Board-to-Board Connectors

Molex Board-to-Board Connectors are available in a variety of configurations, offering an expansive array of pitches and stacking heights. The printed circuit board (PCB) is a foundational staple in the electronics industry, and with continuing trends toward miniaturization, designers need a more diverse range of solutions for creating dependable PCB connections. To fit a range of applications, Molex Board-to-Board Connectors include mezzanine, backplane, coplanar, and more. These connectors are ideal for microminiature and high-power applications.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM PLUG 20CKT
Datasheet
5.963In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.200

Headers 20 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) 203956 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 BtB Rec Hsg Assy ssy 30Ckt EmbsTp Pkg
Datasheet
5.726In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Receptacles 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 1.8 mm, 2.3 mm 300 mA 50 V - 40 C + 105 C Gold Copper Thermoplastic (TP) 500913 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 B/B REC ASSY W/TAPE 20P
Datasheet
11.904In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Receptacles 20 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
Molex Board to Board & Mezzanine Connectors 0.4 B/B Rec Assy 70Ckt EmbsTpPkg
Datasheet
1.170In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF RECEPT 6CKT
Datasheet
34.283In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7.000

Receptacles 6 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) 503548 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF RECEPT 18CKT
Datasheet
11.035In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7.000

Receptacles 18 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) 503548 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack B/B Rcpt .40mm 10Ckt
Datasheet
12.943In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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) 505004 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack B/B Rcpt .35mm 6Ckt
Datasheet
14.386In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors SlimStack Rcpt .35mm SSB RP 8Ckt
Datasheet
55.742In Stock
Min.: 1
Mult.: 1
Reel: 8.000

Receptacles 8 Position 0.35 mm (0.014 in) 2 Row Solder Vertical 0.6 mm 300 mA, 3 A 50 V - 40 C + 85 C Gold Copper Alloy Liquid Crystal Polymer (LCP) 505066 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SlimStack .35mm Conn Rcpt 10Ckt
Datasheet
12.597In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 8.000

Receptacles 10 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
Molex Board to Board & Mezzanine Connectors SlimStack B/B Rcpt .35mm 12Ckt
Datasheet
13.387In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 8.000

Receptacles 12 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
Molex Board to Board & Mezzanine Connectors SlimStack B/B Rcpt .35mm 20Ckt
Datasheet
5.519In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 8.000

Receptacles 20 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
Molex Board to Board & Mezzanine Connectors SLIMSTACK .35MM SSB RP PLG 20CKT ARMR NL
Datasheet
8.872In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 8.000

Headers 20 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
Molex Board to Board & Mezzanine Connectors .35 B/B Plug 40Ckt
Datasheet
7.752In Stock
Min.: 1
Mult.: 1
Reel: 8.000

Plugs 40 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 Alloy Liquid Crystal Polymer (LCP) 505070 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SlimStack .4mm Conn Plug 10Ckt
Datasheet
44.880In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7.000

Receptacles 10 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
Molex Board to Board & Mezzanine Connectors SlimStack .40mm Conn Plug 40Ckt
Datasheet
13.400In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors SlimStack .4mm Conn Plug 24Ckt
Datasheet
9.519In Stock
Min.: 1
Mult.: 1
Reel: 7.000

Headers 24 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
Molex Board to Board & Mezzanine Connectors 30 Ckt Receptacle J-leads & solder tab
Datasheet
6.087In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Receptacles 30 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
Molex Board to Board & Mezzanine Connectors 0.8 BtB Hsg Assy SMT SMT 16Ckt EmbsTp Pk
Datasheet
6.415In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Receptacles 16 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
Molex Board to Board & Mezzanine Connectors 40P VERT SMD STACK
Datasheet
3.308In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 40 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 4.5 mm, 5.5 mm 500 mA 50 V - 40 C + 105 C Tin Copper Thermoplastic (TP) 53307 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.635 BtB Plg Hsg As sy 140Ckt EmbsTp Pkg
Datasheet
1.447In Stock
Min.: 1
Mult.: 1
Reel: 700

Headers 140 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
Molex Board to Board & Mezzanine Connectors .635 PLUG SURFACE MNT 40 CKT
Datasheet
1.931In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors 40 Ckt Plug J-leads & solder tab
Datasheet
1.131In Stock
15.000Expected 4/9/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 40CKT
Datasheet
3.403In Stock
Min.: 1
Mult.: 1
Reel: 3.300

Receptacles 40 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
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM PLUG 40CKT
Datasheet
2.214In Stock
6.600Expected 4/30/2026
Min.: 1
Mult.: 1
Reel: 2.200

Headers 40 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) 203956 Reel, Cut Tape