Headers & Wire Housings – Mouser Canada

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M40 1.0mm Board-to-Board SMT Connectors

Harwin M40 1.0mm Board-to-Board SMT Connectors feature a range of surface-mount pin headers and sockets designed to provide a cost-effective solution for secure and highly reliable PCB-to-PCB connections. The M40 series offer a low-profile design and a dual-beam contact system, allowing designers to reduce PCB sizes without sacrificing connector reliability. The small contact spacing of 1.00mm makes Harwin M40 connectors ideal for use in confined spaces such as handheld devices, consumer electronics, and industrial control systems.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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	Series	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Headers & Wire Housings M40 2X25P SMT SOCKET 1.00MM DIL M40-3200345R Harwin 1: $2.25 4,749In Stock	Mfr. Part # M40-3200345R Mouser Part # 855-M40-3200345R	Harwin	Headers & Wire Housings M40 2X25P SMT SOCKET 1.00MM DIL Learn More about Harwin m40	Datasheet	4,749In Stock	Cut Tape $2.25 $1.92 $1.63 $1.40 Reel $1.30 View $1.25 $1.22	Min.: 1 Mult.: 1 : 800	Headers	Pin Strip	3 Position	1 mm (0.039 in)		1 mm (0.039 in)		Solder	Straight	Pin (Male)	M40			Reel, Cut Tape
Headers & Wire Housings M40 2X6P SMT PIN HEADER 1.00MM DIL M40-3100645R Harwin 1: $3.53 2,302In Stock	Mfr. Part # M40-3100645R Mouser Part # 855-M40-3100645R	Harwin	Headers & Wire Housings M40 2X6P SMT PIN HEADER 1.00MM DIL Learn More about Harwin m40	Datasheet	2,302In Stock	Cut Tape $3.53 $3.01 $2.55 $2.28 Reel $2.02 View $2.17 $1.93 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Headers	Pin Strip	6 Position	1 mm (0.039 in)		1 mm (0.039 in)		Solder	Straight	Socket (Female)	M40			Reel, Cut Tape, MouseReel
Headers & Wire Housings M40 2X5P SMT SOCKET 1.00MM DIL M40-3200645R Harwin 1: $3.14 731In Stock	Mfr. Part # M40-3200645R Mouser Part # 855-M40-3200645R	Harwin	Headers & Wire Housings M40 2X5P SMT SOCKET 1.00MM DIL Learn More about Harwin m40	Datasheet	731In Stock	Cut Tape $3.14 $2.68 $2.28 $1.96 Reel $1.81 View $1.74 $1.70	Min.: 1 Mult.: 1 : 800	Headers	Pin Strip	6 Position	1 mm (0.039 in)		1 mm (0.039 in)		Solder	Straight	Pin (Male)	M40			Reel, Cut Tape
Headers & Wire Housings M40 2X3P SMT SOCKET 1.00MM DIL M40-3200445R Harwin 1: $2.55 1,372In Stock	Mfr. Part # M40-3200445R Mouser Part # 855-M40-3200445R	Harwin	Headers & Wire Housings M40 2X3P SMT SOCKET 1.00MM DIL Learn More about Harwin m40	Datasheet	1,372In Stock	Cut Tape $2.55 $2.17 $1.99 $1.89 Reel $1.50 View $1.68 $1.42 $1.39	Min.: 1 Mult.: 1 : 800	Headers	Shrouded	8 Position	1 mm (0.039 in)	2 Row	1 mm (0.039 in)	SMD/SMT	Solder	Straight	Pin (Male)	M40	- 40 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings M40 2X4P SMT SOCKET 1.00MM DIL M40-3200545R Harwin 1: $2.85 1,266In Stock	Mfr. Part # M40-3200545R Mouser Part # 855-M40-3200545R	Harwin	Headers & Wire Housings M40 2X4P SMT SOCKET 1.00MM DIL Learn More about Harwin m40	Datasheet	1,266In Stock	Cut Tape $2.85 $2.43 $2.07 $1.77 Reel $1.54 $1.51	Min.: 1 Mult.: 1 : 800	Headers	Shrouded	10 Position	1 mm (0.039 in)	2 Row	1 mm (0.039 in)	SMD/SMT	Solder	Straight	Pin (Male)	M40	- 40 C	+ 105 C	Reel, Cut Tape
