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 (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
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Number of Positions
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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 2.54MM BREAKAWAY RA 9 CKT Gold
Datasheet
3,602In Stock
Min.: 1
Mult.: 1

Headers Breakaway 9 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
Molex Headers & Wire Housings KK 100 Hdr Assy RA B Bkwy 03 Ckt 15 SGold
Datasheet
22,891In 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) Gold 8.23 mm (0.324 in) 3.43 mm (0.135 in) 42377 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings 3.96 MM KK VERT HDR
Datasheet
3,714In Stock
Min.: 1
Mult.: 1

Headers Shrouded 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 4.45 mm (0.175 in) 3190 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 10P F/LK HEADER
Datasheet
633In Stock
Min.: 1
Mult.: 1

Headers Breakaway 10 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 KK 156 Hdr Assy Flat Flat Bkwy 24 ckt Tin
Datasheet
928In Stock
Min.: 1
Mult.: 1

Headers Unshrouded 24 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 32.56 mm (1.282 in) 3.81 mm (0.15 in) 41661 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings VERT SOLID HDR 15P friction lock
Datasheet
2,105In Stock
Min.: 1
Mult.: 1

Headers Locking 15 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 11.43 mm (0.45 in) 3.56 mm (0.14 in) 41791 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 6P HEADER GOLD
Datasheet
2,498In Stock
Min.: 1
Mult.: 1

Headers Locking 6 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 11.43 mm (0.45 in) 3.96 mm (0.156 in) 41792 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings 4CKT VERT HDR FRICITON LOCK
Datasheet
4,152In Stock
Min.: 1
Mult.: 1

Headers Locking 4 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 11.43 mm (0.45 in) 3.56 mm (0.14 in) 41791 KK Wire-to-Board, Power - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 156 PCB Assy Bott y Bottom 02 Ckt Tin
Datasheet
6,245In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Straight Socket (Female) Tin 3.18 mm (0.125 in) 41815 KK
Molex Headers & Wire Housings 3CKT BRKWY HDR
Datasheet
22,276In 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 42375 KK - 40 C + 105 C

Molex Headers & Wire Housings 2CKT VERT HDR
Datasheet
11,030In Stock
Min.: 1
Mult.: 1

Headers Shrouded 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.26 mm (0.286 in) 7.34 mm (0.289 in) 6373 KK Wire-to-Board, Signal - 40 C + 105 C
Molex Headers & Wire Housings KK 156 PCB Assy RtAn 13 Ckt Gold
Datasheet
1,353In Stock
Min.: 1
Mult.: 1

Headers Receptacle 13 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 CRIMP TERM HSG 10P offset pin entry
Datasheet
8,158In Stock
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 7 POS HEADER .156 SPOX PCB W/ FRLOK
Datasheet
11,965In Stock
Min.: 1
Mult.: 1

Headers Locking 7 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 KK Hdr RA 2 Ckt 3.96mm Pitch Sn
Datasheet
6,472In Stock
Min.: 1
Mult.: 1

Headers Locking 2 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 RPC 156 Hdr Assy FL RA 02Ckt 15Au T&R
Datasheet
2,105In Stock
Min.: 1
Mult.: 1
: 840

Headers Locking 2 Position 3.96 mm (0.156 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 11.33 mm (0.446 in) 2.54 mm (0.1 in) 171814 KK Wire-to-Board - 40 C + 105 C Reel, Cut Tape
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 02 Ckt Tin
Datasheet
20,436In Stock
Min.: 1
Mult.: 1

Headers Locking 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 7.49 mm (0.295 in) 3.56 mm (0.14 in) 171856 KK Wire-to-Board, Wire-to-Wire, Power, Signal - 40 C + 105 C
Molex Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 04 Ckt Tin T&R
Datasheet
11,934In Stock
Min.: 1
Mult.: 1
: 3,300

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 Reel, Cut Tape
Molex Headers & Wire Housings 10 CKT TERM HOUSING
Datasheet
16,614In Stock
Min.: 1
Mult.: 1

Wire Housings 10 Position 2.54 mm (0.1 in) 1 Row 2695 KK Wire-to-Board, Signal Bulk
Molex Headers & Wire Housings VERT PCB HDR 4P TIN PLATING
Datasheet
65,893In Stock
Min.: 1
Mult.: 1

Headers Pin Strip 4 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 Bulk
Molex Headers & Wire Housings KK 100 HDR FRLK RTAN 17 CKT GOLD
Datasheet
836In Stock
Min.: 1
Mult.: 1

Headers Locking 17 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Right Angle Pin (Male) Gold 6.71 mm (0.264 in) 3.58 mm (0.141 in) 7478 KK Wire-to-Board, Signal - 40 C + 80 C Bulk
Molex Headers & Wire Housings KK 100 PCB Assy RtAn 20 Ckt Tin
Datasheet
881In Stock
Min.: 1
Mult.: 1

Headers Socket Assembly 20 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 KK 100 Hdr FrLk Vert 02 Ckt Tin
Datasheet
15,814In Stock
Min.: 1
Mult.: 1

Headers Locking 2 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6373 KK Bulk
Molex Headers & Wire Housings BKWY HDR STR 4P 15AU
Datasheet
14,023In Stock
Min.: 1
Mult.: 1

Headers Breakaway 4 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Gold 7.49 mm (0.295 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 7P VERT HEADER Sn
Datasheet
49,051In Stock
Min.: 1
Mult.: 1

Headers Breakaway 7 Position 2.54 mm (0.1 in) 1 Row Through Hole Solder Pin Straight Pin (Male) Tin 6.09 mm (0.24 in) 42375 KK Board-to-Board, Wire-to-Board, Signal - 40 C + 80 C Bulk