Headers & Wire Housings – Mouser Finland

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	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	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Headers & Wire Housings 2.54MM BREAKAWAY Vertical 30 CKT Tin 22-28-4301 Molex 1: 1,24 € 4 876In Stock	Mfr. Part No. 22-28-4301 Mouser Part No 538-22-28-4301	Molex	Headers & Wire Housings 2.54MM BREAKAWAY Vertical 30 CKT Tin Learn More about Molex kk	Datasheet	4 876In Stock	1,24 € 1,14 € 1,11 € 1,07 € View 1,01 € 0,963 € 0,886 € 0,852 € 0,78 €	Min.: 1 Mult.: 1	Headers	Breakaway	30 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin	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
Headers & Wire Housings 3.96mm KK Hdr Vt Pol Pol-W RPin VrA 12Ckt 26-19-2121 Molex 1: 2,24 € 1 527In Stock	Mfr. Part No. 26-19-2121 Mouser Part No 538-26-19-2121	Molex	Headers & Wire Housings 3.96mm KK Hdr Vt Pol Pol-W RPin VrA 12Ckt	Datasheet	1 527In Stock	2,24 € 1,95 € 1,41 € 1,40 € View 1,31 € 1,26 € 1,20 €	Min.: 1 Mult.: 1	Headers	Shrouded	12 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
Headers & Wire Housings KK 156 Hdr FrLk RtAn 08 Ckt Tin 26-64-5080 Molex 1: 0,989 € 5 579In Stock	Mfr. Part No. 26-64-5080 Mouser Part No 538-26-64-5080	Molex	Headers & Wire Housings KK 156 Hdr FrLk RtAn 08 Ckt Tin Learn More about Molex kk	Datasheet	5 579In Stock	0,989 € 0,877 € 0,856 € 0,751 € View 0,726 € 0,676 € 0,64 € 0,632 € 0,591 €	Min.: 1 Mult.: 1	Headers	Locking	8 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin	11.43 mm (0.45 in)	3.96 mm (0.156 in)	42492	KK	Wire-to-Board, Power	- 40 C	+ 80 C	Bulk
Headers & Wire Housings HDR VT 1X15P .156 450/172 SN 26-48-1151 Molex 1: 1,74 € 1 398In Stock	Mfr. Part No. 26-48-1151 Mouser Part No 538-26-48-1151	Molex	Headers & Wire Housings HDR VT 1X15P .156 450/172 SN Learn More about Molex kk	Datasheet	1 398In Stock	1,74 € 1,57 € 0,998 € 0,991 €	Min.: 1 Mult.: 1	Headers	Breakaway	15 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin			41661	KK				Bulk
Headers & Wire Housings 20CKT CRMP TRM HOUSE 09-50-3201 Molex 1: 0,387 € 8 112In Stock	Mfr. Part No. 09-50-3201 Mouser Part No 538-09-50-3201	Molex	Headers & Wire Housings 20CKT CRMP TRM HOUSE Learn More about Molex kk	Datasheet	8 112In Stock	0,387 € 0,354 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	20 Position	3.96 mm (0.156 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)				2139	KK				Bulk
Headers & Wire Housings KK 100 Housing Crimp Pol Ramp 7 Ckt 10-11-2074 Molex 1: 0,335 € 23 173In Stock	Mfr. Part No. 10-11-2074 Mouser Part No 538-10-11-2074	Molex	Headers & Wire Housings KK 100 Housing Crimp Pol Ramp 7 Ckt Learn More about Molex kk	Datasheet	23 173In Stock	0,335 € 0,283 € 0,249 € 0,22 € View 0,198 € 0,167 € 0,146 € 0,144 € 0,116 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	7 Position	2.54 mm (0.1 in)	1 Row	Cable Mount / Free Hanging	Crimp	Straight					7880	KK
