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 SlimStack 0.635 ST Plu HSG 60CKT
Datasheet
98In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Plugs 60 Position 0.64 mm (0.025 in) 2 Row Solder Vertical 500 mA 100 V - 55 C + 105 C Gold Thermoplastic (TP) 53481 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack .35mm Conn Rcpt 40Ckt Armornail
Datasheet
186In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7.000

Receptacles 40 Position 0.35 mm (0.014 in) 2 Row Solder Vertical 0.7 mm, 0.8 mm 300 mA 50 V - 40 C + 85 C Gold Copper Liquid Crystal Polymer (LCP) 505070 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack .40mm Conn Plug 30Ckt
Datasheet
39In Stock
Min.: 1
Mult.: 1
Reel: 7.000

Headers 30 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 BtB Rec Hsg Assy 70Ckt
Datasheet
6In Stock
Min.: 1
Mult.: 1
Reel: 1.500

Receptacles 70 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
Molex Board to Board & Mezzanine Connectors 0.4 B/B REC ASSY W/TAPE 26P
Datasheet
175In Stock
Min.: 1
Mult.: 1
Reel: 3.000

Receptacles 26 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 0.4 B/B Plug Assy W/ Tape 14Ckt EmbsTpPkg
Datasheet
515In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Headers 14 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 0.4 B/B PLUG ASSY W/TAPE 26P
Datasheet
183In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Headers 26 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 SLIMSTACK .4MM PITCH HRF PLUG 14CKT
Datasheet
91In Stock
Min.: 1
Mult.: 1
Reel: 7.000

Headers 14 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
Molex Board to Board & Mezzanine Connectors SlimStack .40mm Plug 16Ckt
Datasheet
617In Stock
Min.: 1
Mult.: 1
Reel: 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 0.4BtB RecHsgAssyJ-B endTl100CktEmbsTpPkg
Datasheet
484In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Receptacles 100 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 1.5 mm, 2 mm 300 mA 50 V - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 51338 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 22 Ckt Receptacle J-leads & solder tab
Datasheet
111In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Receptacles 22 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 1.5 mm, 2 mm 300 mA 50 V - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 51338 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack .40mm Jbend Recpt 54Ckt
Datasheet
621In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Receptacles 54 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 .635 RECEPTACLE SURFACE MNT 240 CKT
Datasheet
1In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Receptacles 240 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 70 Ckt Vert. Recept. 0.5mm SMT Dual-Row
Datasheet
134In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Receptacles 70 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 SlimStack .635mm Plg 70Ckt
Datasheet
117In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Headers 70 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 30 CKT
Datasheet
229In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 840

Headers 30 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 60POS 3MM SMD 60P .5mm
Datasheet
361In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Headers 60 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 40P 2.5MM HEIGHT
Datasheet
105In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Receptacles 40 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 0.5mm BTB SMT REC 50P 2-3 MM HEIGHT
Datasheet
93In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Receptacles 50 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
Molex Board to Board & Mezzanine Connectors 0.5mm BTB SMT REC 60P 1.5MM HEIGHT
Datasheet
666In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Receptacles 60 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 70 CKT
Datasheet
137In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Headers 70 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 50CKT PLUG SMT DR VERTICAL
Datasheet
148In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Headers 50 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 SlimStack .40MM REC SMT DR VRT 50CKT
Datasheet
444In Stock
Min.: 1
Mult.: 1
Reel: 9.000

Connectors 50 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 300 mA 50 V - 40 C + 85 C Gold Liquid Crystal Polymer (LCP) 503304 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors Mirror Mezz Assy 2.5mm 15Px11R .76Au
Datasheet
450In Stock
150Expected 24/02/2026
Min.: 1
Mult.: 1
Reel: 150

688 Position 2.5 mm (0.098 in) 11 Row Vertical 30 V - 55 C + 105 C Gold 202828 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK .4MM PITCH HRF PLUG 6CKT
Datasheet
55.753Expected 17/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 7.000

Headers 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) 503552 Reel, Cut Tape, MouseReel