FSB SlimStack Board-to-Board Connectors

Molex FSB SlimStack Board-to-Board Connectors feature an extensive floating range for space-saving and design flexibility. The connectors feature a ±0.50mm floating range in X-, Y-, and Z-axis directions to facilitate assembly in the event of misalignment or blind joining. The compact connectors have a 0.40mm pitch, a height of only 5mm, and a width of 3.80mm. The series supports high-speed transmission rates up to 6Gbps. FSB connectors are ideal for various automotive, industrial, and consumer applications.

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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 .40mm SlimStack Rec Floating 20Ckt
Datasheet
11,002In Stock
Min.: 1
Mult.: 1
: 3,000

Receptacles 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204927 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors .40mm SlimStack Floating Plug 40Ckt
Datasheet
8,149In Stock
Min.: 1
Mult.: 1
: 3,000

Headers 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204928 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors .40mm SlimStack Floating Plug 50Ckt
Datasheet
8,979In Stock
Min.: 1
Mult.: 1
: 3,000

Headers 50 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204928 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM PLUG 60CKT
Datasheet
7,593In Stock
Min.: 1
Mult.: 1
: 2,200

Headers 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203956 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 50CKT
Datasheet
8,627In Stock
Min.: 1
Mult.: 1
: 3,300

Receptacles 50 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203955 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors 0.4 FLOATING BB Rec PKG 30ckt
Datasheet
15,662In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Receptacles 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204928 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors 0.4 FLOATING BB Plug PKG 30ckt
Datasheet
6,294In Stock
Min.: 1
Mult.: 1
: 3,000

Headers 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204928 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 40CKT
Datasheet
3,377In Stock
Min.: 1
Mult.: 1
: 3,300

Receptacles 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203955 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors .40mm SlimStack Floating Plug 20Ckt
Datasheet
9,609In Stock
Min.: 1
Mult.: 1
: 3,000

Headers 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204928 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 60CKT
Datasheet
7,507In Stock
Min.: 1
Mult.: 1
: 3,300

Receptacles 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203955 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 20CKT
Datasheet
7,676In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

Receptacles 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203955 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM RECEPT 30CKT
Datasheet
9,033In Stock
Min.: 1
Mult.: 1
: 3,300

Receptacles 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203955 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors .40mm SlimStack Rec Floating 40Ckt
Datasheet
1,305In Stock
Min.: 1
Mult.: 1
: 3,000

Receptacles 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204927 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM PLUG 30CKT
Datasheet
4,642In Stock
Min.: 1
Mult.: 1
: 2,200

Headers 30 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203956 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM PLUG 40CKT
Datasheet
7,701In Stock
Min.: 1
Mult.: 1
: 2,200

Headers 40 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203956 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM PLUG 50CKT
Datasheet
5,266In Stock
Min.: 1
Mult.: 1
: 2,200

Headers 50 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203956 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors .40mm SlimStack Rec Floating 50Ckt
Datasheet
5,589In Stock
Min.: 1
Mult.: 1
: 3,000

Receptacles 50 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204927 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors .40mm SlimStack Rec Floating 60Ckt
Datasheet
864In Stock
Min.: 1
Mult.: 1
: 3,000

Receptacles 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204927 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors .40mm SlimStack Floating Plug 60Ckt
Datasheet
730In Stock
Min.: 1
Mult.: 1
: 3,000

Headers 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 204928 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SLIMSTACK FSB5 .40MM PLUG 20CKT
Datasheet
604In Stock
6,600Expected 4/6/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,200

Headers 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 5 mm 300 mA 40 V - 40 C + 125 C Gold Copper Liquid Crystal Polymer (LCP) 203956 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SlimStack Board-to-Board Plug, 0.40mm Pitch, FSB3 Floating Series, 3.00mm Mated Height, 3.20 Mated Width, Without Cover Tape, 20 Circuits
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 9,000
Mult.: 9,000
: 3,000

Plug 20 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Alloy Liquid Crystal Polymer (LCP) 204928 Reel
Molex Board to Board & Mezzanine Connectors SlimStack Board-to-Board Plug, 0.40mm Pitch, FSB3 Floating Series, 3.00mm Mated Height, 3.20 Mated Width, Without Cover Tape, 60 Circuits
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 6,000
Mult.: 6,000
: 3,000

Plug 60 Position 0.4 mm (0.016 in) 2 Row Solder Vertical 3 mm 300 mA 40 V - 40 C + 125 C Gold Copper Alloy Liquid Crystal Polymer (LCP) 204928 Reel
Molex Board to Board & Mezzanine Connectors .4 FLOATING BB CONN H=5 PLUG PKG
Datasheet
Non-Stocked
Min.: 6,600
Mult.: 6,600
: 2,200

203956 Reel
Molex Board to Board & Mezzanine Connectors .4 FLOATING BB CONN H=5 PLUG PKG
Datasheet
Non-Stocked
Min.: 6,600
Mult.: 6,600
: 2,200

203956 Reel
Molex Board to Board & Mezzanine Connectors .4 FLOATING BB CONN H=5 PLUG PKG
Datasheet
Non-Stocked
Min.: 6,600
Mult.: 6,600
: 2,200

203956 Reel