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
Mounting Style
Termination Style
Mounting Angle
Contact Gender
Contact Plating
Mating Post Length
Termination Post Length
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Wire Gauge
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Packaging
Molex Headers & Wire Housings 4 POS RECEPT .156 TOP PCB TIN
Datasheet
2,883In Stock
Min.: 1
Mult.: 1

Headers Receptacle 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 41815 KK - 40 C + 105 C Tray
Molex Headers & Wire Housings 4 POS RECEPT .156 BOTTOM PCB TIN
Datasheet
458In Stock
Min.: 1
Mult.: 1

Headers Receptacle 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Socket (Female) Tin 41815 KK - 40 C + 105 C Tray
Molex Headers & Wire Housings 6 POS RECEPT .156 TOP PCB TIN
Datasheet
1,468In Stock
Min.: 1
Mult.: 1

Headers Receptacle 6 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 41815 KK - 40 C + 105 C Tray
Molex Headers & Wire Housings 7 POS RECEPT .156 TOP PCB TIN
Datasheet
1,469In Stock
Min.: 1
Mult.: 1

Headers Receptacle 7 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 41815 KK - 40 C + 105 C Tray
Molex Headers & Wire Housings 8 POS RECEPT .156 TOP PCB TIN
Datasheet
2In Stock
450Expected 16/9/2026
Min.: 1
Mult.: 1

Headers Receptacle 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 41815 KK - 40 C + 105 C Tray
Molex Headers & Wire Housings 12 POS RECEPT .156 TOP PCB TIN
Datasheet
270In Stock
Min.: 1
Mult.: 1

Headers Receptacle 12 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 41815 KK - 40 C + 105 C Tray
Molex Headers & Wire Housings KK 156 PCB Assy RtAn 04 Ckts Gold
Datasheet
520In Stock
Min.: 1
Mult.: 1

Headers Receptacle 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Gold 3.68 mm (0.145 in) 41815 KK - 40 C + 105 C
Molex Headers & Wire Housings HSG 4P W/LKG RAMP UL94V-2
Datasheet
20,569In Stock
24,000Expected 22/10/2026
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) 2139 KK Bulk
Molex Headers & Wire Housings HSG 12P W/LKG RAMP UL94V-2
Datasheet
5,317In Stock
6,000Expected 20/11/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 12 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings 15 PIN TERMINAL.
Datasheet
3,337In Stock
2,800Expected 8/10/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 15 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings CRIMP TERM HS 16POS
Datasheet
265In Stock
500Expected 9/9/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 16 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings 156 KK Term Hsg W/ Ramp Nylon 17Ckt
Datasheet
106In Stock
400Expected 4/12/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 17 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings 18 CKT CRIMP HOUSING locking ramp
Datasheet
393In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 18 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 2139 KK Bulk
Molex Headers & Wire Housings HSG 6P W/LKG RAMP UL94V-0
Datasheet
13,874In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 6 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 7P W/LKG RAMP UL94V-0
Datasheet
2,024In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 7 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 9P W/LKG RAMP UL94V-0
Datasheet
3,194In 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 HSG 10P W/RAMP/RIBS
Datasheet
6,294In Stock
10,000Expected 27/11/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 10 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 12P W/LKG RAMP UL94V-0
Datasheet
82In Stock
5,969Expected 5/10/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 12 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 12P W/RAMP/RIBS
Datasheet
5,016In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 12 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 .156KK W/RAMP
Datasheet
624In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 14 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 HOUSING KK .156IN GWT 5 CKT
Datasheet
4,272In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 5 Position 3.96 mm (0.156 in) 1 Row Cable Mount / Free Hanging Crimp Socket (Female) 3069 KK Wire-to-Board, Power Bulk
Molex Headers & Wire Housings CRIMP TERMINAL HSG 4 .200 KK
Datasheet
12,563In Stock
30,000Expected 22/9/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 4 Position 5.08 mm (0.2 in) 1 Row Cable Mount / Free Hanging 3001 KK Bulk
Molex Headers & Wire Housings 5.08MM CRIMP HSG 7P
Datasheet
984In Stock
900Expected 10/9/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 7 Position 5.08 mm (0.2 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 3001 KK - 40 C + 105 C Bulk
Molex Headers & Wire Housings 5.08MM 8P TERM HSG
Datasheet
454In Stock
700Expected 10/9/2026
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 8 Position 5.08 mm (0.2 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 3001 KK - 40 C + 105 C Bulk
Molex Headers & Wire Housings .200 KK HOUSING
Datasheet
578In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 9 Position 5.08 mm (0.2 in) 1 Row Cable Mount / Free Hanging Crimp Straight Socket (Female) 3001 KK - 40 C + 105 C Bulk