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 (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 0.8 BtB Hsg Assy SMT SMT 40Ckt EmbsTp Pk 52465-4071 Molex 1: $4.09 28,614In Stock	Mfr. Part # 52465-4071 Mouser Part # 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 $4.09 $3.48 $3.11 $2.96 Reel $2.40 View $2.69 $2.61 $2.30 $2.24 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 0.5mm BTB SMT REC 20P 1.5MM HEIGHT 54722-0204 Molex 1: $2.03 12,485In Stock	Mfr. Part # 54722-0204 Mouser Part # 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	12,485In Stock	Cut Tape $2.03 $1.79 $1.69 $1.60 Reel $1.18 View $1.48 $1.40 $1.28 $1.15 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 40 Ckt Vert. Recept. 0.5mm SMT Dual-Row 52991-0408 Molex 1: $3.81 22,307In Stock	Mfr. Part # 52991-0408 Mouser Part # 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 $3.81 $3.24 $2.89 $2.76 View Reel $2.07 $2.58 $2.46 $2.36 $2.07 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: $1.63 19,118In Stock	Mfr. Part # 54722-0244 Mouser Part # 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	19,118In Stock	Cut Tape $1.63 $1.42 $1.36 $1.27 View Reel $0.803 $1.15 $1.06 $0.946 $0.803 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 SLIMSTACK .4MM PITCH HRF PLUG 12CKT 503552-1222 Molex 1: $1.02 37,057In Stock	Mfr. Part # 503552-1222 Mouser Part # 538-503552-1222	Molex	Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF PLUG 12CKT Learn More about Molex slimstack	Datasheet	37,057In Stock	Cut Tape $1.02 $0.865 $0.772 $0.735 View Reel $0.526 $0.689 $0.656 $0.625 $0.585 $0.526 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: $0.69 55,542In Stock	Mfr. Part # 505270-2412 Mouser Part # 538-505270-2412	Molex	Board to Board & Mezzanine Connectors SlimStack .35MM SSB RP REC 24CKT ARMRNAL	Datasheet	55,542In Stock	Cut Tape $0.69 $0.589 $0.526 $0.501 Reel $0.349 View $0.447 $0.426 $0.399 $0.33 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: $3.05 11,535In Stock	Mfr. Part # 51338-0874 Mouser Part # 538-51338-0874	Molex	Board to Board & Mezzanine Connectors 80 Ckt Receptacle J-leads & solder tab Learn More about Molex high speed solutions	Datasheet	11,535In Stock	Cut Tape $3.05 $2.60 $2.32 $2.21 Reel $1.92 View $2.15 $2.07 $1.95 $1.84 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: $2.99 26,095In Stock	Mfr. Part # 55909-0474 Mouser Part # 538-55909-0474	Molex	Board to Board & Mezzanine Connectors 40 Ckt Plug J-leads & solder tab Learn More about Molex slimstack	Datasheet	26,095In Stock	Cut Tape $2.99 $2.54 $2.38 $2.37 Reel $1.88 View $2.30 $2.18 $2.05 $1.80 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 .40mm SlimStack Floating Plug 20Ckt 204928-0201 Molex 1: $3.43 8,657In Stock	Mfr. Part # 204928-0201 Mouser Part # 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 $3.43 $2.92 $2.61 $2.48 Reel $2.03 View $2.33 $2.22 $2.18 $1.89	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 .635 RECEPTACLE SURFACE MNT 160 CKT 52885-1674 Molex 1: $9.24 1,672In Stock	Mfr. Part # 52885-1674 Mouser Part # 538-52885-1674	Molex	Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 160 CKT Learn More about Molex slimstack	Datasheet	1,672In Stock	Cut Tape $9.24 $8.40 $8.01 $7.83 View Reel $6.46 $7.61 $7.25 $7.08 $6.46 Quote	Min.: 1 Mult.: 1 : 1,000	Receptacles	160 Position	0.64 mm (0.025 in)	2 Row	Solder	Vertical	6 mm, 7 mm, 8 mm, 9 mm, 10 mm	500 mA	100 V	- 55 C	+ 105 C	Gold	Copper	Thermoplastic (TP)	52885	Reel, Cut Tape
Board to Board & Mezzanine Connectors SlimStack .35mm Conn Rcpt 40Ckt Armornail 505270-4012 Molex 1: $0.86 40,730In Stock	Mfr. Part # 505270-4012 Mouser Part # 538-505270-4012	Molex	Board to Board & Mezzanine Connectors SlimStack .35mm Conn Rcpt 40Ckt Armornail Learn More about Molex slimstack	Datasheet	40,730In Stock	Cut Tape $0.86 $0.73 $0.652 $0.621 Reel $0.406 View $0.554 $0.484 $0.454 $0.373 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 .635 RECEPTACLE SURFACE MNT 40 CKT 52901-0474 Molex 1: $10.92 5,212In Stock	Mfr. Part # 52901-0474 Mouser Part # 538-52901-0474	Molex	Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 40 CKT Learn More about Molex slimstack	Datasheet	5,212In Stock	Cut Tape $10.92 $9.29 $8.71 $8.29 Reel $6.76 View $7.89 $7.05 $6.56 MouseReel Available	Min.: 1 Mult.: 1 : 440	Receptacles	40 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, MouseReel