Headers & Wire Housings 100 KK Term Crp/Pol Rmp 94V-0 12Ckt 10-11-2124 Molex 1: 0,49 € 11 110In Stock	Mfr. Part No. 10-11-2124 Mouser Part No 538-10-11-2124	Molex	Headers & Wire Housings 100 KK Term Crp/Pol Rmp 94V-0 12Ckt Learn More about Molex kk	Datasheet	11 110In Stock	0,49 € 0,425 € 0,389 € 0,351 € 0,339 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	12 Position	2.54 mm (0.1 in)	1 Row	Cable Mount / Free Hanging	Crimp	Straight	Socket (Female)				7880	KK
Headers & Wire Housings 18P CRIMP RAMP HSNG 10-11-2183 Molex 1: 0,456 € 6 691In Stock	Mfr. Part No. 10-11-2183 Mouser Part No 538-10-11-2183	Molex	Headers & Wire Housings 18P CRIMP RAMP HSNG Learn More about Molex kk	Datasheet	6 691In Stock	0,456 € 0,403 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	18 Position	2.54 mm (0.1 in)	1 Row	Cable Mount / Free Hanging	Crimp	Straight	Socket (Female)				7880	KK High Pressure				Bulk
Headers & Wire Housings KK Hdr Vrt 6 Ckt 3.96mm Pitch Sn 171813-0006 Molex 1: 0,645 € 5 771In Stock	Mfr. Part No. 171813-0006 Mouser Part No 538-171813-0006	Molex	Headers & Wire Housings KK Hdr Vrt 6 Ckt 3.96mm Pitch Sn Learn More about Molex kk 396 rpc headers	Datasheet	5 771In Stock	0,645 € 0,573 € 0,55 € 0,502 € View 0,451 € 0,423 €	Min.: 1 Mult.: 1	Headers	Locking	6 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
Headers & Wire Housings KK Hdr Vrt 8 Ckt 2.54mm Pitch Sn 171856-0008 Molex 1: 0,568 € 9 195In Stock	Mfr. Part No. 171856-0008 Mouser Part No 538-171856-0008	Molex	Headers & Wire Housings KK Hdr Vrt 8 Ckt 2.54mm Pitch Sn Learn More about Molex kk 254 rpc headers	Datasheet	9 195In Stock	0,568 € 0,484 € 0,401 € 0,385 €	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
Headers & Wire Housings KK Hdr Vrt 5 Ckt 2.54mm Pitch 15um Au 171856-1005 Molex 1: 1,01 € 2 752In Stock	Mfr. Part No. 171856-1005 Mouser Part No 538-171856-1005	Molex	Headers & Wire Housings KK Hdr Vrt 5 Ckt 2.54mm Pitch 15um Au Learn More about Molex kk 254 rpc headers	Datasheet	2 752In Stock	1,01 € 0,857 € 0,728 € 0,65 € View 0,593 € 0,561 € 0,544 €	Min.: 1 Mult.: 1	Headers	Locking	5 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Gold	7.44 mm (0.293 in)	2.34 mm (0.092 in)	171856	KK	Wire-to-Board	- 40 C	+ 105 C	Bulk
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 04 Ckt Tin T&R 171856-3004 Molex 1: 1,18 € 4 565In Stock	Mfr. Part No. 171856-3004 Mouser Part No 538-171856-3004	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 04 Ckt Tin T&R Learn More about Molex kk 254 rpc headers	Datasheet	4 565In Stock	Cut Tape 1,18 € Reel 1,18 € 1,16 €	Min.: 1 Mult.: 1 : 150	Headers	Locking	4 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	Reel, Cut Tape
