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 2.54MM HDR RA 6P 052/120 SN
Datasheet
6.181In Stock
Min.: 1
Mult.: 1

Headers Breakaway 6 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 KK 100 Hdr Assy RA B Bkwy 36 Ckt 15 SGold
Datasheet
668In 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 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 2.54MM BREAKAWAY RA 7 CKT Gold
Datasheet
11.910In 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 8.23 mm (0.324 in) 3.05 mm (0.12 in) 42377 KK Bulk
Molex Headers & Wire Housings KK 100 Hdr Assy RA B y RA Bkwy 13 Ckt Tin
Datasheet
4.140In Stock
Min.: 1
Mult.: 1

Headers Breakaway 13 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 2.54MM BREAKAWAY RA 16 CKT Tin
Datasheet
5.789In Stock
Min.: 1
Mult.: 1

Headers Breakaway 16 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 3.96mm KK Hdr Vt RPi dr Vt RPin VrA 15Ckt
Datasheet
1.176In Stock
Min.: 1
Mult.: 1
Reel: 300

Headers Pin Strip 15 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 4.45 mm (0.175 in) 3192 KK Board-to-Board, Wire-to-Board, Power - 40 C + 80 C Reel, Cut Tape
Molex Headers & Wire Housings KK 156 Hdr Assy Flat Flat Bkwy 09 ckt Tin
Datasheet
1.926In 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 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 KK 156 Header Assy F rLk Break 18 Ckt Ti
Datasheet
542In Stock
Min.: 1
Mult.: 1

Headers Breakaway 18 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 11.43 mm (0.45 in) 5.38 mm (0.212 in) 41672 KK Board-to-Board, Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy Flat Flat Bkwy 19 ckt Ti
Datasheet
2.171In Stock
Min.: 1
Mult.: 1

Headers Breakaway 19 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.43 mm (0.45 in) 4.37 mm (0.172 in) 41661 KK Board-to-Board, Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy Flat Flat Bkwy 24 ckt Tin
Datasheet
600In Stock
Min.: 1
Mult.: 1

Headers Breakaway 24 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 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 6P HEADER GOLD
Datasheet
1.060In 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) 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 Header Assy F rLk Break 02 Ckt Tin
Datasheet
7.758In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 13.41 mm (0.528 in) 5.26 mm (0.207 in) 41672 KK Board-to-Board, Wire-to-Board, Signal
Molex Headers & Wire Housings KK 156 Hdr Assy Flat Flat Bkwy 04 ckt Tin
Datasheet
7.447In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 16.26 mm (0.64 in) 4.37 mm (0.172 in) 41661 KK Bulk
Molex Headers & Wire Housings 03 CKT R/A HEADER without pegs
Datasheet
3.596In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 3 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 41772 KK Board-to-Board, Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr FrLk Peg 03 Ckt Tin
Datasheet
6.019In Stock
Min.: 1
Mult.: 1

Headers Locking 3 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) 42491 KK Wire-to-Board, Power - 40 C + 80 C
Molex Headers & Wire Housings RA FRICTION LK HDR 2 w/press-fit pegs
Datasheet
4.719In Stock
Min.: 1
Mult.: 1

Headers Locking 2 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) 42492 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 396 HDR RA 12CKT FRCTLCK W/PRESFIT PG
Datasheet
1.768In 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) Tin 11.43 mm (0.45 in) 3.96 mm (0.156 in) 42492 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk k RtAn 8Ckt 30 SGold
Datasheet
876In 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) 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 KK 156 Hdr FrLk Peg 04 Ckt Tin
Datasheet
4.537In 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 42491 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 Hdr FrLk R/A Peg 08 Ckt SGold
Datasheet
1.545In 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) Gold 42892 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK TERM 22-30 AWG REEL of 10000
Datasheet
Product Comments
70.000In Stock
Min.: 10.000
Mult.: 10.000
Reel: 10.000

Contacts Crimp Socket (Female) Tin 2759 KK Signal 30 AWG Reel
Molex Headers & Wire Housings 0.062 DIA CHAIN Reel of 7000
Datasheet
Product Comments
35.000In Stock
Min.: 7.000
Mult.: 7.000
Reel: 7.000

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Tin 5005 KK 24 AWG to 18 AWG - 40 C + 105 C Reel
Molex Headers & Wire Housings KK 156 PCB Assy Top 08 Ckts Tin
Datasheet
1.506In Stock
Min.: 1
Mult.: 1

Headers Receptacle 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 3.05 mm (0.12 in) 41815 KK - 40 C + 80 C
Molex Headers & Wire Housings KK 156 PCB Assy Bott 11 Ckts Tin
Datasheet
2.156In Stock
Min.: 1
Mult.: 1

Headers Receptacle 11 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 - 40 C + 80 C
Molex Headers & Wire Housings 5 POS RECEPT .156 BOTTOM PCB GOLD
Datasheet
1.588In Stock
Min.: 1
Mult.: 1

Headers Receptacle 5 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Gold 3.18 mm (0.125 in) 41815 KK - 40 C + 80 C Tray