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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Qty. RoHS ECAD Model Product
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Number of Rows
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Termination Style
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Contact Gender
Contact Plating
Mating Post Length
Termination Post Length
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Packaging

Molex Headers & Wire Housings KK 100 Hdr FrLk Vert 04 Ckt Tin
Datasheet
10,739In Stock
Min.: 1
Mult.: 1

Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6.6 mm (0.26 in) 3.68 mm (0.145 in) 6373 KK Wire-to-Board, Signal - 40 C + 80 C

Molex Headers & Wire Housings KK 100 Hdr FrLk Vert FrLk Vert 03 Ckt Tin
Datasheet
13,193In 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 7.49 mm (0.295 in) 14.73 mm (0.58 in) 6373 KK Wire-to-Board, Signal - 40 C + 80 C
Molex Headers & Wire Housings BKWY HDR STR 4P tin
Datasheet
21,327In 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 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 Tin
Datasheet
16,285In 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 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 16CKT HEADER
Datasheet
14,366In 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 Bkwy 02 Ckt 30 SGold
Datasheet
6,104In 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 6.09 mm (0.24 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 2P RA HEADER
Datasheet
59,321In 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 42376 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY RA 7 CKT Gold
Datasheet
10,174In Stock
Min.: 1
Mult.: 1

Headers Breakaway 7 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 Bulk
Molex Headers & Wire Housings KK 156 Crimp Housing Crimp Housing 02 Ckt
Datasheet
53,002In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 2 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 VERT B/A HDR 6P TIN SQUARE PIN
Datasheet
Product Comments
7,552In Stock
Min.: 1
Mult.: 1

Headers Breakaway 6 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 R/A B/A HDR 6P TIN FRICTION LOCK
Datasheet
4,023In Stock
Min.: 1
Mult.: 1

Headers Breakaway 6 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 41672 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings HDR VT 1X15P .156 450/172 SN
Datasheet
2,398In Stock
Min.: 1
Mult.: 1

Headers Breakaway 15 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 41661 KK Bulk
Molex Headers & Wire Housings R/A PCB HDR 7P TIN FRICTION LOCK
Datasheet
4,899In Stock
Min.: 1
Mult.: 1

Headers Locking 7 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 41792 KK Bulk
Molex Headers & Wire Housings VERT PCB HDR 12 GOLD FRICTION LOCK
Datasheet
669In Stock
Min.: 1
Mult.: 1

Headers Locking 12 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 Top Assy Top 04 Ckt Tin
Datasheet
4,268In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 4 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 TERMINAL 22-26 BULK
Datasheet
Product Comments
35,730In 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
9,620In 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 HOUSING KK .156IN GWT 7 CKT
Datasheet
2,511In 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) 3069 KK Wire-to-Board, Power Bulk
Molex Headers & Wire Housings KK 100 Housing Crimp Pol Ramp 10 Ckt
Datasheet
10,043In 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 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