Headers & Wire Housings – Mouser Finland

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DF51K 2mm Pitch Wire-to-Board Connectors

Hirose Electric DF51K 2mm Pitch Wire-to-Board Connectors feature a center-lock design that prevents damage while allowing high-density mounting and easy operation. The locking mechanism delivers a clear tactile click to ensure complete mating, while visually and mechanically polarized features prevent reverse or incorrect mating. Hirose Electric DF51K connectors are available in straight or right-angle options, single or dual row, and with gold or tin plating. Typical applications include medical, office, and amusement equipment, as well as industrial machinery and robots.

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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	Row Spacing	Mounting Style	Termination Style	Mounting Angle	Contact Gender	Contact Plating	Termination Post Length	Series	Tradename	Application	Wire Gauge	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Headers & Wire Housings Header, 2pos., 2mm pitch, right angle, 3A, 250V DF51K-2P-2H(805) Hirose Connector 1: 1,11 € 533In Stock	Mfr. Part No. DF51K-2P-2H(805) Mouser Part No 798-DF51K-2P-2H805	Hirose Connector	Headers & Wire Housings Header, 2pos., 2mm pitch, right angle, 3A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	533In Stock	Cut Tape 1,11 € 0,946 € 0,803 € Reel 0,766 € 0,66 € View 0,622 € 0,606 €	Min.: 1 Mult.: 1 : 530	Headers		2 Position	2 mm (0.079 in)	1 Row		PCB Mount	Solder	Right Angle		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 4pos., 2mm pitch, right angle, 3A, 100V DF51K-4DP-2H(800) Hirose Connector 1: 1,21 € 600In Stock	Mfr. Part No. DF51K-4DP-2H(800) Mouser Part No 798-DF51K-4DP-2H800	Hirose Connector	Headers & Wire Housings Header, 4pos., 2mm pitch, right angle, 3A, 100V Learn More about Hirose Connector hirose df51k connectors	Datasheet	600In Stock	Cut Tape 1,21 € 1,02 € 0,98 € 0,92 € Reel 0,834 € View 0,75 € 0,636 € 0,619 € 0,613 €	Min.: 1 Mult.: 1 : 300	Headers		4 Position	2 mm (0.079 in)	2 Row		PCB Mount	Solder	Right Angle		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 4pos., 2mm pitch, right angle, 3A, 100V DF51K-4DP-2H(805) Hirose Connector 1: 1,34 € 663In Stock	Mfr. Part No. DF51K-4DP-2H(805) Mouser Part No 798-DF51K-4DP-2H805	Hirose Connector	Headers & Wire Housings Header, 4pos., 2mm pitch, right angle, 3A, 100V Learn More about Hirose Connector hirose df51k connectors	Datasheet	663In Stock	Cut Tape 1,34 € 1,14 € 0,972 € Reel 0,894 € 0,886 € View 0,779 € 0,76 € 0,754 €	Min.: 1 Mult.: 1 : 300	Headers		4 Position	2 mm (0.079 in)	2 Row		PCB Mount	Solder	Right Angle		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 4pos., 2mm pitch, straight, 3A, 250V DF51K-4DP-2V(805) Hirose Connector 1: 1,34 € 848In Stock	Mfr. Part No. DF51K-4DP-2V(805) Mouser Part No 798-DF51K-4DP-2V805	Hirose Connector	Headers & Wire Housings Header, 4pos., 2mm pitch, straight, 3A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	848In Stock	Cut Tape 1,34 € 1,14 € 0,972 € Reel 0,886 € 0,877 € View 0,771 € 0,752 €	Min.: 1 Mult.: 1 : 350	Headers		4 Position	2 mm (0.079 in)	2 Row		PCB Mount	Solder	Straight		Gold		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 4pos., 2mm pitch, Right angle, 2A, 250V DF51K-4P-2H(805) Hirose Connector 1: 1,48 € 1 007In Stock	Mfr. Part No. DF51K-4P-2H(805) Mouser Part No 798-DF51K-4P-2H805	Hirose Connector	Headers & Wire Housings Header, 4pos., 2mm pitch, Right angle, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	1 007In Stock	Cut Tape 1,48 € 1,26 € 1,08 € Reel 0,955 € 0,903 € View 0,828 € 0,824 €	Min.: 1 Mult.: 1 : 530	Headers		4 Position	2 mm (0.079 in)	1 Row		PCB Mount	Solder	Right Angle		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 