Headers & Wire Housings 8 CKT TERM HOUSING 22-01-2081 Molex 1: 0,241 € 26 262In Stock	Mfr. Part No. 22-01-2081 Mouser Part No 538-22-01-2081	Molex	Headers & Wire Housings 8 CKT TERM HOUSING Learn More about Molex kk	Datasheet	26 262In Stock	0,241 € 0,216 € 0,194 € 0,189 € View 0,182 € 0,17 € 0,167 € 0,165 €	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
Headers & Wire Housings VERT PCB HDR 5P GOLD PLATING 22-10-2051 Molex 1: 0,843 € 3 788In Stock	Mfr. Part No. 22-10-2051 Mouser Part No 538-22-10-2051	Molex	Headers & Wire Housings VERT PCB HDR 5P GOLD PLATING Learn More about Molex kk	Datasheet	3 788In Stock	0,843 € 0,771 € 0,743 € 0,734 € View 0,733 € 0,587 €	Min.: 1 Mult.: 1	Headers	Pin Strip	5 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Gold			4030	KK	Board-to-Board, Wire-to-Board, Signal	- 40 C	+ 80 C	Bulk
Headers & Wire Housings 2.54mm KK HDR RA FRICLK .5AU 12CKT 22-12-4122 Molex 1: 2,07 € 2 040In Stock	Mfr. Part No. 22-12-4122 Mouser Part No 538-22-12-4122	Molex	Headers & Wire Housings 2.54mm KK HDR RA FRICLK .5AU 12CKT	Datasheet	2 040In Stock	2,07 € 1,77 € 1,75 € 1,72 € View 1,38 € 1,31 € 1,24 € 1,17 € 1,15 €	Min.: 1 Mult.: 1	Headers	Locking	12 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
Headers & Wire Housings 8P BOTTOM ENTRY 22-17-2082 Molex 1: 4,02 € 1 136In Stock	Mfr. Part No. 22-17-2082 Mouser Part No 538-22-17-2082	Molex	Headers & Wire Housings 8P BOTTOM ENTRY Learn More about Molex kk	Datasheet	1 136In Stock	4,02 € 3,41 € 2,91 € 2,59 € 2,24 €	Min.: 1 Mult.: 1	Headers	Socket Assembly	8 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Bottom Entry	Socket (Female)	Gold			4455	KK				Tray
Headers & Wire Housings 2.54MM BREAKAWAY Vertical 12 CKT Gold 22-28-4123 Molex 1: 0,808 € 12 890In Stock	Mfr. Part No. 22-28-4123 Mouser Part No 538-22-28-4123	Molex	Headers & Wire Housings 2.54MM BREAKAWAY Vertical 12 CKT Gold Learn More about Molex kk	Datasheet	12 890In Stock	0,808 € 0,704 € 0,686 € 0,612 € View 0,594 € 0,569 €	Min.: 1 Mult.: 1	Headers	Breakaway	12 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Gold	6.09 mm (0.24 in)	3.18 mm (0.125 in)	42375	KK	Board-to-Board, Wire-to-Board, Signal	- 40 C	+ 80 C	Bulk
Headers & Wire Housings 2.54MM BREAKAWAY Vertical 20 CKT Tin 22-28-4200 Molex 1: 0,989 € 8 987In Stock	Mfr. Part No. 22-28-4200 Mouser Part No 538-22-28-4200	Molex	Headers & Wire Housings 2.54MM BREAKAWAY Vertical 20 CKT Tin Learn More about Molex kk	Datasheet	8 987In Stock	0,989 € 0,84 € 0,714 € 0,673 € View 0,636 € 0,569 €	Min.: 1 Mult.: 1	Headers	Breakaway	20 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin			42375	KK	Board-to-Board, Wire-to-Board, Signal	- 40 C	+ 80 C	Bulk
Headers & Wire Housings 2.54MM BREAKAWAY Vertical 22 CKT Tin 22-28-4220 Molex 1: 1,03 € 2 458In Stock	Mfr. Part No. 22-28-4220 Mouser Part No 538-22-28-4220	Molex	Headers & Wire Housings 2.54MM BREAKAWAY Vertical 22 CKT Tin Learn More about Molex kk	Datasheet	2 458In Stock	1,03 € 1,01 € 0,998 € 0,929 € View 0,839 € 0,772 € 0,692 € 0,668 €	Min.: 1 Mult.: 1	Headers	Breakaway	22 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin	6.09 mm (0.24 in)	3.18 mm (0.125 in)	42375	KK	Board-to-Board, Wire-to-Board, Signal	- 40 C	+ 80 C	Bulk
