Headers & Wire Housings

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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 (JPY) 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	Wire Gauge	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Headers & Wire Housings 2.54mm SRSW TH HDR W/O CAP GFLF 1CKT 87891-0101 Molex 1: ¥86.4 7,932In Stock	Mfr. Part # 87891-0101 Mouser Part # 538-87891-0101	Molex	Headers & Wire Housings 2.54mm SRSW TH HDR W/O CAP GFLF 1CKT	Datasheet	7,932In Stock	¥86.4 ¥73.9 ¥67.6 ¥61 View ¥55.8 ¥47 ¥43.9 ¥41.9 ¥38.4	Min.: 1 Mult.: 1			1 Position	2.54 mm (0.1 in)	1 Row		Solder Pin	Straight		Gold			87891	KK			- 55 C	+ 105 C	Tray
Headers & Wire Housings KK TERM 18-20G TRIF Reel of 1000 08-52-0112 (Mouser Reel) Molex 1,000: ¥10.6 66,000In Stock	Mfr. Part # 08-52-0112 (Mouser Reel) Mouser Part # 538-08-52-0112-MR	Molex	Headers & Wire Housings KK TERM 18-20G TRIF Reel of 1000 Learn More about Molex kk	Datasheet	66,000In Stock	Reel ¥10.6	Min.: 1,000 Mult.: 1,000 : 1,000	Contacts					Cable Mount / Free Hanging	Crimp		Socket (Female)	Tin			6838	KK		20 AWG to 18 AWG	- 40 C	+ 105 C	Reel
Headers & Wire Housings SOCKET 22-26AWG BULK 08-65-0122 Molex 1: ¥88 7,355In Stock	Mfr. Part # 08-65-0122 Mouser Part # 538-08-65-0122	Molex	Headers & Wire Housings SOCKET 22-26AWG BULK Learn More about Molex kk	Datasheet	7,355In Stock	¥88 ¥79.6 ¥74.9 ¥72.3 View ¥66.8 ¥64.4 ¥59.6 ¥59.5	Min.: 1 Mult.: 1	Contacts					Cable Mount / Free Hanging	Crimp		Socket (Female)	Gold			7258	KK		26 AWG to 22 AWG	- 40 C	+ 105 C	Bulk
Headers & Wire Housings KK 156 PCB Assy RtAn 07 Ckt Tin 09-48-2071 Molex 1: ¥220.9 2,311In Stock	Mfr. Part # 09-48-2071 Mouser Part # 538-09-48-2071	Molex	Headers & Wire Housings KK 156 PCB Assy RtAn 07 Ckt Tin Learn More about Molex kk	Datasheet	2,311In Stock	¥220.9 ¥187.7 ¥179.4 ¥167.8 View ¥152.3 ¥137.2 ¥121.8 ¥110.5 ¥106.1	Min.: 1 Mult.: 1	Headers	Socket Assembly	7 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Socket (Female)	Tin			41815	KK
Headers & Wire Housings HOUSING 3P 09-48-3036 Molex 1: ¥174.4 5,862In Stock	Mfr. Part # 09-48-3036 Mouser Part # 538-09-48-3036	Molex	Headers & Wire Housings HOUSING 3P Learn More about Molex kk	Datasheet	5,862In Stock	¥174.4 ¥148.2 ¥144.7 ¥113.8 View ¥109.1 ¥95.2 ¥89.4 ¥86.2 ¥84	Min.: 1 Mult.: 1	Headers	Receptacle	3 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Straight	Socket (Female)	Gold		3.05 mm (0.12 in)	41815	KK			- 40 C	+ 80 C	Tray
Headers & Wire Housings 8 POS HEADER .156 SPOX PCB W/ FRLOK 09-65-2088 Molex 1: ¥122.9 10,557In Stock	Mfr. Part # 09-65-2088 Mouser Part # 538-09-65-2088	Molex	Headers & Wire Housings 8 POS HEADER .156 SPOX PCB W/ FRLOK	Datasheet	10,557In Stock	¥122.9 ¥110.1 ¥108.3 ¥99 View ¥93.3 ¥86.7 ¥83.9 ¥78.1 ¥75.7	Min.: 1 Mult.: 1	Headers	Receptacle	8 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
Headers & Wire Housings 9CKT 3.96MM WAFER W/LOCK 527309A 09-65-2098 Molex 1: ¥249.2 3,232In Stock	Mfr. Part # 09-65-2098 Mouser Part # 538-09-65-2098	Molex	Headers & Wire Housings 9CKT 3.96MM WAFER W/LOCK 527309A Learn More about Molex kk	Datasheet	3,232In Stock	¥249.2 ¥212.6 ¥181 ¥179.4 View ¥160.1 ¥145.2 ¥132.7 ¥127.2	Min.: 1 Mult.: 1	Headers	Receptacle	9 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin	10.65 mm (0.419 in)	3.6 mm (0.142 in)	5273	KK, SPOX			- 40 C	+ 105 C
