Board to Board & Mezzanine Connectors

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SlimStack Connector Family

Molex SlimStack Connector Family offers designers a wide variety of space-saving SMT stacking connectors. With pitches of 0.35mm to 2mm, Molex SlimStack Connectors offer mating heights between 0.60mm and 16mm and mating widths from 2mm to 7.20mm. Molex SlimStack Connector Family features circuits that start at 10 with ranges up to 200.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 40 Ckt Vert. Recept. 0.5mm SMT Dual-Row 52991-0408 Molex 1: £2.82 22,307In Stock	Mfr. Part No. 52991-0408 Mouser Part No 538-52991-0408	Molex	Board to Board & Mezzanine Connectors 40 Ckt Vert. Recept. 0.5mm SMT Dual-Row Learn More about Molex slimstack	Datasheet	22,307In Stock	Cut Tape £2.82 £2.43 £2.17 £2.07 View Reel £1.55 £1.94 £1.85 £1.77 £1.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Receptacles	40 Position	0.5 mm (0.02 in)	2 Row	Solder	Vertical	3 mm, 4 mm	500 mA	50 V	- 40 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	52991	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 0.5 BtB Rec Hsg Assy ssy 24Ckt EmbsTp Pk 54722-0244 Molex 1: £1.22 18,842In Stock	Mfr. Part No. 54722-0244 Mouser Part No 538-54722-0244	Molex	Board to Board & Mezzanine Connectors 0.5 BtB Rec Hsg Assy ssy 24Ckt EmbsTp Pk Learn More about Molex high speed solutions	Datasheet	18,842In Stock	Cut Tape £1.22 £1.07 £1.02 £0.952 Reel £0.603 View £0.863 £0.796 £0.711 £0.588 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Receptacles	24 Position	0.5 mm (0.02 in)	2 Row	Solder	Vertical	1.5 mm	500 mA	50 V	- 40 C	+ 105 C	Gold	Copper	Thermoplastic (TP)	54722	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 0.5mm BTB SMT REC 20P 1.5MM HEIGHT 54722-0204 Molex 1: £1.43 12,197In Stock	Mfr. Part No. 54722-0204 Mouser Part No 538-54722-0204	Molex	Board to Board & Mezzanine Connectors 0.5mm BTB SMT REC 20P 1.5MM HEIGHT Learn More about Molex high speed solutions	Datasheet	12,197In Stock	Cut Tape £1.43 £1.26 £1.18 £1.13 View Reel £0.866 £1.05 £1.00 £0.934 £0.866 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Receptacles	20 Position	0.5 mm (0.02 in)	2 Row	Solder	Vertical	1.5 mm	500 mA	50 V	- 40 C	+ 105 C	Gold	Copper	Thermoplastic (TP)	54722	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF PLUG 12CKT 503552-1222 Molex 1: £0.766 35,057In Stock	Mfr. Part No. 503552-1222 Mouser Part No 538-503552-1222	Molex	Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF PLUG 12CKT Learn More about Molex slimstack	Datasheet	35,057In Stock	Cut Tape £0.766 £0.65 £0.58 £0.552 £0.533 Reel £0.533 MouseReel Available	Min.: 1 Mult.: 1 : 7,000	Headers	12 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	0.7 mm	300 mA	50 V	- 40 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	503552	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors SlimStack .35MM SSB RP REC 24CKT ARMRNAL 505270-2412 Molex 1: £0.518 55,542In Stock	Mfr. Part No. 505270-2412 Mouser Part No 538-505270-2412	Molex	Board to Board & Mezzanine Connectors SlimStack .35MM SSB RP REC 24CKT ARMRNAL	Datasheet	55,542In Stock	Cut Tape £0.518 £0.443 £0.395 £0.376 £0.371 Reel £0.371 MouseReel Available	Min.: 1 Mult.: 1 : 7,000	Receptacles	24 Position	0.35 mm (0.014 in)	2 Row	Solder	Vertical	0.7 mm, 0.8 mm	300 mA	50 V	- 40 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	505070	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 80 Ckt Receptacle J-leads & solder tab 51338-0874 Molex 1: £2.29 11,515In Stock	Mfr. Part No. 51338-0874 Mouser Part No 538-51338-0874	Molex	Board to Board & Mezzanine Connectors 80 Ckt Receptacle J-leads & solder tab Learn More about Molex high speed solutions	Datasheet	11,515In Stock	Cut Tape £2.29 £1.96 £1.75 £1.66 Reel £1.41 View £1.57 £1.52 £1.42 £1.