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
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 3POS RT ANG PCB CON
Datasheet
6,347In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Tin 3.35 mm (0.132 in) 4455 KK Board-to-Board, Signal - 40 C + 80 C Tray
Molex Headers & Wire Housings 8P BOTTOM ENTRY
Datasheet
1,251In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Bottom Entry Socket (Female) Gold 4455 KK Tray
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 3 CKT Tin
Datasheet
35,535In 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 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 5 CKT Tin
Datasheet
21,889In 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) 3.05 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 RA B Bkwy 02 Ckt 30 SGold
Datasheet
22,612In 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) Gold 42377 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings BKWY HDR R/A 3P tin
Datasheet
17,780In 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) Tin 6.2 mm (0.244 in) 3.05 mm (0.12 in) 42377 KK Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY RA 5 CKT Gold
Datasheet
15,436In 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 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 2.54 MM KK PCB CONN 16CKT
Datasheet
908In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 16 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Bottom Entry Socket (Female) Tin 3.3 mm (0.13 in) 4455 KK Board-to-Board, Signal - 40 C + 105 C Tray
Molex Headers & Wire Housings HDR VT 1X02P.156 450/172 15AU
Datasheet
10,036In Stock
Min.: 1
Mult.: 1

Headers Breakaway 2 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 03 ckt 30 SAu
Datasheet
5,471In Stock
Min.: 1
Mult.: 1

Headers Breakaway 3 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 PCB Assy Top 03 Ckts Tin
Datasheet
4,324In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 3 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 + 105 C
Molex Headers & Wire Housings 10CKT BKWY HDR
Datasheet
6,884In Stock
Min.: 1
Mult.: 1

Headers Breakaway 10 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 42375 KK - 40 C + 105 C
Molex Headers & Wire Housings KK 100 Hdr Assy Bkw 02 Ckt 15 SGold
Datasheet
26,487In 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 5.89 mm (0.232 in) 3.89 mm (0.153 in) 42375 KK - 40 C + 105 C

Molex Headers & Wire Housings KK TERM 18-24G Cut Strip of 100
Datasheet
Product Comments
43,000In Stock
Min.: 100
Mult.: 100

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Tin 2478 KK Wire-to-Board, Power 24 AWG to 18 AWG - 40 C + 80 C Cut Tape
Molex Headers & Wire Housings KK TERM 18-24G Reel of 7000
Datasheet
Product Comments
56,000In Stock
Min.: 7,000
Mult.: 7,000
Reel: 7,000

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 2478 KK Power 24 AWG to 18 AWG - 40 C + 85 C Reel
Molex Headers & Wire Housings TERMINAL 18-22 BULK
Datasheet
Product Comments
14,007In Stock
Min.: 1
Mult.: 1

Contacts Cable Mount / Free Hanging Crimp Socket (Female) Gold 2478 KK 24 AWG to 18 AWG - 40 C + 85 C Bulk
Molex Headers & Wire Housings 5.08MM 2P VERT HDR W/POLAR BACKWL
Datasheet
5,013In Stock
Min.: 1
Mult.: 1

Headers Shrouded 2 Position 5.08 mm (0.2 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 2599 KK Bulk
Molex Headers & Wire Housings 5.08MM 3P VERT HDR W/POLAR BACKWL
Datasheet
8,154In Stock
Min.: 1
Mult.: 1

Headers Shrouded 3 Position 5.08 mm (0.2 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.4 mm (0.449 in) 4.45 mm (0.175 in) 2599 KK Bulk
Molex Headers & Wire Housings 11P HOUSING HIGH PRESSURE
Datasheet
9,557In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 11 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 7880 KK High Pressure Bulk
Molex Headers & Wire Housings KK RPC 156 Hdr FrLk 4Ckt Tin
Datasheet
8,190In Stock
Min.: 1
Mult.: 1

Headers Locking 4 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) 171813 KK - 40 C + 105 C
Molex Headers & Wire Housings KK Hdr RA 5 Ckt 3.96mm Pitch Sn
Datasheet
10,772In Stock
Min.: 1
Mult.: 1

Headers Locking 5 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 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 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 Hdr RA 2 Ckt 2.54mm Pitch 15um Au
Datasheet
35,985In Stock
Min.: 1
Mult.: 1

Headers Locking 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 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 RPC 100 Hdr FrLk R/A 02 Ckt Tin T&R
Datasheet
18,738In Stock
Min.: 1
Mult.: 1
Reel: 3,300

Headers Locking 2 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 Reel, Cut Tape
Molex Headers & Wire Housings 9C TERM HSG 94V-0
Datasheet
21,567In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 9 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2695 KK Wire-to-Board, Signal Bulk