Headers & Wire Housings KK 100 Hdr Assy RA B y RA Bkwy 06 Ckt Tin 22-28-7061 Molex 1: 0,439 € 24 236In Stock	Mfr. Part No. 22-28-7061 Mouser Part No 538-22-28-7061	Molex	Headers & Wire Housings KK 100 Hdr Assy RA B y RA Bkwy 06 Ckt Tin Learn More about Molex kk	Datasheet	24 236In Stock	0,439 € 0,374 € 0,329 € 0,291 € 0,267 €	Min.: 1 Mult.: 1	Headers	Breakaway	6 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin	10.29 mm (0.405 in)	3.43 mm (0.135 in)	42376	KK	Board-to-Board, Wire-to-Board, Signal	- 40 C	+ 80 C	Bulk
Headers & Wire Housings BKWY HDR R/A 3P tin 22-28-8030 Molex 1: 0,224 € 16 726In Stock	Mfr. Part No. 22-28-8030 Mouser Part No 538-22-28-8030	Molex	Headers & Wire Housings BKWY HDR R/A 3P tin Learn More about Molex kk	Datasheet	16 726In Stock	0,224 € 0,187 € 0,166 € 0,144 € View 0,127 € 0,113 € 0,106 € 0,089 € 0,087 €	Min.: 1 Mult.: 1	Headers	Breakaway	3 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin	6.2 mm (0.244 in)	3.05 mm (0.12 in)	42377	KK				Bulk
Headers & Wire Housings 2.54MM BREAKAWAY RA 5 CKT Gold 22-28-8053 Molex 1: 0,585 € 15 105In Stock	Mfr. Part No. 22-28-8053 Mouser Part No 538-22-28-8053	Molex	Headers & Wire Housings 2.54MM BREAKAWAY RA 5 CKT Gold Learn More about Molex kk	Datasheet	15 105In Stock	0,585 € 0,507 € 0,464 € 0,419 € View 0,382 € 0,316 € 0,296 € 0,282 € 0,27 €	Min.: 1 Mult.: 1	Headers	Breakaway	5 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	Board-to-Board, Wire-to-Board, Signal	- 40 C	+ 80 C	Bulk
Headers & Wire Housings 2.54MM BREAKAWAY RA 6 CKT Gold 22-28-8062 Molex 1: 0,774 € 32 519In Stock	Mfr. Part No. 22-28-8062 Mouser Part No 538-22-28-8062	Molex	Headers & Wire Housings 2.54MM BREAKAWAY RA 6 CKT Gold Learn More about Molex kk	Datasheet	32 519In Stock	0,774 € 0,654 € 0,615 € 0,555 € View 0,495 € 0,42 € 0,392 € 0,374 € 0,335 €	Min.: 1 Mult.: 1	Headers	Breakaway	6 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
Headers & Wire Housings 156 Bkwy 3 CKT 26-48-2031 Molex 1: 0,937 € 4 749In Stock	Mfr. Part No. 26-48-2031 Mouser Part No 538-26-48-2031	Molex	Headers & Wire Housings 156 Bkwy 3 CKT Learn More about Molex kk	Datasheet	4 749In Stock	0,937 € 0,795 € 0,762 € 0,714 € View 0,648 € 0,584 € 0,532 € 0,499 € 0,488 €	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
Headers & Wire Housings 3P HEADER GOLD 26-48-2036 Molex 1: 1,42 € 2 694In Stock	Mfr. Part No. 26-48-2036 Mouser Part No 538-26-48-2036	Molex	Headers & Wire Housings 3P HEADER GOLD Learn More about Molex kk	Datasheet	2 694In Stock	1,42 € 1,20 € 1,18 € 1,12 € View 1,06 € 0,946 € 0,894 € 0,886 €	Min.: 1 Mult.: 1	Headers	Breakaway	3 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold	11.43 mm (0.45 in)	5.38 mm (0.212 in)	41672	KK	Wire-to-Board, Power	- 40 C	+ 80 C	Bulk