Headers & Wire Housings M40 2X4P SMT PIN HEADER 1.00MM DIL M40-3100445R Harwin 1: $2.66 2,445In Stock	Mfr. Part # M40-3100445R Mouser Part # 855-M40-3100445R	Harwin	Headers & Wire Housings M40 2X4P SMT PIN HEADER 1.00MM DIL Learn More about Harwin m40	Datasheet	2,445In Stock	Cut Tape $2.66 $2.38 $2.32 $2.13 Reel $1.73 View $2.04 $1.90 $1.79 $1.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Headers	Receptacle	8 Position	1 mm (0.039 in)	2 Row	1 mm (0.039 in)	SMD/SMT	Solder	Straight	Socket (Female)	M40	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
Headers & Wire Housings M40 2X5P SMT PIN HEADER 1.00MM DIL M40-3100545R Harwin 1: $3.24 1,153In Stock	Mfr. Part # M40-3100545R Mouser Part # 855-M40-3100545R	Harwin	Headers & Wire Housings M40 2X5P SMT PIN HEADER 1.00MM DIL Learn More about Harwin m40	Datasheet	1,153In Stock	Cut Tape $3.24 $2.75 $2.35 $2.09 Reel $1.89 View $1.99 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Headers	Receptacle	10 Position	1 mm (0.039 in)	2 Row	1 mm (0.039 in)	SMD/SMT	Solder	Straight	Socket (Female)	M40	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
Headers & Wire Housings M40 2X3P SMT PIN HEADER 1.00MM DIL M40-3100345R Harwin 1: $2.59 968In Stock 2,000Expected 2027-02-16	Mfr. Part # M40-3100345R Mouser Part # 855-M40-3100345R	Harwin	Headers & Wire Housings M40 2X3P SMT PIN HEADER 1.00MM DIL Learn More about Harwin m40	Datasheet	968In Stock 2,000Expected 2027-02-16	Cut Tape $2.59 $2.22 $1.89 $1.68 Reel $1.50 View $1.60 $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Headers	Receptacle	6 Position	1 mm (0.039 in)	2 Row	1 mm (0.039 in)	SMD/SMT	Solder	Straight	Socket (Female)	M40	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
Headers & Wire Housings M40 2X10P SMT PIN HEADER 1.00MM DIL M40-3101045R Harwin 1: $4.68 2,000Expected 2026-12-08	Mfr. Part # M40-3101045R Mouser Part # 855-M40-3101045R	Harwin	Headers & Wire Housings M40 2X10P SMT PIN HEADER 1.00MM DIL Learn More about Harwin m40	Datasheet	2,000Expected 2026-12-08	Cut Tape $4.68 $3.99 $3.38 $3.02 Reel $2.72 View $2.94 $2.59 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Headers	Pin Strip	10 Position	1 mm (0.039 in)		1 mm (0.039 in)		Solder	Straight	Socket (Female)	M40			Reel, Cut Tape, MouseReel
Headers & Wire Housings M40 2P VRT 3.5MM PIN HDR 2.00MM PITCH M40-3201045R Harwin 1: $4.31 1,447Expected 2027-02-16	Mfr. Part # M40-3201045R Mouser Part # 855-M40-3201045R	Harwin	Headers & Wire Housings M40 2P VRT 3.5MM PIN HDR 2.00MM PITCH Learn More about Harwin m40	Datasheet	1,447Expected 2027-02-16	Cut Tape $4.31 $3.67 $3.11 $2.69 Reel $2.48 View $2.39 $2.33 MouseReel Available	Min.: 1 Mult.: 1 : 800	Headers	Shrouded	20 Position	1 mm (0.039 in)	2 Row	1 mm (0.039 in)	SMD/SMT	Solder	Straight	Pin (Male)	M40	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel

M40 1.0mm Board-to-Board SMT Connectors

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