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.

Results: 550
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Description Datasheet Availability Pricing (CAD) 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 .4MM PITCH HRF RECEPT 12CKT
Datasheet
49,687In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7,000

Receptacles 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) 503548 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF PLUG 12CKT
Datasheet
48,195In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 40 CKT
Datasheet
3,830In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT
Datasheet
1,964In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors 0.5 BtB Rec Hsg Assy 60Ckt EmbsTp Pkg
Datasheet
8,958In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Receptacles 60 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 2.5 mm 500 mA 50 V - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 54102 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors Mirror Mezz Conn 5.50mm Conn Hgt Mnt 10 Pair 7 Row 292 CKT 0.76um Au Plt w/ Pegs
Datasheet
44In Stock
680Expected 2026-04-29
Min.: 1
Mult.: 1

204358
Molex Board to Board & Mezzanine Connectors 0.35 BT BTB H0.7 6P Plug
Datasheet
5,301In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 120,000

Plugs 8 Position 0.35 mm (0.014 in) 2 Row Solder Vertical 18 A 50 VAC - 40 C + 85 C Gold Copper Alloy Liquid Crystal Polymer (LCP) 220251 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors Mirror Mezz Assy 2.5mm 6Px15R .76AuLF
Datasheet
637In Stock
Min.: 1
Mult.: 1
Reel: 150

Connectors 404 Position 1.5 mm (0.059 in) 15 Row Solder Vertical 2.5 mm 1 A 30 V - 55 C + 105 C Gold Copper Thermoplastic (TP) 202828 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 60CKT
Datasheet
10,229In Stock
Min.: 1
Mult.: 1
Reel: 3,300

Receptacles 60 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 MirrorMezz Hermaph 2.5mmHght 7PX11R
Datasheet
604In Stock
Min.: 1
Mult.: 1
Reel: 200

Connectors 699 Position 1.3 mm (0.051 in) 11 Row Solder Vertical 2.5 mm 1 A 30 V - 55 C + 105 C Gold Copper Thermoplastic (TP) 204843 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 0.4 B/B Plug Assy W/Tape 40P EmbsTpPkg
Datasheet
18,572In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Headers 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 1 mm 300 mA 50 V - 20 C + 85 C Gold Copper Liquid Crystal Polymer (LCP) 502430 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.35 B/B Rec Assy 60Ckt EmbsTp Pkg
Datasheet
19,484In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7,000

Headers 60 Position 0.35 mm (0.014 in) 2 Row Solder Vertical 1 mm 300 mA 50 V - 40 C + 85 C Gold Copper Liquid Crystal Polymer (LCP) 505417 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack .4mm Conn Plug 24Ckt
Datasheet
62,923In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7,000

Receptacles 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) 505550 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 60 CKT
Datasheet
2,540In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Receptacles 60 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, MouseReel
Molex Board to Board & Mezzanine Connectors 20 Ckt Vert. Recept 0.5mm SMT Dual-Row
Datasheet
24,885In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Receptacles 20 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
Molex Board to Board & Mezzanine Connectors 40 Ckt Vert. Recept. 0.5mm SMT Dual-Row
Datasheet
7,026In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors 0.5 BTB STR REC HSG TR REC HSG 529910608
Datasheet
7,382In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors 20 Ckt Vert. Plug 0.5mm SMT Dual-Row
Datasheet
21,185In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Headers 20 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
Molex Board to Board & Mezzanine Connectors 80P VERT SMT PLUG
Datasheet
5,584In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Headers 80 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
Molex Board to Board & Mezzanine Connectors 0.5 BtB Rec Hsg Assy ssy 24Ckt EmbsTp Pk
Datasheet
20,679In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 100 CKT
Datasheet
2,825In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

Headers 100 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
Molex Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 140 CKT
Datasheet
2,166In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Headers 140 Position 0.64 mm (0.025 in) 2 Row Solder Vertical 500 mA 100 V - 55 C + 105 C Gold Thermoplastic (TP) 55091 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 30 Ckt Vert. Plug 0.5 mm SMT Dual-Row
Datasheet
13,339In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Headers 30 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 1.5 mm 500 mA 50 V - 40 C + 105 C Gold Brass Liquid Crystal Polymer (LCP) 55560 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 80 Ckt Vert. Plug 0.5 mm SMT Dual-Row
Datasheet
3,456In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Headers 80 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 1.5 mm 500 mA 50 V - 40 C + 105 C Gold Brass Liquid Crystal Polymer (LCP) 55560 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors .5MM VERT PLG 30CKT SMT W/ SOLDER TAB
Datasheet
28,118In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Receptacles 30 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 2 mm 500 mA 50 V - 25 C + 85 C Gold Thermoplastic (TP) 55650 Reel, Cut Tape, MouseReel