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: 585
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Description Datasheet Availability Pricing (SGD) 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 0.635 BtB ST Plg Hsg Assy 30Ckt EmbsTpPk
Datasheet
243In Stock
3,040Expected 5/10/2026
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
Molex Board to Board & Mezzanine Connectors .635MM SLIMSTAK KIT
Datasheet
3In Stock
Min.: 1
Mult.: 1

Kits 0.635 mm (0.025 in) Straight 500 mA 76650
Molex Board to Board & Mezzanine Connectors 0.35 B/B Rec Assy 60Ckt EmbsTp Pkg
Datasheet
10,977In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 7,000

Receptacles 60 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
Molex Board to Board & Mezzanine Connectors 0.35 BT BTB H0.7 6P Plug
Datasheet
3,570In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 5GmmWave Flex to Board Recept Series5G15
Datasheet
2,925In Stock
Min.: 1
Mult.: 1
: 20,000

Receptacles 6 Position 0.35 mm (0.014 in) 2 Row Solder Vertical 300 mA, 1 A 50 V - 40 C + 85 C Gold Copper Alloy Liquid Crystal Polymer (LCP) 216360 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SeaRay Plug Assy 10x40x3.4 Tin Reel
Datasheet
20In Stock
500Expected 28/8/2026
Min.: 1
Mult.: 1
: 250

Headers 400 Position 1.27 mm (0.05 in) 10 Row Solder Vertical 3.5 mm 2.7 A 240 VAC - 55 C + 125 C Gold Copper Thermoplastic (TP) 45970 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 1.27MM SEARAY PLUG 4ROW 40P 8.5MM SH
Datasheet
13In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 150

Headers 40 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 7 mm 2.7 A 240 VAC - 55 C + 125 C Gold Copper Thermoplastic (TP) 46556 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 1.27MM SEARAY PLUG 4ROW 120P 8.5MM SH
Datasheet
17In Stock
150Expected 25/11/2026
Min.: 1
Mult.: 1
: 150

Headers 120 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 7 mm 2.7 A 240 VAC - 55 C + 125 C Gold Copper Thermoplastic (TP) 46556 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 1.27MM SEARAY RECPT 4ROW 120P 6.5MM SH
Datasheet
16In Stock
Min.: 1
Mult.: 1
: 210

Receptacles 120 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 8 mm 2.7 A 240 VAC - 55 C + 125 C Gold Copper Thermoplastic (TP) 46557 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 0.4 BtB Rec Hsg Assy 90Ckt
Datasheet
1,170In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Receptacles 90 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 Plug Assy 60 ssy 60Ckt EmbsTp Pk
Datasheet
3,243In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Plugs 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 2.3 mm, 2 mm 300 mA 50 V - 25 C + 85 C Gold 501745 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 B/B REC ASSY W/TAPE 14P
Datasheet
1,688In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Receptacles 14 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 W/TAPE 50P
Datasheet
1,703In Stock
Min.: 1
Mult.: 1
: 3,000

Receptacles 50 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
Molex Board to Board & Mezzanine Connectors SlimStack .40MM REC SMT DR VRT 20CKT
Datasheet
4,555In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 9,000

Receptacles 20 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) 503304 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.35 B/B PLG Assy 6Ckt EmbsTp Pkg
Datasheet
4,653In Stock
Min.: 1
Mult.: 1
: 7,000

Headers 6 Position 0.35 mm (0.014 in) 2 Row Solder Vertical 0.8 mm, 0.9 mm 300 mA 50 V - 40 C + 85 C Gold Copper Liquid Crystal Polymer (LCP) 505274 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 0.35 B/B PLG Assy 10Ckt EmbsTp Pkg
Datasheet
473In Stock
56,000Expected 29/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 7,000

Headers 10 Position 0.35 mm (0.014 in) 2 Row Solder Vertical 0.8 mm, 0.9 mm 300 mA 50 V - 40 C + 85 C Gold Copper Liquid Crystal Polymer (LCP) 505274 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack .40mm Plug 16Ckt
Datasheet
430In Stock
Min.: 1
Mult.: 1
: 7,000

Plugs 16 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 0.8 mm 300 mA 50 V - 40 C + 85 C Gold Liquid Crystal Polymer (LCP) 505550 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SlimStack .8mm Hsg SMT 24Ckt
Datasheet
770In Stock
6,000Expected 13/11/2026
Min.: 1
Mult.: 1
: 1,000

Receptacles 24 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
Molex Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 70 CKT
Datasheet
100In Stock
3,000Expected 28/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Receptacles 70 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 .8MM HDR 02X10P VT SMT
Datasheet
139In Stock
6,000Expected 28/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Headers 20 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 .635 HEADER SURFACE MNT 120 CKT
Datasheet
270In Stock
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
Molex Board to Board & Mezzanine Connectors 70CKT PLUG SMT DR VERTICAL
Datasheet
578In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Headers 70 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 0.5mm BTB SMT REC 70P 2-3 MM HEIGHT
Datasheet
1,337In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Receptacles 70 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 2 mm 500 mA 50 V - 25 C + 85 C Gold Copper Thermoplastic (TP) 54363 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 B/B RA Rec Hsg Assy 34Ckt EmbsTpPkg
Datasheet
403In Stock
9,000Expected 8/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Receptacles 34 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 300 mA 30 V - 40 C + 105 C Gold Liquid Crystal Polymer (LCP) 54552 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 BtB RA Rec Hsg Assy 40Ckt EmbsTpPkg
Datasheet
756In Stock
9,000Expected 14/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Receptacles 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 300 mA 30 V - 40 C + 105 C Gold Liquid Crystal Polymer (LCP) 54552 Reel, Cut Tape, MouseReel