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
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Number of Rows
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Termination Style
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Mating Post Length
Termination Post Length
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Molex Headers & Wire Housings .156 KK PCB CONNECTO
Datasheet
2,484In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Bottom Entry Socket (Female) Tin 3.18 mm (0.125 in) 41815 KK Tray
Molex Headers & Wire Housings KK 156 PCB Assy Top 08 Ckts Gold
Datasheet
1,514In Stock
Min.: 1
Mult.: 1

Headers Receptacle 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Gold 3.05 mm (0.12 in) 41815 KK - 40 C + 105 C
Molex Headers & Wire Housings HSG 3P W/LKG RAMP UL94V-2
Datasheet
57,586In Stock
75,000Expected 5/10/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 3 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp 2139 KK Bulk
Molex Headers & Wire Housings HSG 2P W/LKG RAMP UL94V-0
Datasheet
21,556In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 2 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 HSG 3P W/LKG RAMP UL94V-0
Datasheet
27,047In Stock
71,500On Order
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 3 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 HSG 3P W/RAMP/RIBS
Datasheet
Product Comments
26,008In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 3 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 HSG 4P W/LKG RAMP UL94V-0
Datasheet
Product Comments
29,591In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 4 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 13P LK TERM HOUSING
Datasheet
8,148In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 13 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 HDR SPOX VERTICAL 2P
Datasheet
19,705In Stock
Min.: 1
Mult.: 1

Headers Receptacle 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 5273 KK, SPOX - 40 C + 105 C Bulk
Molex Headers & Wire Housings HOUSING KK .156IN GWT 4 ckt
Datasheet
8,596In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 4 Position 3.96 mm (0.156 in) 1 Row 3069 KK Wire-to-Board, Power Bulk
Molex Headers & Wire Housings CRIMP HOUSING 3P polarizing ramp
Datasheet
20,931In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 3 Position 2.54 mm (0.1 in) 1 Row Cable Mount / Free Hanging Crimp Straight 7880 KK Bulk
Molex Headers & Wire Housings KK Hdr Vrt 5 Ckt 3.96mm Pitch Sn
Datasheet
13,955In 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
17,659In 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
7,305In 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
8,017In 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 2P WITH LKG RAMP
Datasheet
66,383In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 2 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 3P WITH LKG RAMP
Datasheet
39,713In Stock
40,000Expected 18/11/2026
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 5P W/RAMP/RIBS
Datasheet
37,766In Stock
35,000Expected 12/11/2026
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
32,800In Stock
30,000Expected 29/10/2026
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
21,697In 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
5,542In Stock
16,000Expected 12/10/2026
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 16 CRT HOUSING
Datasheet
15,252In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 16 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 3P TIN PLATING
Datasheet
30,329In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 3 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 4094 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings R/A PCB HDR 4P TIN FRICTION LOCK
Datasheet
87,183In 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