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 (EUR) 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 PCB Assy Btm 20 Ckt Tin
Datasheet
440In Stock
Min.: 1
Mult.: 1

Headers Receptacle 20 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 2.54MM BREAKAWAY RA 5 CKT Gold
Datasheet
1.528In 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) Gold 6.2 mm (0.244 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 15CKT RA HDR
Datasheet
2.455In Stock
Min.: 1
Mult.: 1

Headers Breakaway 15 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 3.96mm KK Hdr Vt Pol Pol-W RPin VrA 3Ckt
Datasheet
Product Comments
2.597In Stock
Min.: 1
Mult.: 1

Headers Shrouded 3 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 3190 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 100 PCB Assy Top Assy Top 08 Ckt Tin
Datasheet
810In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 8 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 TERM 18-20AWG CUT STRIP OF 100
Datasheet
Product Comments
3.400In Stock
Min.: 100
Mult.: 100

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 45570 KK Wire-to-Board, Power 20 AWG to 18 AWG Cut Tape
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 09 Ckt Tin T&R
Datasheet
1.459In Stock
Min.: 1
Mult.: 1
: 1.050

Headers Locking 9 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert07 Ckt 15Au T&R
Datasheet
817In Stock
Min.: 1
Mult.: 1
: 1.050

Headers Locking 7 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.44 mm (0.293 in) 2.34 mm (0.092 in) 171856 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings 2.54mm KK Hdr RA FricLK .5Au 10Ckt
Datasheet
884In Stock
Min.: 1
Mult.: 1

Headers Locking 10 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 6.71 mm (0.264 in) 3.8 mm (0.15 in) 7395 KK Bulk
Molex Headers & Wire Housings KK 100 Hdr FrLk Vert 19 Ckt Tin
Datasheet
1.488In Stock
Min.: 1
Mult.: 1

Headers Locking 19 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 14.22 mm (0.56 in) 3.96 mm (0.156 in) 6373 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 18 CKT Gold
Datasheet
983In Stock
Min.: 1
Mult.: 1

Headers Breakaway 18 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 6.09 mm (0.24 in) 3.18 mm (0.125 in) 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 100 Hdr Flat Vert Flat Vert Tin 12Ckt
Datasheet
3.104In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 12 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 5.79 mm (0.228 in) 2.84 mm (0.112 in) 4030 KK
Molex Headers & Wire Housings KK 156 Header Assy F rLk Break 18 Ckt Ti
Datasheet
527In 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 156 KK Bkwy Hdr RA S Hdr RA SqP Tin 10Ckt
Datasheet
1.431In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 10 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 19.69 mm (0.775 in) 4.62 mm (0.182 in) 41662 KK Board-to-Board, Wire-to-Board, Signal
Molex Headers & Wire Housings KK200 POL WAFER ASS WAFER ASS 2599M07A2
Datasheet
1.490In Stock
Min.: 1
Mult.: 1

Headers Polarized 6 Position 5.08 mm (0.2 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 2599 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings KK 100 Crp Term Shro uded 24-30 Awg SGold
Datasheet
5.000In Stock
Min.: 5.000
Mult.: 5.000
: 5.000

Headers Shrouded 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7879 KK Wire-to-Board, Signal 30 AWG - 40 C + 105 C Reel
Molex Headers & Wire Housings KK Hdr RA 3 Ckt 3.96mm Pitch 15um Au
Datasheet
1.464In Stock
Min.: 1
Mult.: 1

Headers Locking 3 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 11.33 mm (0.446 in) 2.54 mm (0.1 in) 171814 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr RA 4 Ckt 3.96mm Pitch 15um Au
Datasheet
491In 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 11.33 mm (0.446 in) 2.54 mm (0.1 in) 171814 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK 100 Hdr Flat Vert 11CKT TIN
Datasheet
2.890In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 11 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 14.22 mm (0.56 in) 3.81 mm (0.15 in) 4030 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C
Molex Headers & Wire Housings KK 100 Hdr Flat 16 Ckt W/VOID TIN
Datasheet
1.873In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 16 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) 4380 KK - 40 C + 80 C
Molex Headers & Wire Housings KK 100 HDR FRLK RTAN 17 CKT TIN
Datasheet
1.375In Stock
Min.: 1
Mult.: 1

Headers Locking 17 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 6.71 mm (0.264 in) 3.58 mm (0.141 in) 7478 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BOARD CONN Top Entry 9 CKT
Datasheet
1.137In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 9 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Gold 3.35 mm (0.132 in) 4455 KK Board-to-Board, Signal - 40 C + 80 C Tray
Molex Headers & Wire Housings KK 100 Hdr Assy Bkwy Assy Bkwy 05 Ckt Tin
Datasheet
8.418In Stock
Min.: 1
Mult.: 1

Headers Breakaway 5 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
Molex Headers & Wire Housings 2.54MM BREAKAWAY RA 3 CKT Gold
Datasheet
4.242In 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 3.96MM 14P RA HDR BKAWAY SN W/FRN LCK
Datasheet
808In Stock
Min.: 1
Mult.: 1

Headers Breakaway 14 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