Headers & Wire Housings – Mouser Ireland

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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 2mm Pitch WtoB Conn 18 pos Straight Hder DF51K-18DP-2DSA(800) Hirose Connector 1: €0.86 1,684In Stock	Mfr. Part No. DF51K-18DP-2DSA(800) Mouser Part No 798-DF51K18DP2DSA800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 18 pos Straight Hder Learn More about Hirose Connector hirose df51k connectors	Datasheet	1,684In Stock	€0.86 €0.731 €0.621 €0.572 View €0.55 €0.526 €0.494 €0.471	Min.: 1 Mult.: 1	Headers	Shrouded	18 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	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 22 pos RA Header DF51K-22DP-2DS(800) Hirose Connector 1: €1.48 818In Stock	Mfr. Part No. DF51K-22DP-2DS(800) Mouser Part No 798-DF51K-22DP2DS800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 22 pos RA Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	818In Stock	€1.48 €1.29 €1.24 €1.15 View €1.03 €0.955 €0.854 €0.828 €0.774	Min.: 1 Mult.: 1	Headers	Shrouded	22 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Through Hole	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 3 pos RA Header DF51KB-3P-2DS(805) Hirose Connector 1: €0.946 610In Stock	Mfr. Part No. DF51KB-3P-2DS(805) Mouser Part No 798-DF51KB-3P-2DS805	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 3 pos RA Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	610In Stock	€0.946 €0.803 €0.793 €0.618 View €0.597 €0.568 €0.539 €0.515	Min.: 1 Mult.: 1	Headers	Shrouded	3 Position	2 mm (0.079 in)	1 Row		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 Header, 30pos., 2mm pitch, right angle, 2A, 100V DF51K-30DP-2H(800) Hirose Connector 1: €3.15 700In Stock	Mfr. Part No. DF51K-30DP-2H(800) Mouser Part No 798-DF51K-30DP-2H800	Hirose Connector	Headers & Wire Housings Header, 30pos., 2mm pitch, right angle, 2A, 100V Learn More about Hirose Connector hirose df51k connectors	Datasheet	700In Stock	Cut Tape €3.15 €2.68 €2.28 Reel €2.11 €2.10 €1.88	Min.: 1 Mult.: 1 : 300	Headers		30 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, 30pos., 2mm pitch, straight, 2A, 250V DF51K-30DP-2V(800) Hirose Connector 1: €3.10 1,005In Stock	Mfr. Part No. DF51K-30DP-2V(800) Mouser Part No 798-DF51K-30DP-2V800	Hirose Connector	Headers & Wire Housings Header, 30pos., 2mm pitch, straight, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	1,005In Stock	Cut Tape €3.10 €2.63 €2.24 Reel €2.05 €2.04 View €1.89 €1.85	Min.: 1 Mult.: 1 : 350	Headers		30 Position	2 mm (0.079 in)	2 Row		PCB Mount	Solder	Straight		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 30pos., 2mm pitch, straight, 2A, 250V DF51K-30DP-2V(805) Hirose Connector 1: €4.28 883In Stock	Mfr. Part No. DF51K-30DP-2V(805) Mouser Part No 798-DF51K-30DP-2V805	Hirose Connector	Headers & Wire Housings Header, 30pos., 2mm pitch, straight, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	883In Stock	Cut Tape €4.28 €3.64 €3.10 Reel €2.84 €2.83 €2.63	Min.: 1 Mult.: 1 : 350	Headers		30 Position	2 mm (0.079 in)	2 Row		PCB Mount	Solder	Straight		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings 2mm Pitch WtoB Conn Contact DF51K-2428SCFA(800) Hirose Connector 1: €0.163 171,137In Stock 210,000Expected 25/03/2027	Mfr. Part No. DF51K-2428SCFA(800) Mouser Part No 798-DF51K2428SCFA800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn Contact Learn More about Hirose Connector hirose df51k connectors	Datasheet	171,137In Stock 210,000Expected 25/03/2027	Cut Tape €0.163 €0.138 €0.124 €0.118 View Reel €0.084 €0.106 €0.10 €0.091 €0.089 €0.084	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 Header, 2pos., 2mm pitch, straight, 3A, 250V DF51K-2P-2V(805) Hirose Connector 1: €1.15 1,004In Stock	Mfr. Part No. DF51K-2P-2V(805) Mouser Part No 798-DF51K-2P-2V805	Hirose Connector	