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 (IDR) 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 8P VERT HEADER Sn
Datasheet
17.213In Stock
Min.: 1
Mult.: 1

Headers Breakaway 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 15P VERT HEADER Sn
Datasheet
18.910In Stock
Min.: 1
Mult.: 1

Headers Breakaway 15 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 28 CKT Gold
Datasheet
2.195In Stock
Min.: 1
Mult.: 1

Headers Breakaway 28 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 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 36P 1 ROW VERT HDR
Datasheet
1.649In Stock
Min.: 1
Mult.: 1

Headers Breakaway 36 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 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 02 Ckt Tin
Datasheet
28.979In 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 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 KK 100 Hdr Assy
Datasheet
3.126In Stock
Min.: 1
Mult.: 1
: 225

Headers Breakaway 22 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 9.17 mm (0.361 in) 3.05 mm (0.12 in) 42376 KK Reel, Cut Tape
Molex Headers & Wire Housings 2.54MM BREAKAWAY RA 3 CKT Tin
Datasheet
17.291In 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 42377 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Crimp Housing Housing Ramp 03 Ckt
Datasheet
38.912In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 3 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
Molex Headers & Wire Housings VERT B/A HDR 7P TIN SQUARE PIN
Datasheet
5.685In Stock
Min.: 1
Mult.: 1

Headers Breakaway 7 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 41661 KK Bulk
Molex Headers & Wire Housings 24 POS HEADER
Datasheet
537In Stock
Min.: 1
Mult.: 1

Headers Breakaway 24 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 6 CKT STRAIGHT HDR A DR ASLY MATTE FINISH
Datasheet
4.403In Stock
Min.: 1
Mult.: 1
: 1.120

Headers Shrouded 6 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 9.27 mm (0.365 in) 2.79 mm (0.11 in) 8619 KK Wire-to-Board, Signal Reel, Cut Tape
Molex Headers & Wire Housings KK 100 PCB Assy Top Assy Top 10 Ckt Tin
Datasheet
3.113In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 10 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 3.3 mm (0.13 in) 4455 KK Board-to-Board, Signal - 40 C + 105 C Tray
Molex Headers & Wire Housings KK 156 TERMINAL CRIMP HUMPBACK TIN
Datasheet
22.475In Stock
Min.: 1
Mult.: 1

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Tin 2477 KK 24 AWG to 18 AWG - 40 C + 80 C Bulk
Molex Headers & Wire Housings TERMINAL 22-26 BULK
Datasheet
Product Comments
35.180In Stock
Min.: 1
Mult.: 1

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Tin 7258 KK 26 AWG to 22 AWG - 40 C + 80 C Bulk
Molex Headers & Wire Housings .062 CHAIN FORM Reel of 7000
Datasheet
Product Comments
42.000In Stock
Min.: 7.000
Mult.: 7.000
: 7.000

Contacts Cable Mount / Free Hanging Crimp Pin (Male) Tin 5006 KK 24 AWG to 18 AWG - 40 C + 105 C Reel
Molex Headers & Wire Housings CRIMP HSG 13P
Datasheet
9.595In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 13 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings KK 100 Housing Crimp Pol Ramp 10 Ckt
Datasheet
9.958In 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
Molex Headers & Wire Housings KK Hdr Vrt 7 Ckt 3.96mm Pitch Sn
Datasheet
3.507In Stock
Min.: 1
Mult.: 1

Headers Locking 7 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.38 mm (0.448 in) 2.37 mm (0.093 in) 171813 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings R/A PCB HDR 8P TIN PLATING
Datasheet
3.906In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 9.37 mm (0.369 in) 3.15 mm (0.124 in) 4094 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 12P BOTTOM ENTRY HDR
Datasheet
1.999In Stock
Min.: 1
Mult.: 1

Headers Receptacle 12 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Bottom Entry Socket (Female) Tin 3.35 mm (0.132 in) 4455 KK Board-to-Board, Signal - 40 C + 80 C Tray
Molex Headers & Wire Housings KK 100 PCB Assy RtAn 04 Ckt Gold
Datasheet
1.457In 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) Gold 3.35 mm (0.132 in) 4455 KK Board-to-Board, Signal - 40 C + 80 C Tray
Molex Headers & Wire Housings 2.54MM HDR VT 16P 295/120 SN
Datasheet
4.232In Stock
Min.: 1
Mult.: 1

Headers Breakaway 16 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 42375 KK Bulk
Molex Headers & Wire Housings KK 100 Hdr Assy Bkwy Assy Bkwy 02 Ckt Tin
Datasheet
28.339In Stock
Min.: 1
Mult.: 1

Headers Breakaway 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 8.13 mm (0.32 in) 3.43 mm (0.135 in) 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings R/A B/A HDR 4P TIN SQUARE PIN
Datasheet
Product Comments
4.986In 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) Tin 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 100 PCB Assy Top Assy Top 05 Ckt Tin
Datasheet
3.000In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 3.3 mm (0.13 in) 4455 KK Board-to-Board, Signal - 40 C + 105 C Tray