Headers & Wire Housings – Mouser Switzerland

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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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RoHS Compliant

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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 RPC 100 Hdr FrLk Vert02 Ckt 15Au T&R 171856-4002 Molex 1: 1.53 CHF 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 1.53 CHF 1.34 CHF 1.28 CHF 1.19 CHF Reel 0.802 CHF View 1.08 CHF 0.992 CHF 0.778 CHF 0.757 CHF	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 RPC 100 Hdr FrLk Vert03 Ckt 15Au T&R 171856-4003 Molex 1: 0.992 CHF 2 224In 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 224In Stock	Cut Tape 0.992 CHF 0.973 CHF Reel 0.973 CHF	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 6 Ckt 2.54mm Pitch Sn 171857-0006 Molex 1: 0.411 CHF 11 969In 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	11 969In Stock	0.411 CHF 0.349 CHF 0.297 CHF 0.255 CHF	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 Hdr Vrt 8 Ckt 2.54mm Pitch Sn 171856-0008 Molex 1: 0.532 CHF 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	0.532 CHF 0.453 CHF 0.364 CHF 0.36 CHF	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: 0.945 CHF 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	0.945 CHF 0.802 CHF 0.801 CHF 0.681 CHF View 0.68 CHF 0.607 CHF 0.555 CHF 0.525 CHF 0.509 CHF	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: 1.10 CHF 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 1.10 CHF Reel 1.10 CHF 1.09 CHF	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: 0.459 CHF 9 557In 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	9 557In Stock	Cut Tape 0.459 CHF 0.389 CHF 0.331 CHF 0.283 CHF 0.261 CHF Reel 0.247 CHF	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 Vert 02 Ckt Tin 171856-0102 Molex 1: 0.233 CHF 20 171In 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 171In Stock	0.233 CHF 0.199 CHF	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: 0.499 CHF 11 542In 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 542In Stock	Cut Tape 0.499 CHF 0.429 CHF 0.393 CHF 0.354 CHF View Reel 0.274 CHF 0.283 CHF 0.274 CHF 0.274 CHF	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 Hdr RA 10 Ckt 2.54mm Pitch Sn 171857-0010 Molex 1: 0.885 CHF 1 805In Stock	Mfr. Part No. 171857-0010 Mouser Part No 538-171857-0010	Molex	Headers & Wire Housings KK Hdr RA 10 Ckt 2.54mm Pitch Sn Learn More about Molex kk 254 rpc headers	Datasheet	1 805In Stock	0.885 CHF 0.748 CHF 0.717 CHF 0.672 CHF View 0.611 CHF 0.549 CHF 0.50 CHF 0.465 CHF	Min.: 1 Mult.: 1	Headers	Locking	10 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 Vrt 9 Ckt 2.54mm Pitch 15um Au 171856-1009 Molex 1: 1.52 CHF 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	1.52 CHF 1.29 CHF 1.13 CHF 1.11 CHF View 1.00 CHF 0.934 CHF 0.877 CHF 0.771 CHF	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: 1.70 CHF 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 1.70 CHF 1.46 CHF 1.24 CHF 1.13 CHF View Reel 0.964 CHF 1.11 CHF 1.04 CHF 0.992 CHF 0.964 CHF	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: 0.796 CHF 2 432In 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 432In Stock	Cut Tape 0.796 CHF Reel 0.796 CHF	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 07 Ckt 15Au T&R 171857-4007 Molex 1: 1.93 CHF 1 608In 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 608In Stock	Cut Tape 1.93 CHF 1.68 CHF 1.61 CHF 1.50 CHF View Reel 1.19 CHF 1.36 CHF 1.24 CHF 1.19 CHF 1.19 CHF	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 RPC 100 Hdr FrLk Vert 5Ckt Tin 171856-0105 Molex 1: 0.371 CHF 5 503In 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 503In Stock	0.371 CHF 0.314 CHF 0.285 CHF	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 Vrt 8 Ckt 2.54mm Pitch 15um Au 171856-1008 Molex 1: 1.41 CHF 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	1.41 CHF 1.21 CHF 1.03 CHF 1.02 CHF View 0.917 CHF 0.861 CHF 0.837 CHF 0.775 CHF	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 RA 12 Ckt 2.54mm Pitch Sn 171857-0012 Molex 1: 0.781 CHF 1 886In 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 886In Stock	0.781 CHF 0.697 CHF 0.669 CHF 0.626 CHF View 0.569 CHF 0.565 CHF 0.547 CHF	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: 2.39 CHF 2 752In 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 752In Stock	Cut Tape 2.39 CHF 2.17 CHF 2.06 CHF 1.92 CHF View Reel 1.61 CHF 1.68 CHF 1.63 CHF 1.61 CHF 1.61 CHF	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 Hdr RA 8 Ckt 2.54mm Pitch Sn 171857-0008 Molex 1: 0.532 CHF 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	0.532 CHF 0.486 CHF 0.483 CHF 0.451 CHF View 0.407 CHF 0.354 CHF 0.352 CHF	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: 1.12 CHF 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 1.12 CHF 0.955 CHF 0.917 CHF 0.861 CHF 0.834 CHF Reel 0.834 CHF	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 RPC 254 Hdr FrLk R/A 06 Ckt 15Au T&R 171857-4006 Molex 1: 1.50 CHF 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 1.50 CHF 1.28 CHF 1.13 CHF Reel 1.13 CHF	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: 2.18 CHF 2 018In 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 018In Stock	Cut Tape 2.18 CHF 1.98 CHF 1.87 CHF 1.75 CHF View Reel 1.12 CHF 1.53 CHF 1.49 CHF 1.24 CHF 1.12 CHF	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 Vert08 Ckt 15Au T&R 171856-4008 Molex 1: 1.93 CHF 587In Stock	Mfr. Part No. 171856-4008 Mouser Part No 538-171856-4008	Molex	Headers & Wire Housings KK RPC 100 Hdr FrLk Vert08 Ckt 15Au T&R Learn More about Molex kk 254 rpc headers	Datasheet	587In Stock	Cut Tape 1.93 CHF 1.68 CHF 1.61 CHF 1.51 CHF Reel 1.10 CHF View 1.36 CHF 1.26 CHF 1.04 CHF 1.00 CHF	Min.: 1 Mult.: 1 : 1 050	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	Reel, Cut Tape
Headers & Wire Housings KK Hdr RA 6 Ckt 2.54mm Pitch 15um Au 171857-1006 Molex 1: 1.35 CHF 1 155In Stock	Mfr. Part No. 171857-1006 Mouser Part No 538-171857-1006	Molex	Headers & Wire Housings KK Hdr RA 6 Ckt 2.54mm Pitch 15um Au Learn More about Molex kk 254 rpc headers	Datasheet	1 155In Stock	1.35 CHF 1.18 CHF 0.964 CHF 0.885 CHF View 0.861 CHF 0.80 CHF 0.773 CHF 0.687 CHF 0.672 CHF	Min.: 1 Mult.: 1	Headers	Locking	6 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
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert 09 Ckt Tin T&R 171856-3009 Molex 1: 1.23 CHF 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 1.23 CHF Reel 1.23 CHF	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

KK 254 RPC Headers

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