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 36P 1 ROW VERT HDR
Datasheet
3.074In Stock
2.972Expected 15/06/2026
Min.: 1
Mult.: 1

Headers Breakaway 36 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.49 mm (0.295 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 KK 100 Hdr Assy Bkwy Bkwy 03 Ckt 15 SGold
Datasheet
26.736In Stock
Min.: 1
Mult.: 1

Headers Breakaway 3 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 RA 3 CKT Gold
Datasheet
36.892In 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) Gold 42377 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY RA 9 CKT Gold
Datasheet
3.608In Stock
Min.: 1
Mult.: 1

Headers Breakaway 9 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
Molex Headers & Wire Housings KK 100 Hdr Assy RA B y RA Bkwy 02 Ckt Ti
Datasheet
26.932In Stock
Min.: 1
Mult.: 1

Headers Breakaway 2 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 KK 100 Hdr Assy RA B Bkwy 03 Ckt 15 SGold
Datasheet
25.021In 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) Gold 8.23 mm (0.324 in) 3.43 mm (0.135 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 05 Ck
Datasheet
14.373In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 5 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 3.96 MM KK VERT HDR
Datasheet
3.735In Stock
Min.: 1
Mult.: 1

Headers Shrouded 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 4.45 mm (0.175 in) 3190 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 6P STRAIGHT HEADER
Datasheet
2.623In Stock
Min.: 1
Mult.: 1

Headers Breakaway 6 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
Molex Headers & Wire Housings 10P F/LK HEADER
Datasheet
1.154In Stock
Min.: 1
Mult.: 1

Headers Breakaway 10 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
Molex Headers & Wire Housings KK 156 Hdr Assy Flat Flat Bkwy 24 ckt Tin
Datasheet
938In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 24 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 32.56 mm (1.282 in) 3.81 mm (0.15 in) 41661 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings R/A PCB HDR 8P TIN FRICTION LOCK
Datasheet
5.345In Stock
Min.: 1
Mult.: 1

Headers Locking 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 41792 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings VERT SOLID HDR 15P friction lock
Datasheet
764In Stock
Min.: 1
Mult.: 1

Headers Locking 15 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 6P HEADER GOLD
Datasheet
3.090In Stock
Min.: 1
Mult.: 1

Headers Locking 6 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 4CKT VERT HDR FRICITON LOCK
Datasheet
4.936In Stock
Min.: 1
Mult.: 1

Headers Locking 4 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 156 PCB Assy Bott y Bottom 02 Ckt Tin
Datasheet
6.245In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 3.18 mm (0.125 in) 41815 KK
Molex Headers & Wire Housings 3CKT BRKWY HDR
Datasheet
22.907In Stock
Min.: 1
Mult.: 1

Headers Breakaway 3 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 Hsg W/LRamp 3Ckt 26 mp 3Ckt 2695 -3RP-BK
Datasheet
51.584In Stock
Min.: 1
Mult.: 1

Headers Shrouded 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 2695 KK Wire-to-Board, Signal - 40 C + 105 C Bulk

Molex Headers & Wire Housings 2CKT VERT HDR
Datasheet
11.623In 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 7.26 mm (0.286 in) 7.34 mm (0.289 in) 6373 KK Wire-to-Board, Signal - 40 C + 105 C
Molex Headers & Wire Housings KK 156 PCB Assy RtAn 13 Ckt Gold
Datasheet
3.997In Stock
Min.: 1
Mult.: 1

Headers Receptacle 13 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Gold 41815 KK - 40 C + 80 C Tray
Molex Headers & Wire Housings CRIMP TERMINAL HSG 7
Datasheet
15.961In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 7 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings .156 KK HOUSING
Datasheet
9.609In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 8 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings 14 POSITION HOUSING
Datasheet
3.019In Stock
Min.: 1
Mult.: 1

Wire Housings 14 Position 3.96 mm (0.156 in) 1 Row Crimp 41695 KK Wire-to-Board, Power Bulk
Molex Headers & Wire Housings 9P HIGH PRESSURE
Datasheet
18.251In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 9 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 10P TERM HOUSING
Datasheet
13.374In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 10 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 7880 KK High Pressure Bulk