Headers & Wire Housings KK RPC 100 Hdr FrLk Vert03 Ckt 15Au T&R 171856-4003 Molex 1: ¥230.9 2,245In Stock	Mfr. Part # 171856-4003 Mouser Part # 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	2,245In Stock	Cut Tape ¥230.9 ¥202.6 ¥197.7 ¥174.4 Reel ¥151.5 View ¥162.8 ¥155.8 ¥151.3	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: ¥58.1 73,277In Stock	Mfr. Part # 171857-0003 Mouser Part # 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	73,277In Stock	¥58.1 ¥48.8 ¥41.5 ¥37 View ¥35 ¥32.1 ¥31.1 ¥27.4	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: ¥84.7 12,069In Stock	Mfr. Part # 171857-0006 Mouser Part # 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	¥84.7 ¥72.1 ¥61.3 ¥54.5 View ¥49.8 ¥47.8 ¥44.7 ¥42.7	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 HSG 11P W/LKG RAMP 22-01-2117 Molex 1: ¥58.1 15,441In Stock	Mfr. Part # 22-01-2117 Mouser Part # 538-22-01-2117	Molex	Headers & Wire Housings HSG 11P W/LKG RAMP Learn More about Molex kk	Datasheet	15,441In Stock	¥58.1 ¥50.3 ¥46.2 ¥42 View ¥36 ¥30.6	Min.: 1 Mult.: 1	Wire Housings		11 Position	2.54 mm (0.1 in)	1 Row								2695	KK	Wire-to-Board, Signal				Bulk
Headers & Wire Housings 13P HOUSING W/RAMP 22-01-2137 Molex 1: ¥36.5 15,635In Stock	Mfr. Part # 22-01-2137 Mouser Part # 538-22-01-2137	Molex	Headers & Wire Housings 13P HOUSING W/RAMP Learn More about Molex kk	Datasheet	15,635In Stock	¥36.5 ¥36	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	13 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 16 CRT TERM HOUSING 22-01-2161 Molex 1: ¥58.1 9,394In Stock	Mfr. Part # 22-01-2161 Mouser Part # 538-22-01-2161	Molex	Headers & Wire Housings 16 CRT TERM HOUSING Learn More about Molex kk	Datasheet	9,394In Stock	¥58.1 ¥49.3 ¥42 ¥37.5 View ¥35.4 ¥33.2 ¥33.1	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	16 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 HSG 11P W/RAMP/RIBS 22-01-3117 Molex 1: ¥48.2 23,508In Stock	Mfr. Part # 22-01-3117 Mouser Part # 538-22-01-3117	Molex	Headers & Wire Housings HSG 11P W/RAMP/RIBS Learn More about Molex kk	Datasheet	23,508In Stock	¥48.2 ¥42 ¥37.9 ¥34.9 View ¥32.2 ¥30.7 ¥27.4 ¥26.9 ¥26.6	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	11 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 8P TIN PLATING 22-03-2081 Molex 1: ¥112.9 21,983In Stock	Mfr. Part # 22-03-2081 Mouser Part # 538-22-03-2081	Molex	Headers & Wire Housings VERT PCB HDR 8P TIN PLATING Learn More about Molex kk	Datasheet	21,983In Stock	¥112.9 ¥92.7 ¥89.5 ¥80.1 View ¥71.4 ¥66.6 ¥60.6 ¥57.8	Min.: 1 Mult.: 1	Headers	Pin Strip	8 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
Headers & Wire Housings KK 100 Hdr FrLk Vert4-positions: 1,3 w/ contacts; 2,4 void 22-04-5048 Molex 1: ¥73.1 11,370In Stock	Mfr. Part # 22-04-5048 Mouser Part # 538-22-04-5048	Molex	Headers & Wire Housings KK 100 Hdr FrLk Vert4-positions: 1,3 w/ contacts; 2,4 void Learn More about Molex kk	Datasheet	11,370In Stock	¥73.1 ¥61.8 ¥54.3 ¥48 View ¥43 ¥35.2 ¥33.1 ¥32.2 ¥29.2	Min.: 1 Mult.: 1	Headers	Locking	4 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)	6373	KK			- 40 C	+ 80 C
Headers & Wire Housings KK 100 Hdr FrLk Vert 02 Ckt Gold 22-11-2026 Molex 1: ¥54.8 23,007In Stock	Mfr. Part # 22-11-2026 Mouser Part # 538-22-11-2026	Molex	Headers & Wire Housings KK 100 Hdr FrLk Vert 02 Ckt Gold Learn More about Molex kk	Datasheet	23,007In Stock	¥54.8 ¥46.2 ¥39.4 ¥35 View ¥32.9 ¥30.9 ¥29.4 ¥26.2	Min.: 1 Mult.: 1	Headers	Locking	2 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Gold			6373	KK	Wire-to-Board, Signal		- 40 C	+ 80 C
