Board to Board & Mezzanine Connectors

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SlimStack 0.635mm Board-to-Board Connectors

Molex SlimStack 0.635mm Floating Board-to-Board Connectors offer a 100V voltage rating, 0.5A/circuit current, and 1000MΩ insulation resistance. These connectors feature a wide floating range and withstand high operating temperatures up to +125°C. The series is available in different stack heights from 12mm to 16mm, offering design flexibility for automotive, industrial, and consumer applications. Molex SlimStack 0.635mm Floating Board-to-Board Connectors are ideal for LED displays, car infotainment systems, and PLC/motion control units.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Number of Positions	Pitch	Number of Rows	Termination Style	Mounting Angle	Stack Height	Current Rating	Voltage Rating	Minimum Operating Temperature	Maximum Operating Temperature	Contact Plating	Contact Material	Housing Material	Series	Packaging
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT 53627-0874 Molex 1: $12.09 1,658In Stock	Mfr. Part No. 53627-0874 Mouser Part No 538-53627-0874	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	1,658In Stock	Cut Tape $12.09 $10.28 $9.63 $9.18 Reel $7.62 View $8.74 $8.65 $7.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 700	Headers	80 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	10 mm, 16 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53627	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 20 CKT 53647-0274 Molex 1: $4.81 4,770In Stock	Mfr. Part No. 53647-0274 Mouser Part No 538-53647-0274	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 20 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	4,770In Stock	Cut Tape $4.81 $4.09 $3.83 $3.65 Reel $2.92 View $3.48 $3.26 $3.07 $2.81 MouseReel Available	Min.: 1 Mult.: 1 : 840	Headers	20 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	8 mm, 14 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53647	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 40 CKT 53647-0474 Molex 1: $9.82 1,773In Stock	Mfr. Part No. 53647-0474 Mouser Part No 538-53647-0474	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 40 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	1,773In Stock	Cut Tape $9.82 $8.35 $7.83 $7.45 View Reel $5.81 $7.10 $6.89 $6.05 $5.81 MouseReel Available	Min.: 1 Mult.: 1 : 840	Headers	40 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	8 mm, 14 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53647	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 60 CKT 53647-0674 Molex 1: $11.45 299In Stock	Mfr. Part No. 53647-0674 Mouser Part No 538-53647-0674	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 60 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	299In Stock	Cut Tape $11.45 $10.01 $9.39 $8.94 View Reel $7.32 $8.52 $8.30 $7.33 $7.32 MouseReel Available	Min.: 1 Mult.: 1 : 840	Headers	60 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	8 mm, 14 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53647	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 PLUG SURFACE MNT 40 CKT 53649-0474 Molex 1: $5.26 2,149In Stock 3,040Expected 12/11/2026	Mfr. Part No. 53649-0474 Mouser Part No 538-53649-0474	Molex	Board to Board & Mezzanine Connectors .635 PLUG SURFACE MNT 40 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	2,149In Stock 3,040Expected 12/11/2026	Cut Tape $5.26 $4.47 $4.19 $3.99 View Reel $3.04 $3.80 $3.56 $3.29 $3.04 MouseReel Available	Min.: 1 Mult.: 1 : 760	Plugs	40 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical		500 mA	100 V	- 55 C	+ 105 C	Gold		Thermoplastic (TP)	53649	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT 53625-0874 Molex 1: $7.36 372In Stock	Mfr. Part No. 53625-0874 Mouser Part No 538-53625-0874	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	372In Stock	Cut Tape $7.36 $6.66 $6.29 $6.14 Reel $4.19 View $5.83 $5.22 $4.94 $3.94 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	80 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	7 mm, 13 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Thermoplastic (TP)	53625	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 20 CKT 55091-0274 Molex 1: $3.95 768In Stock 3,000On Order	Mfr. Part No. 55091-0274 Mouser Part No 538-55091-0274	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 20 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	