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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Termination Post Length
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Packaging
Molex Headers & Wire Housings REELED TERMINALS Reel of 7000
Datasheet
Product Comments
49,000In Stock
Min.: 7,000
Mult.: 7,000
Reel: 7,000

Contacts Crimp Socket (Female) Gold 4809 KK Wire-to-Board, Signal 30 AWG Reel
Molex Headers & Wire Housings KK Hdr RA 2 Ckt 2.54mm Pitch 15um Au
Datasheet
36,035In 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 8P RT ANGLE PCB
Datasheet
1,776In Stock
Min.: 1
Mult.: 1

Headers Receptacle 8 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Gold 41815 KK - 40 C + 80 C Tray
Molex Headers & Wire Housings 7 POS RECEPT .156 TOP PCB TIN
Datasheet
1,694In 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 HSG 7P W/RAMP/RIBS
Datasheet
14,976In Stock
Min.: 1
Mult.: 1

Wire Housings 7 Position 3.96 mm (0.156 in) 1 Row Crimp 41695 KK Wire-to-Board, Power Bulk
Molex Headers & Wire Housings KK2.5MM FL WAF.ASS. GOLD 504505AG
Datasheet
12,012In 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 2.54MM BREAKAWAY Vertical 20 CKT Gold
Datasheet
2,942In Stock
Min.: 1
Mult.: 1

Headers Breakaway 20 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 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 VERT B/A HDR 2P TIN FRICTION LOCK
Datasheet
29,108In Stock
Min.: 1
Mult.: 1

Headers Breakaway 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 41671 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 4CKT HEADER
Datasheet
6,635In 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 3 POS PCB RECEPTACLE
Datasheet
5,544In Stock
Min.: 1
Mult.: 1

Headers Receptacle 3 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Socket (Female) Gold 41815 KK - 40 C + 80 C Tray
Molex Headers & Wire Housings 7 PIN HOUSING
Datasheet
26,453In Stock
Min.: 1
Mult.: 1

Wire Housings Receptacle Housing 7 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 2.54mm KK Hdr RA FricLK .5Au 8Ckt
Datasheet
2,852In 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) Gold 6.71 mm (0.264 in) 3.8 mm (0.15 in) 7395 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 2.54MM BREAKAWAY Vertical 28 CKT Gold
Datasheet
2,465In Stock
Min.: 1
Mult.: 1

Headers Breakaway 28 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 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 RA 14 CKT Gold
Datasheet
4,594In Stock
Min.: 1
Mult.: 1

Headers Breakaway 14 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 10P 1-ROW R/A RECPT
Datasheet
1,079In Stock
Min.: 1
Mult.: 1

Headers Receptacle 10 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Tin 41815 KK - 40 C + 105 C Tray
Molex Headers & Wire Housings 3.96MM CRIMP HOUSING 12 POS
Datasheet
7,125In 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 2.5MM 8P FEM HSG FRICTION LOCK
Datasheet
11,281In 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 12P STRAIGHT HEADER
Datasheet
1,164In Stock
Min.: 1
Mult.: 1

Headers Breakaway 12 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
Molex Headers & Wire Housings 12 POS RECEPT .156 BOTTOM PCB TIN
Datasheet
2,112In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 12 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Bottom Entry Socket (Female) Tin 41815 KK Tray
Molex Headers & Wire Housings 2.54MM BREAKAWAY RA 20 CKT Tin
Datasheet
2,097In Stock
Min.: 1
Mult.: 1

Headers Breakaway 20 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
Molex Headers & Wire Housings KK 100 PCB Assy RtAn 18 Ckt Tin
Datasheet
2,268In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 18 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Socket (Female) Tin 3.3 mm (0.13 in) 4455 KK Board-to-Board, Signal - 40 C + 105 C Tray
Molex Headers & Wire Housings KK Hdr Vrt 8 Ckt 2.54mm Pitch Sn
Datasheet
11,071In Stock
Min.: 1
Mult.: 1

Headers Locking 8 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 Bulk
Molex Headers & Wire Housings HEADER 15POS .100 R/A GOLD
Datasheet
3,404In 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) 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
Molex Headers & Wire Housings R/A B/A HDR 12P TIN SQUARE PIN
Datasheet
1,909In Stock
Min.: 1
Mult.: 1

Headers Breakaway 12 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Tin 14.55 mm (0.573 in) 4.67 mm (0.184 in) 41662 KK Bulk
Molex Headers & Wire Housings 156 Bkwy 3 CKT
Datasheet
4,911In 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) 41661 KK Wire-to-Board, Power - 40 C + 80 C Bulk