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 36P 1 ROW VERT HDR
Datasheet
764In 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 Bkwy Assy Bkwy 03 Ckt Tin
Datasheet
19.002In Stock
Min.: 1
Mult.: 1

Headers Breakaway 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.49 mm (0.295 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 KK 100 Hdr Assy RA B y RA Bkwy 05 Ckt Tin
Datasheet
8.970In 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 7 CKT Tin
Datasheet
15.416In 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) Tin 8.23 mm (0.324 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 08 Ckt 30 SGold
Datasheet
4.892In Stock
Min.: 1
Mult.: 1

Headers Breakaway 8 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 Bkwy 03 Ckt 15 SGold
Datasheet
24.871In 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) Gold 8.23 mm (0.324 in) 3.43 mm (0.135 in) 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
9.945In 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 KK 156 Crimp Housing Housing Ramp 21 Ckt
Datasheet
2.906In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 21 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 R/A B/A HDR 8P TIN FRICTION LOCK
Datasheet
1.307In 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) Tin 41672 KK Wire-to-Board, Power - 40 C + 80 C Bulk
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 KK 156 Hdr Assy Flat at Bkwy 24 ckt 20 Au
Datasheet
512In 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 .156 KK HEADER
Datasheet
2.275In 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 FrLk Peg 06 Ckt Tin
Datasheet
2.007In Stock
Min.: 1
Mult.: 1

Headers Locking 6 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
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
3.363In 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
2.098In 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 4CKT VERT HDR FRICITON LOCK
Datasheet
4.936In 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 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
6.874In 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 TRIFURCON TERMINAL 22-26A REEL OF 7000
Datasheet
Product Comments
7.000In Stock
Min.: 7.000
Mult.: 7.000
Reel: 7.000

Contacts Crimp Socket (Female) Gold 7258 KK Wire-to-Board, Power 26 AWG Reel
Molex Headers & Wire Housings 2 POS RECEPT .156 R/A PCB GOLD
Datasheet
3.250In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Gold 41815 KK Tray
Molex Headers & Wire Housings KK Hdr RA 8 Ckt 2.54mm Pitch Sn
Datasheet
3.126In Stock
Min.: 1
Mult.: 1

Headers Locking 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 6.73 mm (0.265 in) 2.54 mm (0.1 in) 171857 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK 100 PCB Assy Top 06 Ckt Tin
Datasheet
2.841In Stock
Min.: 1
Mult.: 1

Headers Receptacle 6 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 3.35 mm (0.132 in) 4455 KK Board-to-Board, Signal - 40 C + 80 C Tray