768In Stock 3,000On Order	Cut Tape $3.95 $3.36 $3.00 $2.86 Reel $2.42 View $2.68 $2.55 $2.24 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	20 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 30 CKT 55091-0374 Molex 1: $2.77 4,911In Stock	Mfr. Part No. 55091-0374 Mouser Part No 538-55091-0374	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 30 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	4,911In Stock	Cut Tape $2.77 $2.35 $2.10 $2.09 Reel $1.84 View $2.00 $1.99 $1.73 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	30 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 40 CKT 55091-0474 Molex 1: $3.40 3,068In Stock	Mfr. Part No. 55091-0474 Mouser Part No 538-55091-0474	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 40 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	3,068In Stock	Cut Tape $3.40 $2.90 $2.59 $2.46 Reel $1.88 View $2.31 $2.20 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	40 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 50 CKT 55091-0574 Molex 1: $3.93 4,069In Stock	Mfr. Part No. 55091-0574 Mouser Part No 538-55091-0574	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 50 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	4,069In Stock	Cut Tape $3.93 $3.35 $2.99 $2.85 Reel $2.35 View $2.67 $2.54 $2.22 $2.15 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	50 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 60 CKT 55091-0674 Molex 1: $5.32 3,109In Stock	Mfr. Part No. 55091-0674 Mouser Part No 538-55091-0674	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 60 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	3,109In Stock	Cut Tape $5.32 $4.52 $4.24 $4.04 Reel $3.14 View $3.84 $3.60 $3.52 $3.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	60 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT 55091-0874 Molex 1: $6.75 1,605In Stock	Mfr. Part No. 55091-0874 Mouser Part No 538-55091-0874	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	1,605In Stock	Cut Tape $6.75 $5.74 $5.38 $5.12 Reel $4.08 View $4.88 $4.57 $4.56 $3.90 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	80 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 160 CKT 55091-1674 Molex 1: $13.89 672In Stock	Mfr. Part No. 55091-1674 Mouser Part No 538-55091-1674	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 160 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	672In Stock	$13.89 $11.81 $11.07 $10.54 View $10.07 $9.83 $8.53	Min.: 1 Mult.: 1	Headers	160 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 30 CKT 53625-0374 Molex 1: $5.91 727In Stock	Mfr. Part No. 53625-0374 Mouser Part No 538-53625-0374	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 30 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	727In Stock	Cut Tape $5.91 $5.02 $4.71 $4.49 Reel $3.62 View $4.27 $4.00 $3.95 $3.45 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	30 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	7 mm, 13 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Thermoplastic (TP)	53625	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 0.635 BtB ST Plg Hsg Assy 30Ckt EmbsTpPk 53649-0374 Molex 1: $3.61 140In Stock 3,040Expected 05/10/2026	Mfr. Part No. 53649-0374 Mouser Part No 538-53649-0374	Molex	Board to Board & Mezzanine Connectors 0.635 BtB ST Plg Hsg Assy 30Ckt EmbsTpPk Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	140In Stock 3,040Expected 05/10/2026	Cut Tape $3.61 $3.07 $2.74 $2.61 Reel $2.09 View $2.45 $2.26 $1.99 $1.95 MouseReel Available	Min.: 1 Mult.: 1 : 760		30 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical		500 mA	100 V	- 55 C	+ 105 C	Gold		Thermoplastic (TP)	53649	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 120 CKT 53627-1274 Molex 1: $17.52 240In Stock	Mfr. Part No. 53627-1274 Mouser Part No 538-53627-1274	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 120 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	240In Stock	Cut Tape $17.52 $14.89 $13.96 $13.29 View Reel $11.04 $12.94 $12.49 $11.04 Quote	Min.: 1 Mult.: 1 : 700	Headers	120 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	10 mm, 16 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53627	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 BtB Plg Hsg As ssy 90Ckt EmbsTp Pk 55091-0974 Molex 1: $8.23 337In Stock	Mfr. Part No. 55091-0974 Mouser Part No 538-55091-0974	Molex	Board to Board & Mezzanine Connectors 0.635 BtB Plg Hsg As ssy 90Ckt EmbsTp Pk Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	337In Stock	Cut Tape $8.23 $7.49 $7.17 $6.97 Reel $5.63 View $6.64 $6.48 $6.33 $5.