Board to Board & Mezzanine Connectors 0.4 B/B Plug Assy 80 ssy 80Ckt EmbsTp Pkg 501745-0801 Molex 1: $2.74 10,379In Stock	Mfr. Part # 501745-0801 Mouser Part # 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 $2.74 $2.73 $2.52 $2.47 Reel $1.65 View $2.36 $2.31 $2.15 $1.58 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 0.35 B/B Rec Assy 34Ckt EmbsTp Pkg 505413-3410 Molex 1: $0.71 40,007In Stock	Mfr. Part # 505413-3410 Mouser Part # 538-505413-3410	Molex	Board to Board & Mezzanine Connectors 0.35 B/B Rec Assy 34Ckt EmbsTp Pkg Learn More about Molex slimstack armor	Datasheet	40,007In Stock	Cut Tape $0.71 $0.613 $0.557 $0.527 Reel $0.399 View $0.48 $0.434 $0.406 $0.398 MouseReel Available	Min.: 1 Mult.: 1 : 7,000	Receptacles	34 Position	0.35 mm (0.014 in)	2 Row	Solder	Vertical	0.9 mm, 1 mm	300 mA	50 V	- 40 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	505413	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors .40mm SlimStack Rec Floating 20Ckt 204927-0201 Molex 1: $3.02 9,877In Stock	Mfr. Part # 204927-0201 Mouser Part # 538-204927-0201	Molex	Board to Board & Mezzanine Connectors .40mm SlimStack Rec Floating 20Ckt Learn More about Molex fsb5 b2b connectors	Datasheet	9,877In Stock	Cut Tape $3.02 $2.57 $2.30 $2.19 Reel $1.71 View $2.05 $1.95 $1.89 $1.63	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: $1.57 39,904In Stock	Mfr. Part # 502430-4012 Mouser Part # 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 $1.57 $1.37 $1.31 $1.23 View Reel $0.78 $1.11 $1.02 $0.914 $0.882 $0.78	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 SlimStack .4mm Rcpt SMT DR Vrt 8Ckt 502426-0812 Molex 1: $0.87 62,333In Stock	Mfr. Part # 502426-0812 Mouser Part # 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 $0.87 $0.755 $0.69 $0.623 Reel $0.366 View $0.569 $0.471 $0.442 $0.357	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 .35mm SlimStack Conn Plug 24Ckt ArmorNail 505070-2422 Molex 1: $0.72 73,248In Stock	Mfr. Part # 505070-2422 Mouser Part # 538-505070-2422	Molex	Board to Board & Mezzanine Connectors .35mm SlimStack Conn Plug 24Ckt ArmorNail Learn More about Molex slimstack	Datasheet	73,248In Stock	Cut Tape $0.72 $0.609 $0.544 $0.518 View Reel $0.333 $0.463 $0.423 $0.397 $0.353 $0.333 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: $4.91 6,314In Stock	Mfr. Part # 52991-0608 Mouser Part # 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 $4.91 $4.17 $3.91 $3.73 View Reel $2.73 $3.55 $3.33 $3.23 $3.09 $2.73 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 0.4 B/B REC ASSY J-BEND TAIL EMBSTP 51338-1674 Molex 1: $1.85 17,890In Stock	Mfr. Part # 51338-1674 Mouser Part # 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 $1.85 $1.61 $1.47 $1.33 Reel $0.784 View $1.19 $1.17 $1.14 $0.725 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: $7.07 507In Stock 3,000Expected 11/19/2026	Mfr. Part # 53625-0574 Mouser Part # 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 11/19/2026	Cut Tape $7.07 $6.48 $5.85 $5.66 Reel $3.96 View $5.38 $4.81 $4.67 $3.82 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 0.4 B/B Rec Assy 70Ckt EmbsTpPkg 502426-7030 Molex 1: $3.24 5,474In Stock	Mfr. Part # 502426-7030 Mouser Part # 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 $3.24 $2.95 $2.79 $2.60 View Reel $1.75 $2.27 $2.21 $2.07 $1.75 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: $17.39 880In Stock	Mfr. Part # 52901-1674 Mouser Part # 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 $17.39 $15.07 $14.29 $14.08 Reel $11.34 View $12.49 $11.71 $10.79 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 B/B Rcpt .35mm 6Ckt 505066-0622 Molex 1: $0.35 69,230In Stock	Mfr. Part # 505066-0622 Mouser Part # 538-505066-0622	Molex	Board to Board & Mezzanine Connectors SlimStack B/B Rcpt .35mm 6Ckt Learn More about Molex slimstack	Datasheet	69,230In Stock	Cut Tape $0.35 $0.296 $0.265 $0.252 View Reel $0.159 $0.225 $0.213 $0.181 $0.165 $0.159 MouseReel Available	Min.: 1 Mult.: 1 : 8,000	Receptacles	6 Position	0.35 mm (0.014 in)	2 Row	Solder	Vertical	0.6 mm	300 mA	50 V	- 40 C	+ 85 C	Gold	Copper	Liquid Crystal Polymer (LCP)	505066	Reel, Cut Tape, MouseReel
Board to Board & Mezzanine Connectors SlimStack .40mm Conn Plug 40Ckt 505550-4020 Molex 1: $0.98 11,495In Stock	Mfr. Part # 505550-4020 Mouser Part # 538-505550-4020	Molex	Board to Board & Mezzanine Connectors SlimStack .40mm Conn Plug 40Ckt Learn More about Molex slimstack	Datasheet	11,495In Stock	Cut Tape $0.98 $0.844 $0.789 $0.754 View Reel $0.521 $0.698 $0.658 $0.61 $0.585 $0.521 MouseReel Available	Min.: 1 Mult.: 1 : 7,000	Receptacles	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)	505550	Reel, Cut Tape, MouseReel