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 3.96 MM KK VERT HDR 41791-0833 Molex 1: ¥199.3 5,936In Stock	Mfr. Part # 41791-0833 Mouser Part # 538-41791-0833	Molex	Headers & Wire Housings 3.96 MM KK VERT HDR Learn More about Molex kk	Datasheet	5,936In Stock	¥199.3 ¥169.4 ¥164.1 ¥141.4 View ¥141 ¥123.1 ¥117.3 ¥114.8 ¥94	Min.: 1 Mult.: 1	Headers	Locking	3 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
Headers & Wire Housings KK CE TERM 22-28 FEM Reel of 12000 08-70-0064 Molex 12,000: ¥8.5 24,000In Stock	Mfr. Part # 08-70-0064 Mouser Part # 538-08-70-0064	Molex	Headers & Wire Housings KK CE TERM 22-28 FEM Reel of 12000	Datasheet	24,000In Stock	Reel ¥8.5 ¥7 ¥6.6	Min.: 12,000 Mult.: 12,000 : 12,000	Contacts					Cable Mount / Free Hanging	Crimp		Socket (Female)	Tin			5159	KK		28 AWG to 22 AWG	- 40 C	+ 105 C	Reel
Headers & Wire Housings 7 POS RECEPT .156 TOP PCB TIN 09-48-4078 Molex 1: ¥239.2 1,269In Stock	Mfr. Part # 09-48-4078 Mouser Part # 538-09-48-4078	Molex	Headers & Wire Housings 7 POS RECEPT .156 TOP PCB TIN Learn More about Molex kk	Datasheet	1,269In Stock	¥239.2 ¥217.6 ¥201 ¥174.4 View ¥171.1 ¥121.3	Min.: 1 Mult.: 1	Headers	Receptacle	7 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Straight	Socket (Female)	Tin			41815	KK			- 40 C	+ 105 C	Tray
Headers & Wire Housings PCB RECPT 8P W/HOOKS TOP ENTRY 22-02-2085 Molex 1: ¥210.9 1,534In Stock	Mfr. Part # 22-02-2085 Mouser Part # 538-22-02-2085	Molex	Headers & Wire Housings PCB RECPT 8P W/HOOKS TOP ENTRY Learn More about Molex kk	Datasheet	1,534In Stock	¥210.9 ¥177.7 ¥129.9 ¥127.9 View ¥117.8 ¥110 ¥104	Min.: 1 Mult.: 1	Headers	Receptacle	8 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Socket (Female)	Tin		3.35 mm (0.132 in)	4455	KK	Board-to-Board, Signal		- 40 C	+ 80 C	Tray
Headers & Wire Housings KK 2.54mm CRP TERM 22-30A CUT STRP/100 08-65-0105 (Cut Strip) Molex 100: ¥35.2 6,800In Stock	Mfr. Part # 08-65-0105 (Cut Strip) Mouser Part # 538-08-65-0105-CT	Molex	Headers & Wire Housings KK 2.54mm CRP TERM 22-30A CUT STRP/100 Learn More about Molex kk	Datasheet	6,800In Stock	¥35.2	Min.: 100 Mult.: 100	Contacts					Cable Mount / Free Hanging	Crimp		Socket (Female)	Gold			8088	KK		30 AWG to 22 AWG	- 40 C	+ 105 C	Cut Tape
Headers & Wire Housings 15 CKT R/A F/L HDR 22-05-3151 Molex 1: ¥202.6 1,637In Stock	Mfr. Part # 22-05-3151 Mouser Part # 538-22-05-3151	Molex	Headers & Wire Housings 15 CKT R/A F/L HDR Learn More about Molex kk	Datasheet	1,637In Stock	¥202.6 ¥182.7 ¥174.4 ¥167.8 View ¥166.1 ¥160 ¥151.5 ¥139.4	Min.: 1 Mult.: 1	Headers	Locking	15 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin	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 Bottom Entry 3 CKT 22-17-3032 Molex 1: ¥68.1 5,418In Stock	Mfr. Part # 22-17-3032 Mouser Part # 538-22-17-3032	Molex	Headers & Wire Housings 2.54MM BOARD CONN Bottom Entry 3 CKT Learn More about Molex kk	Datasheet	5,418In Stock	¥68.1 ¥58.6 ¥57.5 ¥52.5 View ¥49.2 ¥48	Min.: 1 Mult.: 1	Headers	Socket Assembly	3 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Bottom Entry	Socket (Female)	Gold		3.35 mm (0.132 in)	4455	KK	Board-to-Board, Signal		- 40 C	+ 80 C	Tray