4pos., 2mm pitch, straight, 2A, 250V DF51K-4P-2V(800) Hirose Connector 1: 1,26 € 670In Stock 1 750On Order	Mfr. Part No. DF51K-4P-2V(800) Mouser Part No 798-DF51K-4P-2V800	Hirose Connector	Headers & Wire Housings Header, 4pos., 2mm pitch, straight, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	670In Stock 1 750On Order On Order Ship Dates Mfr. No: DF51K-4P-2V(800) Stock: 670 Can Dispatch Immediately On Order: 700 Expected 02/02/2027 1 050 Expected 16/02/2027 Factory Lead Time: 21 Weeks	Cut Tape 1,26 € 1,08 € 0,912 € Reel 0,831 € 0,83 € View 0,723 € 0,706 € 0,701 €	Min.: 1 Mult.: 1 : 350	Headers		4 Position	2 mm (0.079 in)	1 Row		PCB Mount	Solder	Straight		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 6pos., 2mm pitch, right angle, 2A, 250V DF51K-6P-2H(800) Hirose Connector 1: 1,40 € 668In Stock	Mfr. Part No. DF51K-6P-2H(800) Mouser Part No 798-DF51K-6P-2H800	Hirose Connector	Headers & Wire Housings Header, 6pos., 2mm pitch, right angle, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	668In Stock	Cut Tape 1,40 € 1,20 € 1,01 € Reel 0,963 € 0,831 € View 0,783 € 0,774 €	Min.: 1 Mult.: 1 : 530	Headers		6 Position	2 mm (0.079 in)	1 Row		PCB Mount	Solder	Right Angle		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 6pos., 2mm pitch, right angle, 2A, 250V DF51K-6P-2H(805) Hirose Connector 1: 1,84 € 825In Stock	Mfr. Part No. DF51K-6P-2H(805) Mouser Part No 798-DF51K-6P-2H805	Hirose Connector	Headers & Wire Housings Header, 6pos., 2mm pitch, right angle, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	825In Stock	Cut Tape 1,84 € 1,57 € 1,33 € Reel 1,30 € 1,09 € 1,05 €	Min.: 1 Mult.: 1 : 530	Headers		6 Position	2 mm (0.079 in)	1 Row		PCB Mount	Solder	Right Angle		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 6pos., 2mm pitch, straight, 2A, 250V DF51K-6P-2V(805) Hirose Connector 1: 1,52 € 545In Stock	Mfr. Part No. DF51K-6P-2V(805) Mouser Part No 798-DF51K-6P-2V805	Hirose Connector	Headers & Wire Housings Header, 6pos., 2mm pitch, straight, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	545In Stock	Cut Tape 1,52 € 1,30 € 1,10 € Reel 1,01 € 0,998 € View 0,869 € 0,854 € 0,848 €	Min.: 1 Mult.: 1 : 350	Headers		6 Position	2 mm (0.079 in)	1 Row		PCB Mount	Solder	Straight		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings 2mm Pitch WtoB Conn 14 pos RA Header DF51K-14DP-2DS(805) Hirose Connector 1: 2,02 € 1 653In Stock	Mfr. Part No. DF51K-14DP-2DS(805) Mouser Part No 798-DF51K-14DP2DS805	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 14 pos RA Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	1 653In Stock	2,02 € 1,72 € 1,41 € 1,40 € View 1,26 € 1,20 € 1,16 €	Min.: 1 Mult.: 1	Headers	Shrouded	14 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold	3 mm (0.118 in)	DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Tray
Headers & Wire Housings 2mm Pitch WtoB Conn Contact DF51K-2428SCF(800) Hirose Connector 1: 0,086 € 324 661In Stock	Mfr. Part No. DF51K-2428SCF(800) Mouser Part No 798-DF51K-2428SCF800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn Contact Learn More about Hirose Connector hirose df51k connectors	Datasheet	324 661In Stock	Cut Tape 0,086 € 0,074 € 0,066 € 0,063 € View Reel 0,045 € 0,056 € 0,053 € 0,05 € 0,048 € 0,045 €	Min.: 1 Mult.: 1 : 10 000	Contacts							Crimp		Socket (Female)			DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings 2mm Pitch WtoB Conn 2pos Straight Header DF51K-2P-2DSA(805) Hirose Connector 1: 0,49 € 5 079In Stock	Mfr. Part No. DF51K-2P-2DSA(805) Mouser Part No 798-DF51K-2P-2DSA805	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 2pos Straight Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	5 079In Stock	0,49 € 0,417 € 0,353 € 0,316 € View 0,30 € 0,283 € 0,263 € 0,255 €	Min.: 1 Mult.: 1	Headers	