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
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Wire Gauge
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Maximum Operating Temperature
Packaging
Molex Headers & Wire Housings 36P 1 ROW VERT HDR
Datasheet
718In Stock
Min.: 1
Mult.: 1

Headers Breakaway 36 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 KK 100 Hdr Assy RA B y RA Bkwy 05 Ckt Tin
Datasheet
8.690In 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) Tin 9.17 mm (0.361 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 2.54MM BREAKAWAY RA 22 CKT Gold
Datasheet
1.204In Stock
Min.: 1
Mult.: 1

Headers Breakaway 22 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
Molex Headers & Wire Housings 36P HEADER
Datasheet
1.597In Stock
Min.: 1
Mult.: 1

Headers Breakaway 36 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 100 Hdr Assy RA B Bkwy 36 Ckt 15 SGold
Datasheet
905In Stock
Min.: 1
Mult.: 1

Headers Breakaway 36 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 KK 156 Crimp Housing Housing Ramp 11 Ckt
Datasheet
9.875In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 11 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 7P HEADER GOLD
Datasheet
1.437In Stock
Min.: 1
Mult.: 1

Headers Breakaway 7 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 8P HEADER GOLD
Datasheet
1.179In Stock
Min.: 1
Mult.: 1

Headers Breakaway 8 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 KK 156 Hdr Assy Flat at Bkwy 24 ckt 20 Au
Datasheet
508In 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 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 VERT PCB HDR 4P TIN W/O PEGS
Datasheet
2.353In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 41771 KK Bulk
Molex Headers & Wire Housings .156 KK HEADER
Datasheet
2.273In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 9 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.43 mm (0.45 in) 3.56 mm (0.14 in) 41771 KK Board-to-Board, Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk FrLk RtAn 10 Ckt Tin
Datasheet
895In Stock
Min.: 1
Mult.: 1

Headers Locking 10 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 11.43 mm (0.45 in) 3.96 mm (0.156 in) 41792 KK Wire-to-Board, Power - 40 C + 80 C
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk k Bkwy 06 ckt 30 SAu
Datasheet
2.363In 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 Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk k Bkwy 09 ckt 30 SAu
Datasheet
1.577In Stock
Min.: 1
Mult.: 1

Headers Breakaway 9 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 KK 156 Header Assy F rLk Break 04 Ckt sGo
Datasheet
3.343In 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 - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy RtAn RtAn 30 SGold 06 Ckt
Datasheet
2.071In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 6 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 14.86 mm (0.585 in) 3.56 mm (0.14 in) 41772 KK Bulk
Molex Headers & Wire Housings 11POS 1RW VRT.156HDR
Datasheet
1.191In Stock
Min.: 1
Mult.: 1

Headers Locking 11 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 Hdr Assy Bkw 04 Ckt 30 SGold
Datasheet
21.937In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 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 2.54mm SRSW TH Hdr Tray 2.5SnLF 2Ckt
Datasheet
6.864In 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 87891 KK Board-to-Board, Wire-to-Board, Signal - 55 C + 105 C
Molex Headers & Wire Housings TERMINAL 22-26 REEL
Datasheet
21.000In Stock
Min.: 7.000
Mult.: 7.000
: 7.000

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Tin 2578 KK 26 AWG to 22 AWG - 40 C + 80 C Reel
Molex Headers & Wire Housings KK 156 CRP TERM TIN 18-24A REEL OF 7000
Datasheet
28.000In Stock
Min.: 7.000
Mult.: 7.000
: 7.000

Contacts Crimp Socket (Female) Tin 2478 KK Power 24 AWG Reel
Molex Headers & Wire Housings KK TERM 18-24G Cut Strip of 100
Datasheet
10.900In Stock
Min.: 100
Mult.: 100

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 2478 KK Power 24 AWG to 18 AWG - 40 C + 85 C Cut Tape
Molex Headers & Wire Housings KK TERM 22-26G Cut Strip of 100
Datasheet
2.500In Stock
Min.: 100
Mult.: 100

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 2578 KK Wire-to-Board, Power 26 AWG to 22 AWG - 40 C + 80 C Cut Tape
Molex Headers & Wire Housings 9 POS RECEPT .156 BOTTOM PCB GOLD
Datasheet
3.461In Stock
Min.: 1
Mult.: 1

Headers Receptacle 9 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Socket (Female) Gold 3.18 mm (0.125 in) 41815 KK - 40 C + 80 C Tray
Molex Headers & Wire Housings .156 KK HOUSING
Datasheet
9.549In 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