Headers & Wire Housings PCB BOTTOM ENTRY 12P 22-17-3122 Molex 1: ¥463.4 435In Stock	Mfr. Part # 22-17-3122 Mouser Part # 538-22-17-3122	Molex	Headers & Wire Housings PCB BOTTOM ENTRY 12P Learn More about Molex kk	Datasheet	435In Stock	¥463.4 ¥393.7 ¥340.5 ¥317.3 View ¥297.3 ¥284 ¥277.4 ¥257.5	Min.: 1 Mult.: 1	Headers	Socket Assembly	12 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Bottom Entry	Socket (Female)	Gold		3.35 mm (0.132 in)	4455	KK	Board-to-Board, Signal		- 40 C	+ 80 C	Tray
Headers & Wire Housings KK .156 HDR 18P VT AU 26-61-4180 Molex 1: ¥999.9 217In Stock	Mfr. Part # 26-61-4180 Mouser Part # 538-26-61-4180	Molex	Headers & Wire Housings KK .156 HDR 18P VT AU Learn More about Molex kk	Datasheet	217In Stock	¥999.9 ¥905.2 ¥900.3 ¥850.4 View ¥787.3 ¥735.8	Min.: 1 Mult.: 1	Headers	Locking	18 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
Headers & Wire Housings KK 156 Crimp Housing Housing Ramp 16 Ckt 26-03-4161 Molex 1: ¥101.3 3,544In Stock	Mfr. Part # 26-03-4161 Mouser Part # 538-26-03-4161	Molex	Headers & Wire Housings KK 156 Crimp Housing Housing Ramp 16 Ckt Learn More about Molex kk	Datasheet	3,544In Stock	¥101.3 ¥100 ¥99.8 ¥32.9	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	16 Position	3.96 mm (0.156 in)	1 Row	Cable Mount / Free Hanging	Crimp	Straight	Socket (Female)				6442	KK	Wire-to-Board, Power		- 40 C	+ 80 C	Bulk
Headers & Wire Housings R/A B/A HDR 7P TIN SQUARE PIN 26-48-1072 Molex 1: ¥189.4 3,000In Stock	Mfr. Part # 26-48-1072 Mouser Part # 538-26-48-1072	Molex	Headers & Wire Housings R/A B/A HDR 7P TIN SQUARE PIN Learn More about Molex kk	Datasheet	3,000In Stock	¥189.4 ¥179.4 ¥163.1 ¥146.7 View ¥133.5 ¥125.1 ¥93.8	Min.: 1 Mult.: 1	Headers	Breakaway	7 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin	14.55 mm (0.573 in)	4.95 mm (0.195 in)	41662	KK					Bulk
Headers & Wire Housings 2.54MM SRSW TH W/O CAP 6CKT 87891-0606 Molex 1: ¥144.5 3,522In Stock	Mfr. Part # 87891-0606 Mouser Part # 538-87891-0606	Molex	Headers & Wire Housings 2.54MM SRSW TH W/O CAP 6CKT	Datasheet	3,522In Stock	¥144.5 ¥124.7 ¥114.1 ¥102.8 View ¥94 ¥77.7 ¥72.8 ¥62.1 ¥61.5	Min.: 1 Mult.: 1	Headers	Breakaway	6 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin	5.84 mm (0.23 in)	2.97 mm (0.117 in)	87891	KK	Board-to-Board, Wire-to-Board, Signal		- 55 C	+ 105 C	Tray