Shrouded	2 Position	2 mm (0.079 in)	1 Row		Through Hole	Solder Pin	Straight	Pin (Male)	Gold	3 mm (0.118 in)	DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 14 pos DF51K-14DS-2C(800) Hirose Connector 1: 0,275 € 21 702In Stock	Mfr. Part No. DF51K-14DS-2C(800) Mouser Part No 798-DF51K14DS2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 14 pos Learn More about Hirose Connector hirose df51k connectors	Datasheet	21 702In Stock	0,275 € 0,235 € 0,21 € 0,199 € View 0,177 € 0,173 € 0,163 € 0,158 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	14 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging		Straight		Tin		DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos RA Header DF51KB-4DP-2DS(800) Hirose Connector 1: 0,516 € 18 040In Stock	Mfr. Part No. DF51KB-4DP-2DS(800) Mouser Part No 798-DF51KB-4DP2DS800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos RA Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	18 040In Stock	0,516 € 0,436 € 0,427 € 0,319 € View 0,309 € 0,303 € 0,286 € 0,273 €	Min.: 1 Mult.: 1	Headers	Shrouded	4 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Mounting Peg	Solder Pin	Right Angle	Pin (Male)	Tin	3 mm (0.118 in)	DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Tray
Headers & Wire Housings 2mm Pitch WtoB Conn 12 pos Socket DF51K-12DS-2C(800) Hirose Connector 1: 0,258 € 2 514In Stock 7 800On Order	Mfr. Part No. DF51K-12DS-2C(800) Mouser Part No 798-DF51K-12DS-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 12 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	2 514In Stock 7 800On Order On Order Ship Dates Mfr. No: DF51K-12DS-2C(800) Stock: 2 514 Can Dispatch Immediately On Order: 2 900 Expected 30/10/2026 4 900 Expected 08/12/2026 Factory Lead Time: 8 Weeks	0,258 € 0,221 € 0,198 € 0,187 € View 0,168 € 0,156 € 0,146 € 0,142 € 0,137 €	Min.: 1 Mult.: 1	Headers	Socket	12 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging	Crimp		Socket (Female)			DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 16 pos Socket DF51K-16DS-2C(800) Hirose Connector 1: 0,284 € 7 050In Stock 8 000Expected 14/12/2026	Mfr. Part No. DF51K-16DS-2C(800) Mouser Part No 798-DF51K-16DS-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 16 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	7 050In Stock 8 000Expected 14/12/2026	0,284 € 0,242 € 0,216 € 0,205 € View 0,182 € 0,171 € 0,159 € 0,142 €	Min.: 1 Mult.: 1	Headers	Socket	16 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging	Crimp		Socket (Female)			DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 18 pos Socket DF51K-18DS-2C(800) Hirose Connector 1: 0,301 € 2 094In Stock	Mfr. Part No. DF51K-18DS-2C(800) Mouser Part No 798-DF51K-18DS-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 18 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	2 094In Stock	0,301 € 0,255 € 0,229 € 0,217 € View 0,194 € 0,181 € 0,157 € 0,155 € 0,149 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	18 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging		Straight				DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Contact gold plated DF51K-22SCA(800) Hirose Connector 1: 0,215 € 5 882In Stock 5 500Expected 07/12/2026	Mfr. Part No. DF51K-22SCA(800) Mouser Part No 798-DF51K-22SCA(800)	Hirose Connector	Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Contact gold plated Learn More about Hirose Connector hirose df51k connectors	Datasheet	5 882In Stock 5 500Expected 07/12/2026	0,215 € 0,181 € 0,162 € 0,153 € View 0,137 € 0,13 € 0,121 € 0,12 € 0,11 €	Min.: 1 Mult.: 1	Contacts							Crimp		Socket (Female)	Gold		DF51K	SignalBee	Wire-to-Board	22 AWG			Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn Contact DF51K-22SCFA(800) Hirose Connector 1: 0,189 € 2 903In Stock 20 000Expected 30/10/2026	Mfr. Part