Headers & Wire Housings Header, 2pos., 2mm pitch, straight, 3A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	1,004In Stock	Cut Tape €1.15 €0.98 €0.833 Reel €0.763 €0.762 View €0.695 €0.648 €0.646	Min.: 1 Mult.: 1 : 350	Headers		2 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, 4pos., 2mm pitch, straight, 3A, 250V DF51K-4DP-2V(800) Hirose Connector 1: €1.26 615In Stock	Mfr. Part No. DF51K-4DP-2V(800) Mouser Part No 798-DF51K-4DP-2V800	Hirose Connector	Headers & Wire Housings Header, 4pos., 2mm pitch, straight, 3A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	615In Stock	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)	2 Row		PCB Mount	Solder	Straight		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 4pos., 2mm pitch, Right angle, 2A, 250V DF51K-4P-2H(800) Hirose Connector 1: €1.20 638In Stock	Mfr. Part No. DF51K-4P-2H(800) Mouser Part No 798-DF51K-4P-2H800	Hirose Connector	Headers & Wire Housings Header, 4pos., 2mm pitch, Right angle, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	638In Stock	Cut Tape €1.20 €1.02 €0.869 Reel €0.767 €0.71 View €0.668 €0.652	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, 6pos., 2mm pitch, straight, 2A, 250V DF51K-6P-2V(800) Hirose Connector 1: €1.38 913In Stock	Mfr. Part No. DF51K-6P-2V(800) Mouser Part No 798-DF51K-6P-2V800	Hirose Connector	Headers & Wire Housings Header, 6pos., 2mm pitch, straight, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	913In Stock	Cut Tape €1.38 €1.18 €0.998 Reel €0.912 €0.86 View €0.795 €0.775	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 Contact DF51K-22SC(800) Hirose Connector 1: €0.138 74,651In Stock	Mfr. Part No. DF51K-22SC(800) Mouser Part No 798-DF51K-22SC800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn Contact Learn More about Hirose Connector hirose df51k connectors	Datasheet	74,651In 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	22 AWG	- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn Contact DF51K-22SCF(800) Hirose Connector 1: €0.086 76,530In Stock	Mfr. Part No. DF51K-22SCF(800) Mouser Part No 798-DF51K-22SCF800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn Contact Learn More about Hirose Connector hirose df51k connectors	Datasheet	76,530In 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	22 AWG	- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings 2mm Pitch WtoB Conn Contact DF51K-22SCFA(800) Hirose Connector 1: €0.189 22,903In Stock	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	22,903In Stock	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 4 pos Socket DF51K-4DS-2C(800) Hirose Connector 1: €0.241 12,133In Stock 7,100Expected 16/11/2026	Mfr. Part No. DF51K-4DS-2C(800) Mouser Part No 798-DF51K-4DS-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 4 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	12,133In Stock 7,100Expected 16/11/2026	€0.241 €0.201 €0.18 €0.17 View €0.152 €0.144 €0.132 €0.13 €0.124	Min.: 1 Mult.: 1	Headers	Socket	4 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 6 pos Socket DF51K-6DS-2C(800) Hirose Connector 1: €0.241 21,153In Stock	Mfr. Part No. DF51K-6DS-2C(800) Mouser Part No 798-DF51K-6DS-2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 6 pos Socket Learn More about Hirose Connector hirose df51k connectors	Datasheet	21,153In Stock	€0.241 €0.201 €0.18 €0.17 View €0.152 €0.144 €0.136 €0.135 €0.129	Min.: 1 Mult.: 1	Headers	Socket	6 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, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 10 pos DF51K-10DS-2C(800) Hirose Connector 1: €0.258 15,931In Stock 19,500Expected 10/12/2026	Mfr. Part No. DF51K-10DS-2C(800) Mouser Part No 798-DF51K10DS2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 10 pos Learn More about Hirose Connector hirose df51k connectors	Datasheet	15,931In