Headers & Wire Housings KK 156 PCB Assy Top 06 Ckts Tin 09-48-2063 Molex 1: ¥247.5 777In Stock	Mfr. Part # 09-48-2063 Mouser Part # 538-09-48-2063	Molex	Headers & Wire Housings KK 156 PCB Assy Top 06 Ckts Tin Learn More about Molex kk	Datasheet	777In Stock	¥247.5 ¥127.7 ¥123.7 ¥121.1	Min.: 1 Mult.: 1	Headers	Receptacle	6 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Straight	Socket (Female)	Tin		3.05 mm (0.12 in)	41815	KK			- 40 C	+ 80 C
Headers & Wire Housings .156 KK HEADER 26-64-5050 Molex 1: ¥162.8 1,677In Stock	Mfr. Part # 26-64-5050 Mouser Part # 538-26-64-5050	Molex	Headers & Wire Housings .156 KK HEADER Learn More about Molex kk	Datasheet	1,677In Stock	¥162.8 ¥90.4 ¥78.1 ¥76.4	Min.: 1 Mult.: 1	Headers	Locking	5 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 CRIMP TERM 18-22AWG 08-52-0131 Molex 7,000: ¥11.6 14,000In Stock	Mfr. Part # 08-52-0131 Mouser Part # 538-08-52-0131	Molex	Headers & Wire Housings CRIMP TERM 18-22AWG Learn More about Molex kk	Datasheet	14,000In Stock	Reel ¥11.6 ¥11.1	Min.: 7,000 Mult.: 7,000 : 7,000	Contacts					Cable Mount / Free Hanging	Crimp		Socket (Female)	Tin			8818	KK		22 AWG to 18 AWG	- 40 C	+ 105 C	Reel
Headers & Wire Housings 9P TERM HOUSING 09-50-7091 Molex 1: ¥39.9 11,320In Stock	Mfr. Part # 09-50-7091 Mouser Part # 538-09-50-7091	Molex	Headers & Wire Housings 9P TERM HOUSING Learn More about Molex kk	Datasheet	11,320In Stock	¥39.9 ¥35 ¥34.9	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	9 Position	3.96 mm (0.156 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)				2139	KK					Bulk
Headers & Wire Housings HOUSING 20 POSITION 09-50-7201 Molex 1: ¥84.7 6,093In Stock	Mfr. Part # 09-50-7201 Mouser Part # 538-09-50-7201	Molex	Headers & Wire Housings HOUSING 20 POSITION Learn More about Molex kk	Datasheet	6,093In Stock	¥84.7 ¥84.2 ¥38.9	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 HDR STRT RND PIN 5P 10-08-1051 Molex 1: ¥111.3 2,570In Stock	Mfr. Part # 10-08-1051 Mouser Part # 538-10-08-1051	Molex	Headers & Wire Housings HDR STRT RND PIN 5P Learn More about Molex kk	Datasheet	2,570In Stock	¥111.3 ¥94.7 ¥92.2 ¥66.1 View ¥62.1 ¥60.8 ¥58	Min.: 1 Mult.: 1	Headers	Unshrouded	5 Position	5.08 mm (0.2 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin			3003	KK					Bulk
Headers & Wire Housings 6CKT RA PCB CONN 22-16-2060 Molex 1: ¥214.3 1,643In Stock	Mfr. Part # 22-16-2060 Mouser Part # 538-22-16-2060	Molex	Headers & Wire Housings 6CKT RA PCB CONN Learn More about Molex kk	Datasheet	1,643In Stock	¥214.3 ¥181 ¥131.6 ¥129.4 View ¥118.4 ¥110.5 ¥110.1 ¥99.2	Min.: 1 Mult.: 1	Headers	Socket Assembly	6 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Socket (Female)	Gold		3.35 mm (0.132 in)	4455	KK	Board-to-Board, Signal		- 40 C	+ 80 C	Tray