No. DF51K-22SCFA(800) Mouser Part No 798-DF51K-22SCFA800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn Contact Learn More about Hirose Connector hirose df51k connectors	Datasheet	2 903In Stock 20 000Expected 30/10/2026	Cut Tape 0,189 € 0,16 € 0,143 € 0,136 € View Reel 0,097 € 0,121 € 0,115 € 0,108 € 0,107 € 0,097 €	Min.: 1 Mult.: 1 : 10 000	Contacts							Crimp		Socket (Female)			DF51K	SignalBee	Wire-to-Board	22 AWG	- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings 2mm Pitch WtoB Conn Contact DF51K-2428SC(800) Hirose Connector 1: 0,138 € 15 150In Stock	Mfr. Part No. DF51K-2428SC(800) Mouser Part No 798-DF51K-2428SC800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn Contact Learn More about Hirose Connector hirose df51k connectors	Datasheet	15 150In Stock	0,138 € 0,117 € 0,105 € 0,099 € View 0,089 € 0,083 € 0,077 € 0,075 € 0,071 €	Min.: 1 Mult.: 1	Contacts							Crimp		Socket (Female)			DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 24 pos Socket DF51K-24DS-2C(800) Hirose Connector 1: 0,353 € 1 932In Stock	Mfr. Part No. DF51K-24DS-2C(800) Mouser Part No 798-DF51K-24DS-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 24 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	1 932In Stock	0,353 € 0,298 € 0,267 € 0,253 € View 0,248 € 0,22 € 0,185 € 0,171 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	24 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging		Straight				DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 26 pos Socket DF51K-26DS-2C(800) Hirose Connector 1: 0,353 € 702In Stock 2 300Expected 12/11/2026	Mfr. Part No. DF51K-26DS-2C(800) Mouser Part No 798-DF51K-26DS-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 26 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	702In Stock 2 300Expected 12/11/2026	0,353 € 0,301 € 0,268 € 0,255 € View 0,218 € 0,205 € 0,188 € 0,179 €	Min.: 1 Mult.: 1	Wire Housings	Receptacle Housing	26 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging		Straight				DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 3pos Straight Header DF51K-3P-2DSA(800) Hirose Connector 1: 0,464 € 2 964In Stock 2 400Expected 02/11/2026	Mfr. Part No. DF51K-3P-2DSA(800) Mouser Part No 798-DF51K-3P-2DSA800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 3pos Straight Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	2 964In Stock 2 400Expected 02/11/2026	0,464 € 0,397 € 0,337 € 0,293 € View 0,253 € 0,243 €	Min.: 1 Mult.: 1	Headers	Shrouded	3 Position	2 mm (0.079 in)	1 Row		Through Hole	Solder Pin	Straight	Pin (Male)	Tin	3 mm (0.118 in)	DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 3 pos Socket DF51K-3S-2C(800) Hirose Connector 1: 0,249 € 3 567In Stock 11 900Expected 30/10/2026	Mfr. Part No. DF51K-3S-2C(800) Mouser Part No 798-DF51K-3S-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 3 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	3 567In Stock 11 900Expected 30/10/2026	0,249 € 0,207 € 0,185 € 0,175 € View 0,156 € 0,148 € 0,13 € 0,124 €	Min.: 1 Mult.: 1	Headers	Socket	3 Position	2 mm (0.079 in)	1 Row		Cable Mount / Free Hanging	Crimp		Socket (Female)			DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos RA Header DF51K-4P-2DS(800) Hirose Connector 1: 0,86 € 506In Stock	Mfr. Part No. DF51K-4P-2DS(800) Mouser Part No 798-DF51K-4P-2DS800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos RA Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	506In Stock	0,86 € 0,731 € 0,718 € 0,58 € View 0,578 € 0,505 € 0,482 € 0,462 €	Min.: 1 Mult.: 1	Headers	Shrouded	4 Position	2 mm (0.079 in)	1 Row		Through Hole	Solder Pin	Right Angle	Pin (Male)	Tin	3 mm (0.118 in)	DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Tray

DF51K 2mm Pitch Wire-to-Board Connectors

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