Headers & Wire Housings KK 100 Hdr FrLk Vert 02 Ckt Gold 22-11-2028 Molex 1: ¥108 15,928In Stock	Mfr. Part # 22-11-2028 Mouser Part # 538-22-11-2028	Molex	Headers & Wire Housings KK 100 Hdr FrLk Vert 02 Ckt Gold Learn More about Molex kk	Datasheet	15,928In Stock	¥108 ¥92.7 ¥84.9 ¥76.6 View ¥69.9 ¥59 ¥55.3 ¥52.8 ¥48.5	Min.: 1 Mult.: 1	Headers	Locking	2 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Gold	7.49 mm (0.295 in)	3.56 mm (0.14 in)	6373	KK
Headers & Wire Housings KK 100 Hdr FrLk Vert 06 Ckt Gold 22-11-2066 Molex 1: ¥144.5 7,421In Stock	Mfr. Part # 22-11-2066 Mouser Part # 538-22-11-2066	Molex	Headers & Wire Housings KK 100 Hdr FrLk Vert 06 Ckt Gold Learn More about Molex kk	Datasheet	7,421In Stock	¥144.5 ¥122.6 ¥104.3 ¥104.1 View ¥93 ¥87.2 ¥81.7 ¥74.7	Min.: 1 Mult.: 1	Headers	Locking	6 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Gold	8.08 mm (0.318 in)	4.75 mm (0.187 in)	6373	KK	Wire-to-Board, Signal		- 40 C	+ 80 C
Headers & Wire Housings HEADER R/A 22-12-2164 Molex 1: ¥692.6 1,129In Stock	Mfr. Part # 22-12-2164 Mouser Part # 538-22-12-2164	Molex	Headers & Wire Housings HEADER R/A Learn More about Molex kk	Datasheet	1,129In Stock	¥692.6 ¥639.5 ¥626.2 ¥619.6 View ¥584.7 ¥556.4 ¥546.5 ¥531.5	Min.: 1 Mult.: 1	Headers	Locking	16 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
Headers & Wire Housings 2.54MM BOARD CONN Top Entry 8 CKT 22-18-2081 Molex 1: ¥242.5 3,901In Stock	Mfr. Part # 22-18-2081 Mouser Part # 538-22-18-2081	Molex	Headers & Wire Housings 2.54MM BOARD CONN Top Entry 8 CKT Learn More about Molex kk	Datasheet	3,901In Stock	¥242.5 ¥215.9 ¥212.6 ¥196 View ¥187.7 ¥176.1 ¥160.5 ¥159.1 ¥148	Min.: 1 Mult.: 1	Headers	Socket Assembly	8 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Socket (Female)	Gold			4455	KK					Tray
Headers & Wire Housings 2.54MM HDR VT 4P 240/125 30AU 22-28-4046 Molex 1: ¥98 14,228In Stock	Mfr. Part # 22-28-4046 Mouser Part # 538-22-28-4046	Molex	Headers & Wire Housings 2.54MM HDR VT 4P 240/125 30AU Learn More about Molex kk	Datasheet	14,228In Stock	¥98 ¥83.9 ¥71.4 ¥62.1 View ¥55.5 ¥53.7 ¥50 ¥46.7	Min.: 1 Mult.: 1	Headers	Breakaway	4 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Gold	6.09 mm (0.24 in)	3.05 mm (0.12 in)	42375	KK	Board-to-Board, Wire-to-Board, Signal		- 40 C	+ 80 C	Bulk
Headers & Wire Housings 2.54MM HDR VT 10P 295/120 SN 22-28-4102 Molex 1: ¥117.9 5,411In Stock	Mfr. Part # 22-28-4102 Mouser Part # 538-22-28-4102	Molex	Headers & Wire Housings 2.54MM HDR VT 10P 295/120 SN Learn More about Molex kk	Datasheet	5,411In Stock	¥117.9 ¥102 ¥93.2 ¥84 View ¥76.7 ¥63.6 ¥59.6 ¥56.8 ¥54	Min.: 1 Mult.: 1	Headers	Breakaway	10 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin	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
Headers & Wire Housings 2.54MM BREAKAWAY Vertical 11 CKT Tin 22-28-4110 Molex 1: ¥89.7 9,113In Stock	Mfr. Part # 22-28-4110 Mouser Part # 538-22-28-4110	Molex	Headers & Wire Housings 2.54MM BREAKAWAY Vertical 11 CKT Tin Learn More about Molex kk	Datasheet	9,113In Stock	¥89.7 ¥80.6 ¥78.1 ¥71.8 View ¥67.3 ¥62.8 ¥60.1 ¥58.8	Min.: 1 Mult.: 1	Headers	Breakaway	11 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 36P 1 ROW VERT HDR 22-28-4360 Molex 1: ¥186 8,046In Stock	Mfr. Part # 22-28-4360 Mouser Part # 538-22-28-4360	Molex	Headers & Wire Housings 36P 1 ROW VERT HDR Learn More about Molex kk	Datasheet	8,046In Stock	¥186 ¥165.6 ¥161.4 ¥146.7 View ¥144.2 ¥137.4 ¥127.2	Min.: 1 Mult.: 1	Headers	Breakaway	36 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