Headers & Wire Housings RA FRICTION LK 13 solid header 26-60-5130 Molex 1: ¥250.8 693In Stock	Mfr. Part # 26-60-5130 Mouser Part # 538-26-60-5130	Molex	Headers & Wire Housings RA FRICTION LK 13 solid header Learn More about Molex kk	Datasheet	693In Stock	¥250.8 ¥219.3 ¥209.3 ¥196 View ¥177.7 ¥162.4 ¥149.8 ¥140.5 ¥137.7	Min.: 1 Mult.: 1	Headers	Locking	13 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)	41792	KK	Wire-to-Board, Power		- 40 C	+ 80 C	Bulk
Headers & Wire Housings KK 156 PCB Bottom 4Ckt No Ramp 41815-0329 Molex 1: ¥112.9 200In Stock	Mfr. Part # 41815-0329 Mouser Part # 538-41815-0329	Molex	Headers & Wire Housings KK 156 PCB Bottom 4Ckt No Ramp	Datasheet	200In Stock	¥112.9 ¥98.5 ¥90 ¥81.2 View ¥74.2 ¥61.5 ¥52.7 ¥50 ¥49.2	Min.: 1 Mult.: 1	Headers	Socket Assembly		3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Straight	Socket (Female)	Tin			41815	KK			- 40 C	+ 105 C
Headers & Wire Housings 2.54MM BREAKAWAY RA 16 CKT Gold 22-28-8163 Molex 1: ¥332.2 1,763In Stock	Mfr. Part # 22-28-8163 Mouser Part # 538-22-28-8163	Molex	Headers & Wire Housings 2.54MM BREAKAWAY RA 16 CKT Gold Learn More about Molex kk	Datasheet	1,763In Stock	¥332.2 ¥327.2 ¥320.6 ¥308.9 View ¥305.6 ¥280.7 ¥264.1 ¥245.8	Min.: 1 Mult.: 1	Headers	Breakaway	16 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 RA FRICTION LK HDR 3 with snap in pegs 26-60-7030 Molex 1: ¥86.4 1,829In Stock	Mfr. Part # 26-60-7030 Mouser Part # 538-26-60-7030	Molex	Headers & Wire Housings RA FRICTION LK HDR 3 with snap in pegs Learn More about Molex kk	Datasheet	1,829In Stock	¥86.4 ¥73.7 ¥66.4 ¥62.3	Min.: 1 Mult.: 1	Headers	Locking	3 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin	11.43 mm (0.45 in)	3.3 mm (0.13 in)	42892	KK	Wire-to-Board, Power		- 40 C	+ 80 C	Bulk
Headers & Wire Housings .156 KK HEADER 26-64-4090 Molex 1: ¥259.1 1,099In Stock	Mfr. Part # 26-64-4090 Mouser Part # 538-26-64-4090	Molex	Headers & Wire Housings .156 KK HEADER Learn More about Molex kk	Datasheet	1,099In Stock	¥259.1 ¥219.3 ¥184.4 ¥171.1 View ¥167.8 ¥159.1 ¥140.5 ¥138.5	Min.: 1 Mult.: 1	Headers	Locking	9 Position	3.96 mm (0.156 in)	1 Row	Through Hole	Solder Pin	Straight	Pin (Male)	Tin	11.43 mm (0.45 in)	3.56 mm (0.14 in)	42491	KK	Wire-to-Board, Power		- 40 C	+ 80 C	Bulk
Headers & Wire Housings CRIMP TERMINAL HSG KK 5.08MM 2 CCT GW 91813-9002 Molex 1: ¥16.6 20,174In Stock	Mfr. Part # 91813-9002 Mouser Part # 538-91813-9002	Molex	Headers & Wire Housings CRIMP TERMINAL HSG KK 5.08MM 2 CCT GW	Datasheet	20,174In Stock	¥16.6 ¥14.5 ¥12.8 ¥12.3 View ¥11.5 ¥11.1	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	2 Position	5.08 mm (0.2 in)	1 Row	Cable Mount / Free Hanging	Crimp		Socket (Female)				91813	KK	Wire-to-Board, Power				Bulk