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Receptacles	80 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical		300 mA	50 V	- 25 C	+ 85 C	Gold		Thermoplastic (TP)	51338	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 40 Ckt Plug J-leads & solder tab 55909-0474 Molex 1: £2.24 25,600In Stock	Mfr. Part No. 55909-0474 Mouser Part No 538-55909-0474	Molex	Board to Board & Mezzanine Connectors 40 Ckt Plug J-leads & solder tab Learn More about Molex slimstack	Datasheet	25,600In Stock	Cut Tape £2.24 £1.90 £1.79 £1.76 View Reel £1.36 £1.69 £1.58 £1.53 £1.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Headers	40 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	1.5 mm, 1.8 mm	300 mA	50 V	- 25 C	+ 85 C	Gold	Brass	Liquid Crystal Polymer (LCP)	55909	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors SlimStack .35mm Conn Rcpt 40Ckt Armornail 505270-4012 Molex 1: £0.646 39,730In Stock	Mfr. Part No. 505270-4012 Mouser Part No 538-505270-4012	Molex	Board to Board & Mezzanine Connectors SlimStack .35mm Conn Rcpt 40Ckt Armornail Learn More about Molex slimstack	Datasheet	39,730In Stock	Cut Tape £0.646 £0.548 £0.49 £0.465 View Reel £0.412 £0.416 £0.412 £0.412 MouseReel Available	Min.: 1 Mult.: 1 : 7,000	Receptacles	40 Position	0.35 mm (0.014 in)	2 Row	Solder	Vertical	0.7 mm, 0.8 mm	300 mA	50 V	- 40 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	505070	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 0.8 BtB Hsg Assy SMT SMT 40Ckt EmbsTp Pk 52465-4071 Molex 1: £3.07 28,614In Stock	Mfr. Part No. 52465-4071 Mouser Part No 538-52465-4071	Molex	Board to Board & Mezzanine Connectors 0.8 BtB Hsg Assy SMT SMT 40Ckt EmbsTp Pk	Datasheet	28,614In Stock	Cut Tape £3.07 £2.61 £2.33 £2.23 Reel £1.74 View £1.92 £1.87 £1.69 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Receptacles	40 Position	0.8 mm (0.031 in)	2 Row	Solder	Vertical	4.5 mm, 5.65 mm, 6 mm, 7 mm	500 mA	50 V	- 40 C	+ 105 C	Tin	Copper	Thermoplastic (TP)	52465	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .40mm SlimStack Floating Plug 20Ckt 204928-0201 Molex 1: £2.58 8,657In Stock	Mfr. Part No. 204928-0201 Mouser Part No 538-204928-0201	Molex	Board to Board & Mezzanine Connectors .40mm SlimStack Floating Plug 20Ckt Learn More about Molex fsb5 b2b connectors	Datasheet	8,657In Stock	Cut Tape £2.58 £2.19 £1.96 £1.86 View Reel £1.73 £1.75 £1.73 £1.73	Min.: 1 Mult.: 1 : 3,000	Headers	20 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	3 mm	300 mA	40 V	- 40 C	+ 125 C	Gold	Copper	Liquid Crystal Polymer (LCP)	204928	Reel, Cut Tape
Board to Board & Mezzanine Connectors 24CKT DR VERT RECEPT SURFACE MNT 51338-2474 Molex 1: £2.03 11,334In Stock	Mfr. Part No. 51338-2474 Mouser Part No 538-51338-2474	Molex	Board to Board & Mezzanine Connectors 24CKT DR VERT RECEPT SURFACE MNT Learn More about Molex high speed solutions	Datasheet	11,334In Stock	Cut Tape £2.03 £1.74 £1.55 £1.48 Reel £1.16 View £1.40 £1.34 £1.27 £1.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Receptacles	24 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	1.5 mm, 2 mm	300 mA	50 V	- 40 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	51338	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 0.4 B/B Plug Assy 80 ssy 80Ckt EmbsTp Pkg 501745-0801 Molex 1: £2.06 10,379In Stock	Mfr. Part No. 501745-0801 Mouser Part No 538-501745-0801	Molex	Board to Board & Mezzanine Connectors 0.4 B/B Plug Assy 80 ssy 80Ckt EmbsTp Pkg Learn More about Molex high speed solutions	Datasheet	10,379In Stock	Cut Tape £2.06 £2.05 £1.89 £1.85 Reel £1.24 View £1.77 £1.74 £1.62 £1.19 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Headers	80 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	2 mm, 2.3 mm	300 mA	50 V	- 40 C	+ 105 C	Gold	