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 Hdr Vrt 5 Ckt 3.96mm Pitch Sn
Datasheet
13.965In Stock
Min.: 1
Mult.: 1

Headers Locking 5 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 11.38 mm (0.448 in) 2.37 mm (0.093 in) 171813 KK Wire-to-Board - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK Hdr RA 4 Ckt 2.54mm Pitch Sn
Datasheet
18.015In Stock
Min.: 1
Mult.: 1

Headers Locking 4 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 2.5MM 7P FEM HSG FRICTION LOCK
Datasheet
7.558In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 7 Position 2.5 mm (0.098 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 5051 KK Wire-to-Board, Signal - 40 C + 105 C Bulk
Molex Headers & Wire Housings 2.5MM 8P FEM HSG FRICTION LOCK
Datasheet
8.019In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 8 Position 2.5 mm (0.098 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 5051 KK - 40 C + 105 C Bulk
Molex Headers & Wire Housings HSG 3P WITH LKG RAMP
Datasheet
31.043In Stock
49.800On Order
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 3 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings HSG 8P WITH LKG RAMP
Datasheet
23.180In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 8 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings HSG 5P W/RAMP/RIBS
Datasheet
38.569In Stock
35.000Expected 11/9/2026
Min.: 1
Mult.: 1

Wire Housings 5 Position 2.54 mm (0.1 in) 1 Row 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings HSG 6P W/RAMP/RIBS
Datasheet
32.948In Stock
30.000Expected 10/29/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 6 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings HSG 10P W/RAMP/RIBS
Datasheet
23.133In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 10 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings HSG 12P W/RAMP/RIBS
Datasheet
5.562In Stock
16.000Expected 10/12/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 12 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings STRT HDR ASSY 6P
Datasheet
8.619In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 6 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 4030 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C
Molex Headers & Wire Housings R/A PCB HDR 4P TIN FRICTION LOCK
Datasheet
87.567In Stock
Min.: 1
Mult.: 1

Headers Locking 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 3.58 mm (0.141 in) 7478 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings R/A PCB HDR 5P TIN FRICTION LOCK
Datasheet
4.651In Stock
11.400Expected 11/30/2026
Min.: 1
Mult.: 1

Headers Locking 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 3.58 mm (0.141 in) 7478 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK2.5MM FL WAF.ASS. GOLD 504502AG
Datasheet
39.732In Stock
Min.: 1
Mult.: 1

Headers Locking 2 Position 2.5 mm (0.098 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.5 mm (0.295 in) 3.4 mm (0.134 in) 5045 Mini-Latch/KK Wire-to-Board, Signal - 40 C + 105 C Bulk
Molex Headers & Wire Housings KK2.5MM FL WAF.ASS. GOLD 504505AG
Datasheet
9.356In Stock
Min.: 1
Mult.: 1

Headers Locking 5 Position 2.5 mm (0.098 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.5 mm (0.295 in) 3.4 mm (0.134 in) 5045 Mini-Latch/KK Wire-to-Board, Signal - 40 C + 105 C Bulk
Molex Headers & Wire Housings 2.50 MM VERT HDR
Datasheet
2.212In Stock
Min.: 1
Mult.: 1

Headers Locking 6 Position 2.5 mm (0.098 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.5 mm (0.295 in) 3.4 mm (0.134 in) 5045 Mini-Latch/KK Wire-to-Board, Signal - 40 C + 105 C Bulk
Molex Headers & Wire Housings VERT PCB HDR 8P GOLD FRICTION LOCK
Datasheet
14.890In Stock
Min.: 1
Mult.: 1

Headers Locking 8 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 6373 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings HDR VERTICAL 20P
Datasheet
515In Stock
Min.: 1
Mult.: 1

Headers Locking 20 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.49 mm (0.295 in) 3.56 mm (0.14 in) 6373 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2P RIGHT ANGLE HEADR
Datasheet
4.713In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 4094 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 4CKT HEADER
Datasheet
4.942In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 4 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 PCB R/A 5P tin
Datasheet
4.713In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 5 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 RA PCB HDR 5P
Datasheet
4.506In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 5 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Gold 3.35 mm (0.132 in) 4455 KK Board-to-Board, Signal - 40 C + 80 C Tray
Molex Headers & Wire Housings VERT PCB HDR 3P TIN FRICTION LOCK
Datasheet
34.571In Stock
111.925On Order
Min.: 1
Mult.: 1

Headers Locking 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6373 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings VERT PCB HDR 6P TIN FRICTION LOCK
Datasheet
33.751In Stock
Min.: 1
Mult.: 1

Headers Locking 6 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6373 KK Bulk
Molex Headers & Wire Housings 16 POS STRAIT FRICT LOCK HEADER
Datasheet
4.426In Stock
Min.: 1
Mult.: 1

Headers Locking 16 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6373 KK Wire-to-Board, Signal - 40 C + 80 C Bulk