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 KK 100 Hdr FrLk Vert FrLk Vert 03 Ckt Tin
Datasheet
8.654In Stock
Min.: 1
Mult.: 1

Headers Locking 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6.6 mm (0.26 in) 4.45 mm (0.175 in) 6373 KK Wire-to-Board, Signal - 40 C + 80 C
Molex Headers & Wire Housings 11CKT BRKWY HDR VERT
Datasheet
4.475In Stock
Min.: 1
Mult.: 1

Headers Breakaway 11 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 16P VERT HDR 15u Au
Datasheet
5.177In Stock
Min.: 1
Mult.: 1

Headers Breakaway 16 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 KK 100 Hdr Assy Bkwy Assy Bkwy 02 Ckt Tin
Datasheet
20.445In 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 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings BKWY HDR STR 4P tin
Datasheet
18.899In 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 42376 KK Bulk
Molex Headers & Wire Housings BKWY HDR R/A 11P tin
Datasheet
5.781In Stock
Min.: 1
Mult.: 1

Headers Breakaway 11 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 VERT B/A HDR 9P TIN SQUARE PIN
Datasheet
1.582In Stock
Min.: 1
Mult.: 1

Headers Breakaway 9 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 41661 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 3.96MM BKWY ASSY
Datasheet
1.038In Stock
Min.: 1
Mult.: 1

Headers Breakaway 5 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 R/A B/A HDR 8P GOLD SQUARE PIN
Datasheet
2.227In 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 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 3.96MM 8P HDR VERT W/O PEG
Datasheet
2.255In 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 41771 KK Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk Assy FrLk 02 Ckt Tin
Datasheet
11.162In Stock
Min.: 1
Mult.: 1

Headers Shrouded 2 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 R/A PCB HDR 11P TIN FRICTION LOCK
Datasheet
1.900In Stock
Min.: 1
Mult.: 1

Headers Locking 11 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 KK 156 Hdr Assy FrLk Assy FrLk 02 Ckt Tin
Datasheet
9.530In Stock
Min.: 1
Mult.: 1

Headers Locking 2 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) 41791 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 100 PCB Assy RtAn 07 Ckt Tin
Datasheet
1.824In 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 3.3 mm (0.13 in) 4455 KK Board-to-Board, Signal - 40 C + 105 C Tray
Molex Headers & Wire Housings KK 100 PCB Assy RtAn 09 Ckt Tin
Datasheet
1.651In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 9 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 KK 156 Hdr Assy Flat t Bkwy 06 ckt 15 SAu
Datasheet
2.701In 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) 41661 KK Bulk
Molex Headers & Wire Housings 3.96 BRKWY HDR 4P
Datasheet
3.346In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 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 HDR VT 1X12P .156 450/172 15AU
Datasheet
2.466In Stock
Min.: 1
Mult.: 1

Headers Breakaway 12 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 FrLk 03 Ckt 30 SGol
Datasheet
3.512In Stock
Min.: 1
Mult.: 1

Headers Power 3 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 41791 KK Bulk
Molex Headers & Wire Housings 12CKT RA HDR BREAKAWAY
Datasheet
707In Stock
Min.: 1
Mult.: 1

Headers Locking 12 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 2.54mm SRSW TH Hdr Tray 2.5SnLF 4Ckt
Datasheet
8.806In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 25.54 mm (1.006 in) 2.97 mm (0.117 in) 87891 KK Board-to-Board, Wire-to-Board, Signal - 55 C + 105 C Tray
Molex Headers & Wire Housings TERMINAL 22-26 REEL
Datasheet
21.000In Stock
Min.: 7.000
Mult.: 7.000
Reel: 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
Product Comments
28.000In Stock
Min.: 7.000
Mult.: 7.000
Reel: 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
Product Comments
11.300In 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 100 CRP TERM SGLD 22-30A REEL OF 10000
Datasheet
Product Comments
20.000In Stock
Min.: 10.000
Mult.: 10.000
Reel: 10.000

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 2759 KK Power 30 AWG to 22 AWG - 40 C + 85 C Reel