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.

Results: 30
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (USD) 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 FSB5 .40MM RECEPT 30CKT
Datasheet
12,566In Stock
Min.: 1
Mult.: 1
Reel: 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 20Ckt
Datasheet
12,354In Stock
Min.: 1
Mult.: 1
Reel: 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
8,676In Stock
Min.: 1
Mult.: 1
Reel: 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 0.4 FLOATING BB Rec PKG 30ckt
Datasheet
16,026In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 SLIMSTACK FSB5 .40MM PLUG 60CKT
Datasheet
8,800In Stock
Min.: 1
Mult.: 1
Reel: 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
10,513In Stock
Min.: 1
Mult.: 1
Reel: 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 SLIMSTACK FSB5 .40MM PLUG 50CKT
Datasheet
6,567In Stock
Min.: 1
Mult.: 1
Reel: 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 0.4 FLOATING BB Plug PKG 30ckt
Datasheet
7,110In Stock
Min.: 1
Mult.: 1
Reel: 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 .40mm SlimStack Rec Floating 50Ckt
Datasheet
6,841In Stock
Min.: 1
Mult.: 1
Reel: 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 SLIMSTACK FSB5 .40MM RECEPT 60CKT
Datasheet
10,229In Stock
Min.: 1
Mult.: 1
Reel: 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
10,013In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 PLUG 20CKT
Datasheet
5,963In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 FSB5 .40MM RECEPT 40CKT
Datasheet
3,403In Stock
Min.: 1
Mult.: 1
Reel: 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 SLIMSTACK FSB5 .40MM PLUG 40CKT
Datasheet
2,214In Stock
6,600Expected 30/04/2026
Min.: 1
Mult.: 1
Reel: 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 .40mm SlimStack Floating Plug 20Ckt
Datasheet
1,103In Stock
Min.: 1
Mult.: 1
Reel: 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 .40mm SlimStack Floating Plug 50Ckt
Datasheet
1,984In Stock
Min.: 1
Mult.: 1
Reel: 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 .40mm SlimStack Rec Floating 40Ckt
Datasheet
1,838In Stock
Min.: 1
Mult.: 1
Reel: 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
836In Stock
6,600Expected 13/05/2026
Min.: 1
Mult.: 1
Reel: 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 .40mm SlimStack Rec Floating 60Ckt
Datasheet
875In Stock
Min.: 1
Mult.: 1
Reel: 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
804In Stock
Min.: 1
Mult.: 1
Reel: 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 .4 FLOATING BB CONN H=5 PLUG PKG
Datasheet
Non-Stocked
Min.: 6,600
Mult.: 6,600
Reel: 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
Reel: 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
Reel: 2,200

203956 Reel
Molex Board to Board & Mezzanine Connectors .4 FLOATING BB CONN H=5 PLUG PKG
Datasheet
Non-Stocked
Min.: 4,400
Mult.: 4,400
Reel: 2,200

203956 Reel
Molex 203955-0202
Molex Board to Board & Mezzanine Connectors .4 FLOATING BB CONN H=5 REC PKG
Datasheet
Non-Stocked
Min.: 13,200
Mult.: 13,200
Reel: 3,300

203955 Reel