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 (DKK) 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 Assy RA B Bkwy 03 Ckt 30 SGold
Datasheet
8.808In 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 42377 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
11.149In 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 13 Ckt
Datasheet
3.077In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 13 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 4P GOLD SQUARE PIN
Datasheet
6.075In 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 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 R/A B/A HDR 5P GOLD SQUARE PIN
Datasheet
2.682In Stock
Min.: 1
Mult.: 1

Headers Breakaway 5 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 R/A B/A HDR 10 GOLD SQUARE PIN
Datasheet
1.583In Stock
Min.: 1
Mult.: 1

Headers Breakaway 10 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 Bulk
Molex Headers & Wire Housings 156 KK Bkwy Hdr Polz r Polz SqP Tin 24Ckt
Datasheet
1.682In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 24 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 Tin Hdr Assy Tin 08 Ckt
Datasheet
3.293In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 32.97 mm (1.298 in) 3.35 mm (0.132 in) 41771 KK Board-to-Board, Wire-to-Board, Power - 40 C + 80 C
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk Assy FrLk 04 Ckt Tin
Datasheet
7.111In Stock
Min.: 1
Mult.: 1

Headers Shrouded 4 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 VERT PCB HDR 7P GOLD FRICTION LOCK
Datasheet
2.906In Stock
Min.: 1
Mult.: 1

Headers Locking 7 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 Bulk
Molex Headers & Wire Housings KK .156 HDR 18P VT AU
Datasheet
223In Stock
Min.: 1
Mult.: 1

Headers Locking 18 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
4.293In 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 WAFER ASSY FR/LK .10 ER ASSY FR/LK .100IN
Datasheet
6.136In 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 3.6 mm (0.142 in) 6410 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 HDR ASSY RTAN BKWY 5 CKT TIN
Datasheet
3.400In Stock
Min.: 1
Mult.: 1

Headers Breakaway 5 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 41662 KK
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk k Bkwy 05 ckt 15 SAu
Datasheet
2.226In 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 Bulk
Molex Headers & Wire Housings KK 156 Hdr Assy FrLk k Bkwy 09 ckt 15 SAu
Datasheet
1.530In 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 Hdr Assy FrLk k RtAn 4Ckt 30 SGol
Datasheet
3.794In Stock
Min.: 1
Mult.: 1

Headers Locking 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) 3.96 mm (0.156 in) 41792 KK Wire-to-Board, Power - 40 C + 80 C Bulk

Molex Headers & Wire Housings KK 100 Hdr FrLk Vert 08 Ckt Tin
Datasheet
2.781In Stock
Min.: 1
Mult.: 1

Headers Shrouded 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.26 mm (0.286 in) 7.34 mm (0.289 in) 6373 KK Wire-to-Board, Signal - 40 C + 105 C
Molex Headers & Wire Housings CRIMP TERMINAL HSG KK 5.08MM WITH RAMP
Datasheet
14.557In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 2 Position 5.08 mm (0.2 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 91813 KK Wire-to-Board, Power 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 HSG 9P W/LKG RAMP UL94V-0
Datasheet
4.987In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 9 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 41695 KK Wire-to-Board, Power Bulk
Molex Headers & Wire Housings KK Hdr Vrt 11 Ckt 3.96mm Pitch 15um Au
Datasheet
3.535In 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 11.38 mm (0.448 in) 2.37 mm (0.093 in) 171813 KK Wire-to-Board - 40 C + 105 C Bulk