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	90 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors SlimStack .635mm Plug Hsg 200Ckt 55091-2074 Molex 1: $13.96 28In Stock	Mfr. Part No. 55091-2074 Mouser Part No 538-55091-2074	Molex	Board to Board & Mezzanine Connectors SlimStack .635mm Plug Hsg 200Ckt Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	28In Stock	Cut Tape $13.96 $11.86 $11.12 $10.59 View Reel $8.57 $10.12 $9.88 $8.57	Min.: 1 Mult.: 1 : 1,000	Headers	200 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 120 CKT 53647-1274 Molex 1: $10.45 7In Stock	Mfr. Part No. 53647-1274 Mouser Part No 538-53647-1274	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 120 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	7In Stock	Cut Tape $10.45 $8.89 $8.33 $7.93 Reel $6.42 View $7.56 $7.38 $6.68 $6.18 MouseReel Available	Min.: 1 Mult.: 1 : 840	Headers	120 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	8 mm, 14 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53647	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors SlimStack .635mm Plg 70Ckt 53625-0774 Molex 1: $6.72 58In Stock	Mfr. Part No. 53625-0774 Mouser Part No 538-53625-0774	Molex	Board to Board & Mezzanine Connectors SlimStack .635mm Plg 70Ckt Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	58In Stock	Cut Tape $6.72 $5.72 $5.36 $5.10 Reel $4.12 View $4.86 $4.56 $4.55 $3.87	Min.: 1 Mult.: 1 : 1,000	Headers	70 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	7 mm, 13 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Thermoplastic (TP)	53625	Reel, Cut Tape
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 30 CKT 53647-0374 Molex 1: $7.41 121In Stock	Mfr. Part No. 53647-0374 Mouser Part No 538-53647-0374	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 30 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	121In Stock	Cut Tape $7.41 $6.30 $5.91 $5.63 Reel $4.63 View $5.36 $5.24 $5.04 $4.41 MouseReel Available	Min.: 1 Mult.: 1 : 840	Headers	30 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	8 mm, 14 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53647	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 70 CKT 55091-0774 Molex 1: $5.85 137In Stock	Mfr. Part No. 55091-0774 Mouser Part No 538-55091-0774	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 70 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	137In Stock	Cut Tape $5.85 $4.98 $4.67 $4.44 Reel $3.57 View $4.23 $3.97 $3.91 $3.40 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	70 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 12 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	55091	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 50 CKT 53627-0574 Molex 2,100: $4.56 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 53627-0574 Mouser Part No 538-53627-0574	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 50 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	Non-Stocked Lead-Time 10 Weeks	Cut Tape $4.56 MouseReel Available	Min.: 2,100 Mult.: 2,100 : 700	Headers	50 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	10 mm, 16 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Polyphenylene Sulfide (PPS)	53627	Reel
Board to Board & Mezzanine Connectors SlimStack .635mm Floating BB 60Ckt 209168-0601 Molex 1,320: $9.24 Non-Stocked	Mfr. Part No. 209168-0601 Mouser Part No 538-209168-0601	Molex	Board to Board & Mezzanine Connectors SlimStack .635mm Floating BB 60Ckt Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	Non-Stocked	Cut Tape $9.24 Quote Quote	Min.: 1,320 Mult.: 1,320 : 440															209168	Reel
Board to Board & Mezzanine Connectors 0.635 BtB Plg HsgCov erAssy90CktEmbsTpPkg 53625-0974 Molex 3,000: $4.10 Non-Stocked	Mfr. Part No. 53625-0974 Mouser Part No 538-53625-0974	Molex	Board to Board & Mezzanine Connectors 0.635 BtB Plg HsgCov erAssy90CktEmbsTpPkg Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	Non-Stocked	Cut Tape $4.10 MouseReel Available	Min.: 3,000 Mult.: 3,000 : 1,000		90 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical		500 mA	100 V	- 55 C	+ 105 C	Gold		Thermoplastic (TP)	53625	Reel

SlimStack 0.635mm Board-to-Board Connectors

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