Stock 19,500Expected 10/12/2026	€0.258 €0.221 €0.198 €0.186 View €0.168 €0.151 €0.144 €0.137	Min.: 1 Mult.: 1	Headers	Socket	10 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging	Crimp		Socket (Female)	Tin		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) Right angle Header double row 8 pos gold plated DF51K-8DP-2DS(805) Hirose Connector 1: €1.38 1,785In Stock	Mfr. Part No. DF51K-8DP-2DS(805) Mouser Part No 798-DF51K8DP2DS805	Hirose Connector	Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Right angle Header double row 8 pos gold plated Learn More about Hirose Connector hirose df51k connectors	Datasheet	1,785In Stock	€1.38 €1.21 €1.16 €1.08 View €0.98 €0.894 €0.808 €0.748 €0.725	Min.: 1 Mult.: 1	Headers	Shrouded	8 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Through Hole	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, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 8 pos DF51K-8DS-2C(800) Hirose Connector 1: €0.292 14,796In Stock	Mfr. Part No. DF51K-8DS-2C(800) Mouser Part No 798-DF51K8DS2C800	Hirose Connector	Headers & Wire Housings 2mm Pitch, Positive lock, Wire-to-Board Connector (UL, C-UL Listed) Socket double row 8 pos Learn More about Hirose Connector hirose df51k connectors	Datasheet	14,796In Stock	€0.292 €0.242 €0.216 €0.203 View €0.18 €0.149 €0.139 €0.136 €0.129	Min.: 1 Mult.: 1	Headers	Socket	8 Position	2 mm (0.079 in)	2 Row	2 mm (0.079 in)	Cable Mount / Free Hanging	Crimp		Socket (Female)	Tin		DF51K	SignalBee	Wire-to-Board		- 55 C	+ 105 C	Bulk
Headers & Wire Housings 2mm Pitch WtoB Conn 2 pos RA Header DF51KB-2P-2DS(805) Hirose Connector 1: €0.757 7,874In Stock	Mfr. Part No. DF51KB-2P-2DS(805) Mouser Part No 798-DF51KB-2P-2DS805	Hirose Connector	Headers & Wire Housings 2mm Pitch WtoB Conn 2 pos RA Header Learn More about Hirose Connector hirose df51k connectors	Datasheet	7,874In Stock	€0.757 €0.641 €0.625 €0.492 View €0.491 €0.464 €0.421	Min.: 1 Mult.: 1	Headers	Shrouded	2 Position	2 mm (0.079 in)	1 Row		Mounting Peg	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 Header, 16pos., 2mm pitch, right angle, 2A, 100V DF51K-16DP-2H(805) Hirose Connector 1: €2.94 530In Stock	Mfr. Part No. DF51K-16DP-2H(805) Mouser Part No 798-DF51K-16DP-2H805	Hirose Connector	Headers & Wire Housings Header, 16pos., 2mm pitch, right angle, 2A, 100V Learn More about Hirose Connector hirose df51k connectors	Datasheet	530In Stock	Cut Tape €2.94 €2.50 €2.13 Reel €1.97 €1.81 €1.75	Min.: 1 Mult.: 1 : 300	Headers		16 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, 16pos., 2mm pitch, straight, 2A, 250V DF51K-16DP-2V(800) Hirose Connector 1: €2.13 490In Stock	Mfr. Part No. DF51K-16DP-2V(800) Mouser Part No 798-DF51K-16DP-2V800	Hirose Connector	Headers & Wire Housings Header, 16pos., 2mm pitch, straight, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	490In Stock	Cut Tape €2.13 €1.81 €1.55 Reel €1.42 €1.34 €1.23	Min.: 1 Mult.: 1 : 350	Headers		16 Position	2 mm (0.079 in)	2 Row		PCB Mount	Solder	Straight		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings Header, 16pos., 2mm pitch, straight, 2A, 250V DF51K-16DP-2V(805) Hirose Connector 1: €2.64 500In Stock	Mfr. Part No. DF51K-16DP-2V(805) Mouser Part No 798-DF51K-16DP-2V805	Hirose Connector	Headers & Wire Housings Header, 16pos., 2mm pitch, straight, 2A, 250V Learn More about Hirose Connector hirose df51k connectors	Datasheet	500In Stock	Cut Tape €2.64 €2.24 €1.91 Reel €1.75 €1.74 €1.55	Min.: 1 Mult.: 1 : 350	Headers		16 Position	2 mm (0.079 in)	2 Row		PCB Mount	Solder	Straight		Tin		DF51K	SignalBee			- 55 C	+ 105 C	Reel, Cut Tape
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

DF51K 2mm Pitch Wire-to-Board Connectors

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DF51K 2mm Pitch Wire-to-Board Connectors

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