Brass, Phosphor Bronze	Liquid Crystal Polymer (LCP)	501745	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .40mm SlimStack Rec Floating 20Ckt 204927-0201 Molex 1: £2.27 9,827In Stock	Mfr. Part No. 204927-0201 Mouser Part No 538-204927-0201	Molex	Board to Board & Mezzanine Connectors .40mm SlimStack Rec Floating 20Ckt Learn More about Molex fsb5 b2b connectors	Datasheet	9,827In Stock	Cut Tape £2.27 £1.93 £1.73 £1.64 View Reel £1.50 £1.54 £1.50 £1.50	Min.: 1 Mult.: 1 : 3,000	Receptacles	20 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	3 mm	300 mA	40 V	- 40 C	+ 125 C	Gold	Copper	Liquid Crystal Polymer (LCP)	204927	Reel, Cut Tape
Board to Board & Mezzanine Connectors SlimStack .4mm Plg SMT DR Vrt Stk 40Ckt 502430-4012 Molex 1: £1.18 39,904In Stock	Mfr. Part No. 502430-4012 Mouser Part No 538-50243-04012	Molex	Board to Board & Mezzanine Connectors SlimStack .4mm Plg SMT DR Vrt Stk 40Ckt Learn More about Molex slimstack	Datasheet	39,904In Stock	Cut Tape £1.18 £1.03 £0.986 £0.925 £0.882 Reel £0.882	Min.: 1 Mult.: 1 : 7,000	Headers	40 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	1 mm	300 mA	50 V	- 20 C	+ 85 C	Gold		Liquid Crystal Polymer (LCP)	502430	Reel, Cut Tape
Board to Board & Mezzanine Connectors .35mm SlimStack Conn Plug 24Ckt ArmorNail 505070-2422 Molex 1: £0.54 73,237In Stock	Mfr. Part No. 505070-2422 Mouser Part No 538-505070-2422	Molex	Board to Board & Mezzanine Connectors .35mm SlimStack Conn Plug 24Ckt ArmorNail Learn More about Molex slimstack	Datasheet	73,237In Stock	Cut Tape £0.54 £0.457 £0.409 £0.388 View Reel £0.295 £0.347 £0.318 £0.298 £0.295 £0.295 MouseReel Available	Min.: 1 Mult.: 1 : 8,000	Headers	24 Position	0.35 mm (0.014 in)	2 Row	Solder	Vertical	0.6 mm, 0.7 mm	300 mA	50 V	- 40 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	505070	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 0.5 BTB STR REC HSG TR REC HSG 529910608 52991-0608 Molex 1: £3.68 6,314In Stock	Mfr. Part No. 52991-0608 Mouser Part No 538-52991-0608	Molex	Board to Board & Mezzanine Connectors 0.5 BTB STR REC HSG TR REC HSG 529910608 Learn More about Molex high speed solutions	Datasheet	6,314In Stock	Cut Tape £3.68 £3.13 £2.93 £2.79 View Reel £2.05 £2.65 £2.50 £2.43 £2.32 £2.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Receptacles	60 Position	0.5 mm (0.02 in)	2 Row	Solder	Vertical	3 mm, 4 mm	500 mA	50 V	- 40 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	52991	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors 40 Ckt Vert. Plug 0.5mm SMT Dual-Row 53748-0408 Molex 1: £1.99 27,533In Stock	Mfr. Part No. 53748-0408 Mouser Part No 538-53748-0408	Molex	Board to Board & Mezzanine Connectors 40 Ckt Vert. Plug 0.5mm SMT Dual-Row Learn More about Molex slimstack	Datasheet	27,533In Stock	Cut Tape £1.99 £1.77 £1.58 Reel £1.58 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Headers	40 Position	0.5 mm (0.02 in)	2 Row	Solder	Vertical	3 mm	500 mA	50 V	- 40 C	+ 105 C	Gold	Brass	Liquid Crystal Polymer (LCP)	53748	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors SlimStack .4mm Rcpt SMT DR Vrt 8Ckt 502426-0812 Molex 1: £0.653 62,333In Stock	Mfr. Part No. 502426-0812 Mouser Part No 538-50242-60812	Molex	Board to Board & Mezzanine Connectors SlimStack .4mm Rcpt SMT DR Vrt 8Ckt Learn More about Molex slimstack	Datasheet	62,333In Stock	Cut Tape £0.653 £0.567 £0.518 £0.468 View Reel £0.409 £0.427 £0.409 £0.409	Min.: 1 Mult.: 1 : 7,000	Receptacles	8 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	1 mm	300 mA	50 V	- 25 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	502426	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.4 B/B REC ASSY J-BEND TAIL EMBSTP 51338-1674 Molex 1: £1.39 17,890In Stock	Mfr. Part No. 51338-1674 Mouser Part No 538-51338-1674	Molex	Board