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 (IDR) 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 .635 RECEPTACLE SURFACE MNT 20 CKT
Datasheet
1.841In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 440

Receptacles 20 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 0.635 BtB ST Rec Hsg Assy100CktEmbsTpPkg
Datasheet
585In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 440

Receptacles 100 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 RECEPTACLE SURFACE MNT 140 CKT
Datasheet
319In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 440

Receptacles 140 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 .5MM 80P V RECPT 3 & 4MM STACK HGHT
Datasheet
1.250In Stock
9.000Expected 07/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Receptacles 80 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 WAFERASSY ST10CKT SMT
Datasheet
7.254In Stock
8.000Expected 06/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 10 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 0.8 BtB WaferAssy ST SMT 12Ckt EmbsTpPkg
Datasheet
8.460In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 12 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 0.8 BtB WaferAssy ST SMT 24Ckt EmbsTpPkg
Datasheet
3.444In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 24 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 .80 MM B-T-B HEADER
Datasheet
4.051In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 30 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 40 CKT
Datasheet
1.741In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 40 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
Molex Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 50 CKT
Datasheet
1.864In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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
Molex Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 80 CKT
Datasheet
881In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 80 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
Molex Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 30 CKT
Datasheet
625In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 700

Headers 30 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 .635 HEADER SURFACE MNT 40 CKT
Datasheet
2.780In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 700

Headers 40 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 .635 HEADER SURFACE MNT 60 CKT
Datasheet
1.808In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 700

Headers 60 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 .635 HEADER SURFACE MNT 70 CKT
Datasheet
1.156In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 700

Headers 70 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 .635 HEADER SURFACE MNT 100 CKT
Datasheet
325In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 700

Headers 100 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 .635 HEADER SURFACE MNT 120 CKT
Datasheet
322In Stock
Min.: 1
Mult.: 1
Reel: 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 SlimStack .635MM PLG 10MM/16MM MTH 160CKT
Datasheet
338In Stock
Min.: 1
Mult.: 1
Reel: 700

Headers 160 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 HEADER SURFACE MNT 20 CKT
Datasheet
1.591In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 840

Headers 20 Position 0.64 mm (0.025 in) 2 Row Solder Vertical 8 mm, 14 mm 500 mA 100 V - 55 C + 105 C Gold Copper Polyphenylene Sulfide (PPS) 53647 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.635 BtB ST Plg Hsg Assy 30Ckt EmbsTpPk
Datasheet
849In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 30 Ckt Vert. Plug 0.5mm SMT Dual-Row
Datasheet
5.074In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Headers 30 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 20 Ckt Vert. Plug w/out solder tab
Datasheet
9.644In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Headers 20 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 2.5 mm 500 mA 50 V - 40 C + 105 C Gold Brass Liquid Crystal Polymer (LCP) 53885 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors .5MM VERT PLG 60CKT SMT W/O SOLDER TAB
Datasheet
761In Stock
12.000Expected 19/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Headers 60 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 2.5 mm 500 mA 50 V - 40 C + 105 C Gold Brass Liquid Crystal Polymer (LCP) 53885 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors .5MM 2R VERT 20P PLG SMT W/O SLDR TAB
Datasheet
4.675In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Receptacles 20 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 500 mA 50 V - 40 C + 105 C Gold 53916 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.5mm BTB SMT REC 30P 2-3 MM HEIGHT
Datasheet
967In 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 - 40 C + 105 C Gold Copper Thermoplastic (TP) 54363 Reel, Cut Tape, MouseReel