Headers & Wire Housings – Mouser United Kingdom

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KK 254 RPC Headers

Molex KK 254 Reflow Process Compatible (RPC) Connector System supports a lead-free solder process and delivers up to 5A and 250V per circuit in a 2.54mm pitch package. KK 254 headers are designed to support RoHS lead-free initiatives. Designed with a nylon housing, the wire-to-board system can withstand temperatures up to +260°C. Molex KK 254 series connectors are ideal for use in industries such as automotive, medical, and consumer.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 KK Hdr Vrt 8 Ckt 2.54mm Pitch Sn 171856-0008 Molex 1: £0.496 9,445In 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	9,445In Stock	£0.496 £0.423 £0.36 £0.32 View £0.311 £0.299 £0.286 £0.259	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 RPC 100 Hdr FrLk Vert02 Ckt 15Au T&R 171856-4002 Molex 1: £1.42 2,075In Stock	Mfr. Part No. 171856-4002 Mouser Part No 538-171856-4002	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert02 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	2,075In Stock	Cut Tape £1.42 £1.25 £1.20 £1.11 Reel £0.751 View £1.00 £0.925 £0.718	Min.: 1 Mult.: 1 : 1,050	Headers	Locking	2 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	Reel, Cut Tape
Headers & Wire Housings KK Hdr Vrt 8 Ckt 2.54mm Pitch 15um Au 171856-1008 Molex 1: £1.32 1,919In Stock	Mfr. Part No. 171856-1008 Mouser Part No 538-171856-1008	Molex	Headers & Wire Housings KK Hdr Vrt 8 Ckt 2.54mm Pitch 15um Au Learn More about Molex kk 254 rpc headers	Datasheet	1,919In Stock	£1.32 £1.13 £0.96 £0.856 View £0.803 £0.78 £0.723	Min.: 1 Mult.: 1	Headers	Locking	8 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 Hdr Vrt 5 Ckt 2.54mm Pitch 15um Au 171856-1005 Molex 1: £0.751 2,765In 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	2,765In Stock	£0.751 £0.656 £0.645 £0.595 View £0.573 £0.53 £0.499 £0.49 £0.475	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: £0.995 4,568In 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	4,568In Stock	Cut Tape £0.995 Reel £0.995	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 KK RPC 100 Hdr FrLk R/A 02 Ckt Tin T&R 171857-3002 Molex 1: £0.428 18,602In Stock	Mfr. Part No. 171857-3002 Mouser Part No 538-171857-3002	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 02 Ckt Tin T&R Learn More about Molex kk 254 rpc headers	Datasheet	18,602In Stock	Cut Tape £0.428 £0.363 £0.309 £0.265 Reel £0.244 View £0.25 £0.235 £0.234	Min.: 1 Mult.: 1 : 3,300	Headers	Locking	2 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
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert03 Ckt 15Au T&R 171856-4003 Molex 1: £1.05 2,260In Stock	Mfr. Part No. 171856-4003 Mouser Part No 538-171856-4003	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert03 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	2,260In Stock	Cut Tape £1.05 £0.917 £0.89 £0.788 View Reel £0.684 £0.736 £0.705 £0.684	Min.: 1 Mult.: 1 : 1,050	Headers	Locking	3 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	Reel, Cut Tape
Headers & Wire Housings KK Hdr RA 3 Ckt 2.54mm Pitch Sn 171857-0003 Molex 1: £0.263 74,887In Stock	Mfr. Part No. 171857-0003 Mouser Part No 538-171857-0003	Molex	Headers & Wire Housings KK Hdr RA 3 Ckt 2.54mm Pitch Sn Learn More about Molex kk 254 rpc headers	Datasheet	74,887In Stock	£0.263 £0.221 £0.188 £0.168 View £0.158 £0.145 £0.141 £0.124	Min.: 1 Mult.: 1	Headers	Locking	3 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
Headers & Wire Housings KK Hdr RA 6 Ckt 2.54mm Pitch Sn 171857-0006 Molex 1: £0.383 12,069In Stock	Mfr. Part No. 171857-0006 Mouser Part No 538-171857-0006	Molex	Headers & Wire Housings KK Hdr RA 6 Ckt 2.54mm Pitch Sn Learn More about Molex kk 254 rpc headers	Datasheet	12,069In Stock	£0.383 £0.326 £0.277 £0.248 View £0.23 £0.223 £0.208 £0.193	Min.: 1 Mult.: 1	Headers	Locking	6 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