to Board & Mezzanine Connectors 0.4 B/B REC ASSY J-BEND TAIL EMBSTP Learn More about Molex slimstack	Datasheet	17,890In Stock	Cut Tape £1.39 £1.20 £1.10 £0.995 Reel £0.588 View £0.89 £0.882 £0.856 £0.545 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Receptacles	16 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	1.5 mm, 2 mm	300 mA	50 V	- 40 C	+ 105 C	Gold	Copper	Liquid Crystal Polymer (LCP)	51338	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 50 CKT 53625-0574 Molex 1: £5.31 507In Stock 3,000Expected 19/11/2026	Mfr. Part No. 53625-0574 Mouser Part No 538-53625-0574	Molex	Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 50 CKT Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	507In Stock 3,000Expected 19/11/2026	Cut Tape £5.31 £4.86 £4.39 £4.25 Reel £2.98 View £4.04 £3.61 £3.51 £2.87 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Headers	50 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 SlimStack .40mm Conn Plug 40Ckt 505551-4020 Molex 1: £1.18 8,558In Stock	Mfr. Part No. 505551-4020 Mouser Part No 538-505551-4020	Molex	Board to Board & Mezzanine Connectors SlimStack .40mm Conn Plug 40Ckt Learn More about Molex slimstack	Datasheet	8,558In Stock	Cut Tape £1.18 £1.00 £0.899 £0.856 View Reel £0.732 £0.803 £0.773 £0.766 £0.732 £0.732	Min.: 1 Mult.: 1 : 7,000	Headers	40 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	0.8 mm	300 mA	50 V	- 40 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	505551	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.4 B/B Rec Assy 70Ckt EmbsTpPkg 502426-7030 Molex 1: £2.44 5,474In Stock	Mfr. Part No. 502426-7030 Mouser Part No 538-502426-7030	Molex	Board to Board & Mezzanine Connectors 0.4 B/B Rec Assy 70Ckt EmbsTpPkg Learn More about Molex high speed solutions	Datasheet	5,474In Stock	Cut Tape £2.44 £2.22 £2.10 £1.96 View Reel £1.32 £1.70 £1.66 £1.55 £1.32 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Receptacles	70 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	1 mm	300 mA	50 V	- 25 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	502426	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .635 PITCH B-B CONN REC HSNG CVR ASSY 52901-1674 Molex 1: £13.06 880In Stock	Mfr. Part No. 52901-1674 Mouser Part No 538-52901-1674	Molex	Board to Board & Mezzanine Connectors .635 PITCH B-B CONN REC HSNG CVR ASSY Learn More about Molex high speed solutions	Datasheet	880In Stock	Cut Tape £13.06 £11.31 £10.73 £10.57 Reel £8.51 View £9.38 £8.79 £8.10 Quote	Min.: 1 Mult.: 1 : 440	Receptacles	160 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	12 mm, 13 mm, 14 mm, 15 mm, 16 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Thermoplastic (TP)	52901	Reel, Cut Tape
Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 30CKT 203955-0303 Molex 1: £1.77 8,116In Stock	Mfr. Part No. 203955-0303 Mouser Part No 538-203955-0303	Molex	Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 30CKT Learn More about Molex fsb5 b2b connectors	Datasheet	8,116In Stock	Cut Tape £1.77 £1.51 £1.47 Reel £1.47	Min.: 1 Mult.: 1 : 3,300	Receptacles	30 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical	5 mm	300 mA	40 V	- 40 C	+ 125 C	Gold	Copper	Liquid Crystal Polymer (LCP)	203955	Reel, Cut Tape
Board to Board & Mezzanine Connectors SlimStack B/B Plug .40mm 10Ckt 505006-0812 Molex 1: £0.308 61,846In Stock	Mfr. Part No. 505006-0812 Mouser Part No 538-505006-0812	Molex	Board to Board & Mezzanine Connectors SlimStack B/B Plug .40mm 10Ckt Learn More about Molex slimstack hybrid	Datasheet	61,846In Stock	Cut Tape £0.308 £0.276 Reel £0.276 MouseReel Available	Min.: 1 Mult.: 1 : 7,000	Receptacles	8 Position	0.4 mm (0.016 in)	2 Row	Solder	Vertical		3 A	50 V	- 40 C	+ 85 C	Gold		Liquid Crystal Polymer (LCP)	505006	Reel, Cut Tape, MouseReel