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 (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 SeaRay Slim PlugAssy 04X10 2.9 Tin
Datasheet
140In Stock
Min.: 1
Mult.: 1
: 280

Headers 40 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 3 mm 2.7 A 240 VAC - 55 C + 125 C Gold Copper Thermoplastic (TP) 46556 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SeaRay Slim Plug 04X40 2.9 Tin
Datasheet
245In Stock
280Expected 8/28/2026
Min.: 1
Mult.: 1
: 280

Headers 160 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 3 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 PLUG 4ROW 160P 8.5MM SH
Datasheet
190In Stock
150Expected 10/26/2026
Min.: 1
Mult.: 1
: 150

Headers 160 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 PLUG 4ROW 200P 8.5MM SH
Datasheet
103In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 150

Headers 200 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 SeaRay Slim Plug Ass g Assy 04X25 1.9 Ti
Datasheet
300In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 300

Headers 100 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 2 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 RECPT 4ROW 40P 3.5MM SH
Datasheet
327In Stock
Min.: 1
Mult.: 1

Receptacles 40 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 5 mm 2.7 A 240 VAC - 55 C + 125 C Gold Copper Thermoplastic (TP) 46557 Tray
Molex Board to Board & Mezzanine Connectors 1.27MM SEARAY RECPT 4ROW 40P 6.5MM SH
Datasheet
130In Stock
210Expected 12/31/2026
MouseReel Available
Min.: 1
Mult.: 1
: 210

Receptacles 40 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, MouseReel
Molex Board to Board & Mezzanine Connectors SeaRay Slim Rect Ass Assy 04X25X 5.1 Tin
Datasheet
348In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 350

Receptacles 100 Position 1.27 mm (0.05 in) 4 Row Solder Vertical 5 mm 2.7 A 240 VAC - 55 C + 125 C Gold Copper Thermoplastic (TP) 46557 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 BtB Rec Hsg Assy ssy 30Ckt EmbsTp Pkg
Datasheet
3.494In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Plug Assy 50Ckt EmbsTp Pkg
Datasheet
5.194In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Headers 50 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 2 mm, 2.3 mm 300 mA 50 V - 40 C + 105 C Gold Brass, Phosphor Bronze Liquid Crystal Polymer (LCP) 501745 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 B/B Plug Assy 70Ckt EmbsTp Pkg
Datasheet
2.283In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

Headers 70 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 2 mm, 2.3 mm 300 mA 50 V - 40 C + 105 C Gold Brass, Phosphor Bronze Liquid Crystal Polymer (LCP) 501745 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 B/B PLUG ASSY H=2 EMBSTP PKG
Datasheet
2.174In Stock
Min.: 1
Mult.: 1

Headers 12 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 2 mm, 2.3 mm 300 mA 50 V - 40 C + 105 C Gold Brass, Phosphor Bronze Liquid Crystal Polymer (LCP) 501745
Molex Board to Board & Mezzanine Connectors 0.5 B/B Plug Hsg Assy 40 Ckt
Datasheet
4.706In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Plugs 40 Position 0.5 mm (0.02 in) 2 Row Solder Vertical 4 mm 500 mA 50 V - 40 C + 105 C Gold 501920 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 B/B REC ASSY W/TAPE 20P
Datasheet
9.262In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 SlimStack .4mm Plg SMT DR Vrt Stk 8Ckt
Datasheet
7.852In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 7.000

Headers 8 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 1 mm 300 mA 50 V - 20 C + 85 C Gold Copper 502430 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack .4mm Plg SMT DR Vrt Stk 30Ckt
Datasheet
2.609In Stock
Min.: 1
Mult.: 1
: 7.000

Headers 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 1 mm 300 mA 50 V - 20 C + 85 C Gold Liquid Crystal Polymer (LCP) 502430 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 0.4 B/B Plug Assy 20Ckt EmbsTpPkg
Datasheet
6.284In Stock
24.000Expected 2/18/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

Headers 20 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 EMBOSSED TAPE PCKG
Datasheet
5.172In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

Plugs 40 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 B/B Rcpt .35mm 40Ckt
Datasheet
10.453In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 8.000

Receptacles 40 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 0.35 B/B Rec Assy 34Ckt EmbsTp Pkg
Datasheet
5.702In Stock
42.000Expected 2/4/2027
Min.: 1
Mult.: 1
: 7.000

Headers 34 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
Molex Board to Board & Mezzanine Connectors 0.35 B/B Rec Assy 60Ckt EmbsTp Pkg
Datasheet
13.456In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 SS Hybrid Pwr Recep 4 Pwr / 6S Contacts
Datasheet
16.401In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

Receptacles 10 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 0.6 mm 500 mA, 5 A 50 V - 40 C + 85 C Gold Liquid Crystal Polymer (LCP) 505473 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SS Hybrid Pwr Plug 4 Pwr / 6S Contacts
Datasheet
7.755In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

Plugs 10 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 0.6 mm 500 mA, 5 A 50 V - 40 C + 85 C Gold Liquid Crystal Polymer (LCP) 505476 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack .4mm Conn Plug 10Ckt
Datasheet
18.772In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 .4mm Conn Plug 24Ckt
Datasheet
21.300In Stock
56.000Expected 8/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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