 mm (0.2 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 91813 KK Wire-to-Board, Power Bulk
Molex Headers & Wire Housings CRIMP TERM 18-22AWG
Datasheet
14.000In Stock
Min.: 7.000
Mult.: 7.000
Reel: 7.000

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Tin 8818 KK 22 AWG to 18 AWG - 40 C + 105 C Reel
Molex Headers & Wire Housings KK TERM 22-30G Cut Strip of 100
Datasheet
Product Comments
5.800In Stock
Min.: 100
Mult.: 100

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 4809 KK Wire-to-Board, Signal 30 AWG to 22 AWG - 40 C + 80 C Cut Tape
Molex Headers & Wire Housings KK 156 PCB Assy Top 04 Ckts Tin
Datasheet
2.997In Stock
Min.: 1
Mult.: 1

Headers Receptacle 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 3.05 mm (0.12 in) 41815 KK - 40 C + 80 C
Molex Headers & Wire Housings 12CKT PCB TOP ENTRY
Datasheet
951In Stock
Min.: 1
Mult.: 1

Headers Receptacle 12 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Gold 41815 KK - 40 C + 80 C Tray
Molex Headers & Wire Housings 156 KK Term Hsg W/ Ramp Nylon 21Ckt
Datasheet
2.975In Stock
Min.: 1
Mult.: 1

Wire Housings 21 Position 3.96 mm (0.156 in) 1 Row 2139 KK Bulk
Molex Headers & Wire Housings KK 156 Crimp Housing 02 Ckt
Datasheet
15.507In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 2 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 41695 KK Wire-to-Board, Power Bulk