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 (JPY) 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 0.4 B/B PLG RA ASYW/ BOSS30CKTEMBSTPPKG
Datasheet
4,380In Stock
9,000Expected 10/29/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

Plugs 30 Position 0.4 mm (0.016 in) 2 Row Solder Right Angle 300 mA 30 V - 40 C + 105 C Gold 503376 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF RECEPT 6CKT
Datasheet
14,870In Stock
56,000Expected 9/29/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 12CKT
Datasheet
25,441In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 B/B Rcpt .40mm 10Ckt
Datasheet
53,409In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Plug .40mm 10Ckt
Datasheet
9,286In Stock
56,000Expected 9/29/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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) 505006 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack B/B Rcpt .35mm 20Ckt
Datasheet
14,750In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 .35 B/B Plug 40Ckt
Datasheet
6,839In Stock
Min.: 1
Mult.: 1
: 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 24Ckt
Datasheet
5,436In Stock
Min.: 1
Mult.: 1
: 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 0.4 B-TO-B REC ASSY EMBSTP PKG
Datasheet
15,026In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Receptacles 10 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 1.5 mm, 2 mm 300 mA 50 V - 25 C + 85 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 12Ckt EmbsTp Pkg
Datasheet
9,401In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Receptacles 12 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 0.8 BtB Hsg Assy SMT SMT 16Ckt EmbsTp Pk
Datasheet
4,704In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 0.8MM BTB SMT RECEPT ECEPT 18CK 524651891
Datasheet
6,488In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Receptacles 18 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 .635 RECEPTACLE SURFACE MNT 40 CKT
Datasheet
1,921In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Receptacles 40 Position 0.64 mm (0.025 in) 2 Row Solder Vertical 6 mm 500 mA 100 V - 55 C + 105 C Gold Thermoplastic (TP) 52885 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 60 CKT
Datasheet
955In Stock
3,000Expected 10/2/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 .635 RECEPTACLE SURFACE MNT 80 CKT
Datasheet
1,332In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Receptacles 80 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 .635 RECEPTACLE SURFACE MNT 120 CKT
Datasheet
2,251In Stock
Min.: 1
Mult.: 1
: 1,000

Receptacles 120 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
Molex Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 160 CKT
Datasheet
678In Stock
4,000Expected 11/23/2026
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
Molex Board to Board & Mezzanine Connectors .635 RECEPTACLE SURFACE MNT 60 CKT
Datasheet
1,669In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 440

Receptacles 60 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 40P VERT SMD STACK
Datasheet
877In Stock
3,500Expected 8/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 SlimStack .635mm Plg 60Ckt
Datasheet
535In Stock
Min.: 1
Mult.: 1
: 1,000

Headers 60 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
Molex Board to Board & Mezzanine Connectors .635 HEADER SURFACE MNT 120 CKT
Datasheet
287In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

Headers 120 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 60 CKT
Datasheet
440In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 840

Headers 60 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 .635 HEADER SURFACE MNT 160 CKT
Datasheet
1,493In Stock
Min.: 1
Mult.: 1
: 750

Headers 160 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
Molex Board to Board & Mezzanine Connectors .635 PLUG SURFACE MNT 40 CKT
Datasheet
3,194In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 20 Ckt Plug J-leads & solder tab
Datasheet
2,860In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Headers 20 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