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 (DKK) 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 18P CRIMP RAMP HSNG
Datasheet
6.711In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 18 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 7880 KK High Pressure Bulk
Molex Headers & Wire Housings KK Hdr Vrt 5 Ckt 2.54mm Pitch 15um Au
Datasheet
2.802In Stock
Min.: 1
Mult.: 1

Headers Locking 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 04 Ckt Tin T&R
Datasheet
4.578In Stock
Min.: 1
Mult.: 1
: 150

Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings 8 CKT TERM HOUSING
Datasheet
26.329In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 8 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings 8P BOTTOM ENTRY
Datasheet
1.236In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Bottom Entry Socket (Female) Gold 4455 KK Tray
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 5 CKT Tin
Datasheet
20.292In Stock
Min.: 1
Mult.: 1

Headers Breakaway 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 8.13 mm (0.32 in) 3.05 mm (0.12 in) 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 8 CKT Gold
Datasheet
5.230In Stock
Min.: 1
Mult.: 1

Headers Breakaway 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 12 CKT Gold
Datasheet
13.147In Stock
Min.: 1
Mult.: 1

Headers Breakaway 12 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 Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 22 CKT Tin
Datasheet
2.628In Stock
Min.: 1
Mult.: 1

Headers Breakaway 22 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 KK 100 Hdr Assy RA B y RA Bkwy 06 Ckt Tin
Datasheet
24.286In Stock
Min.: 1
Mult.: 1

Headers Breakaway 6 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 10.29 mm (0.405 in) 3.43 mm (0.135 in) 42376 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings BKWY HDR R/A 3P tin
Datasheet
16.961In Stock
Min.: 1
Mult.: 1

Headers Breakaway 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 6.2 mm (0.244 in) 3.05 mm (0.12 in) 42377 KK Bulk
Molex Headers & Wire Housings HEADER
Datasheet
12.419In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 42377 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY RA 5 CKT Gold
Datasheet
15.140In Stock
Min.: 1
Mult.: 1

Headers Breakaway 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 8.23 mm (0.324 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 3.96mm KK Hdr Vt RPi Hdr Vt RPin VrA 8Ckt
Datasheet
2.536In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.43 mm (0.45 in) 4.45 mm (0.175 in) 3192 KK Board-to-Board, Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 156 Bkwy 3 CKT
Datasheet
4.759In Stock
Min.: 1
Mult.: 1

Headers Breakaway 3 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 VERT PCB HDR 9P GOLD FRICTION LOCK
Datasheet
2.850In Stock
Min.: 1
Mult.: 1

Headers Locking 9 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 11.43 mm (0.45 in) 3.56 mm (0.14 in) 41791 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 100 PCB Assy RtAn 04 Ckt Tin
Datasheet
2.832In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Tin 4455 KK Tray
Molex Headers & Wire Housings KK 100 PCB Assy RtAn 05 Ckt Tin
Datasheet
3.287In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Tin 3.3 mm (0.13 in) 4455 KK Board-to-Board, Signal - 40 C + 105 C Tray
Molex Headers & Wire Housings HDR VT 1X02P.156 450/172 15AU
Datasheet
9.039In Stock
Min.: 1
Mult.: 1

Headers Breakaway 2 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) 41671 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 10CKT BKWY HDR
Datasheet
6.375In Stock
Min.: 1
Mult.: 1

Headers Breakaway 10 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 42375 KK - 40 C + 105 C
Molex Headers & Wire Housings KK 100 Hdr Assy Bkw 02 Ckt 15 SGold
Datasheet
26.131In Stock
Min.: 1
Mult.: 1

Headers Breakaway 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 5.89 mm (0.232 in) 3.89 mm (0.153 in) 42375 KK - 40 C + 105 C
Molex Headers & Wire Housings KK TERM 18-20G TRIF Reel of 1000
Datasheet
Product Comments
69.000In Stock
Min.: 1.000
Mult.: 1.000
: 1.000

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Tin 6838 KK 20 AWG to 18 AWG - 40 C + 105 C Reel
Molex Headers & Wire Housings KK 156 PCB Assy RtAn 07 Ckt Tin
Datasheet
2.394In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 7 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Tin 41815 KK
Molex Headers & Wire Housings HOUSING 3P
Datasheet
6.292In Stock
Min.: 1
Mult.: 1

Headers Receptacle 3 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Gold 3.05 mm (0.12 in) 41815 KK - 40 C + 80 C Tray
Molex Headers & Wire Housings 8 POS HEADER .156 SPOX PCB W/ FRLOK
Datasheet
10.830In Stock
Min.: 1
Mult.: 1

Headers Receptacle 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 5273 KK, SPOX - 40 C + 105 C Bulk