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 02 Ckt Tin 171856-0102 Molex 1: £0.217 20,282In Stock	Mfr. Part No. 171856-0102 Mouser Part No 538-171856-0102	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 02 Ckt Tin	Datasheet	20,282In Stock	£0.217 £0.182 £0.155 £0.14	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
Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 04 Ckt Tin T&R 171857-3004 Molex 1: £0.465 11,552In Stock	Mfr. Part No. 171857-3004 Mouser Part No 538-171857-3004	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 04 Ckt Tin T&R	Datasheet	11,552In Stock	Cut Tape £0.465 £0.40 £0.367 £0.33 Reel £0.245 View £0.277 £0.261 £0.21 £0.198	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
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert06 Ckt 15Au T&R 171856-4006 Molex 1: £1.83 955In Stock	Mfr. Part No. 171856-4006 Mouser Part No 538-171856-4006	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert06 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	955In Stock	Cut Tape £1.83 £1.60 £1.53 £1.43 Reel £1.06 View £1.30 £1.20 £0.986 £0.943	Min.: 1 Mult.: 1 : 1,050	Headers	Locking	6 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	Reel, Cut Tape
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 5Ckt Tin 171856-0105 Molex 1: £0.346 5,513In Stock	Mfr. Part No. 171856-0105 Mouser Part No 538-171856-0105	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 5Ckt Tin	Datasheet	5,513In Stock	£0.346 £0.293 £0.25 £0.223 View £0.203 £0.199	Min.: 1 Mult.: 1	Headers	Locking	5 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
Headers & Wire Housings KK Hdr RA 12 Ckt 2.54mm Pitch Sn 171857-0012 Molex 1: £0.743 1,887In Stock	Mfr. Part No. 171857-0012 Mouser Part No 538-171857-0012	Molex	Headers & Wire Housings KK Hdr RA 12 Ckt 2.54mm Pitch Sn Learn More about Molex kk 254 rpc headers	Datasheet	1,887In Stock	£0.743 £0.65 £0.624 £0.584 View £0.531 £0.478 £0.435 £0.42 £0.404	Min.: 1 Mult.: 1	Headers	Locking	12 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
Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 10 Ckt 15Au T&R 171857-4010 Molex 1: £2.23 2,982In Stock	Mfr. Part No. 171857-4010 Mouser Part No 538-171857-4010	Molex	Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 10 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	2,982In Stock	Cut Tape £2.23 £2.03 £1.92 £1.79 Reel £1.26 View £1.56 £1.52 £1.35 £1.20	Min.: 1 Mult.: 1 : 2,100	Headers	Locking	10 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		2.54 mm (0.1 in)	171857	KK	Wire-to-Board	- 40 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 07 Ckt 15Au T&R 171857-4007 Molex 1: £1.80 1,843In Stock	Mfr. Part No. 171857-4007 Mouser Part No 538-171857-4007	Molex	Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 07 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	1,843In Stock	Cut Tape £1.80 £1.56 £1.50 £1.40 Reel £0.969 View £1.27 £1.16 £1.04 £0.871	Min.: 1 Mult.: 1 : 2,700	Headers	Locking	7 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		2.54 mm (0.1 in)	171857	KK	Wire-to-Board	- 40 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings KK Hdr RA 8 Ckt 2.54mm Pitch Sn 171857-0008 Molex 1: £0.518 2,884In Stock	Mfr. Part No. 171857-0008 Mouser Part No 538-171857-0008	Molex	Headers & Wire Housings KK Hdr RA 8 Ckt 2.54mm Pitch Sn Learn More about Molex kk 254 rpc headers	Datasheet	2,884In Stock	£0.518 £0.47 £0.457 £0.426 View £0.383 £0.331 £0.301 £0.291 £0.282	Min.: 1 Mult.: 1	Headers	Locking	8 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
Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 12 Ckt Tin T&R 171857-3012 Molex 1: £1.05 8,400In Stock	Mfr. Part No. 171857-3012 Mouser Part No 538-171857-3012	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk R/A 12 Ckt Tin T&R Learn More about Molex kk 254 rpc headers	Datasheet	8,400In Stock	Cut Tape £1.05 £0.89 £0.856 £0.803 View Reel £0.583 £0.726 £0.653 £0.583 £0.583	Min.: 1 Mult.: 1 : 2,100	Headers	Locking	12 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin		2.54 mm (0.1 in)	171857	KK	Wire-to-Board	- 40 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings KK Hdr Vrt 9 Ckt 2.54mm Pitch 15um Au 171856-1009 Molex 1: £1.41 8,460In Stock	Mfr. Part No. 171856-1009 Mouser Part No 538-171856-1009	Molex	Headers & Wire Housings KK Hdr Vrt 9 Ckt 2.54mm Pitch 15um Au Learn More about Molex kk 254 rpc headers	Datasheet	8,460In Stock	£1.41 £1.20 £1.10 £1.05 View £0.943 £0.871 £0.818 £0.719	Min.: 1 Mult.: 1	Headers	Locking	9 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 Hdr Vrt 10 Ckt 2.54mm Pitch 15um Au 171856-1010 Molex 1: £1.59 5,511In Stock	Mfr. Part No. 171856-1010 Mouser Part No 538-171856-1010	Molex	Headers & Wire Housings KK Hdr Vrt 10 Ckt 2.54mm Pitch 15um Au Learn More about Molex kk 254 rpc headers	Datasheet	5,511In Stock	Cut Tape £1.59 £1.36 £1.22 £1.13 Reel £0.925 View £1.08 £1.00 £0.943 £0.917	Min.: 1 Mult.: 1 : 2,850	Headers	Locking	10 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	Reel, Cut Tape
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 02 Ckt Tin T&R 171856-3002 Molex 1: £0.676 2,437In Stock	Mfr. Part No. 171856-3002 Mouser Part No 538-171856-3002	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 02 Ckt Tin T&R Learn More about Molex kk 254 rpc headers	Datasheet	2,437In Stock	Cut Tape £0.676 £0.572 £0.557 Reel £0.557	Min.: 1 Mult.: 1 : 1,050	Headers	Locking	2 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 KK RPC 254 Hdr FrLk R/A 06 Ckt 15Au T&R 171857-4006 Molex 1: £1.40 1,820In Stock	Mfr. Part No. 171857-4006 Mouser Part No 538-171857-4006	Molex	Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 06 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	1,820In Stock	Cut Tape £1.40 £1.20 £1.01 £0.943 Reel £0.796 View £0.871 £0.818 £0.794	Min.: 1 Mult.: 1 : 2,700	Headers	Locking	6 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		2.54 mm (0.1 in)	171857	KK	Wire-to-Board	- 40 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 12 Ckt 15Au T&R 171857-4012 Molex 1: £2.03 2,019In Stock Factory Special Order	Mfr. Part No. 171857-4012 Mouser Part No 538-171857-4012 Factory Special Order	Molex	Headers & Wire Housings KK RPC 254 Hdr FrLk R/A 12 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	2,019In Stock	Cut Tape £2.03 £1.85 £1.75 £1.63 Reel View £1.42 £1.39 £1.15 £1.07 £1.05	Min.: 1 Mult.: 1 : 2,100	Headers	Locking	12 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		2.54 mm (0.1 in)	171857	KK	Wire-to-Board	- 40 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 09 Ckt Tin T&R 171856-3009 Molex 1: £1.05 1,459In Stock	Mfr. Part No. 171856-3009 Mouser Part No 538-171856-3009	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 09 Ckt Tin T&R Learn More about Molex kk 254 rpc headers	Datasheet	1,459In Stock	Cut Tape £1.05 £0.917 £0.882 £0.863 Reel £0.863	Min.: 1 Mult.: 1 : 1,050	Headers	Locking	9 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 KK RPC 100 Hdr FrLk Vert07 Ckt 15Au T&R 171856-4007 Molex 1: £1.75 817In Stock	Mfr. Part No. 171856-4007 Mouser Part No 538-171856-4007	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert07 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	817In Stock	Cut Tape £1.75 £1.52 £1.46 £1.36 Reel £1.00 View £1.23 £1.13 £0.934 £0.899	Min.: 1 Mult.: 1 : 1,050	Headers	Locking	7 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	Reel, Cut Tape

KK 254 RPC Headers

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