Molex Inc

FSB Series 0.40 mm Pitch Floating SlimStack Board-to-Board Connectors

Molex’s FSB series facilitates assembly in the event of misalignment or blind joining with a ±0.50 mm floating range

Image of Molex's FSB5 Series 0.40 mm Pitch Floating SlimStack Board-to-Board ConnectorsMolex’s SlimStack FSB series 0.4 mm pitch floating board-to-board connectors feature ±3 mm and ±5 mm stacking height with a large X-, Y-, and Z- axis floating range for space savings and design flexibility, making them ideal for a wide range of applications in the automotive, industrial, medical, and consumer industries. The soft floating force makes assembly and operation easy and high-temperature support up to +125°C improves design applicability. These connectors support a high-speed transmission rate of up to 6 Gbps.

Physical Features
  • Housing:
    • Receptacle: LCP, UL 94V-0, black
    • Plug: LCP, UL 94V-0, black
    • Terminal: copper alloy
    • Fitting nail: copper alloy
  • Plating:
    • Terminal contact area: gold (Au)
    • Solder tail area: gold (Au)
    • Underplating: nickel (Ni)
  • Fitting nail:
    • Solder tail area: tin (Sn)
    • Underplating: nickel (Ni)
  • Operating temperature range: -40°C to +125°C
Electrical Features
  • Voltage (max.): 40 V (FSB5) and 50 V (FSB3)
  • Current (max.): 0.3 A per circuit
  • Contact resistance (max.): 80 mΩ
  • Dielectric withstanding voltage: 250 VAC
  • Insulation resistance (min.): 100 MΩ
Receptacle and Plug Illustration

    Image of Molex's FSB Series Illustration

Applications
  • Industrial
    • Automation machines
    • Transformers
    • Test equipment
  • Consumer
    • UAVs (drones)
    • Gaming consoles
    • Mini digital cameras
    • Security cameras
  • Automotive
    • Car cameras
    • Car radar
    • Car LiDAR
    • Car infotainment
    • Electric vehicle inverters
    • Electric vehicle ADAS

FSB3 Series 0.40 mm Pitch Floating SlimStack Board-to-Board Receptacles

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
0.4 FLOATING BTB REC 30CKT20492703010.4 FLOATING BTB REC 30CKT4228 - Immediate$284.71View Details
0.4 FLOATING BTB REC 40CKT20492704010.4 FLOATING BTB REC 40CKT5475 - Immediate$295.62View Details

FSB3 Series 0.40 mm Pitch Floating SlimStack Board-to-Board Plugs

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
0.4 FLOATING BTB PLUG 30CKT20492803010.4 FLOATING BTB PLUG 30CKT8895 - Immediate$309.27View Details
0.4 FLOATING BTB PLUG 40CKT20492804010.4 FLOATING BTB PLUG 40CKT6753 - Immediate$345.65View Details

FSB5 Series 0.40 mm Pitch Floating SlimStack Board-to-Board Receptacles

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CONN RCPT 20POS SMD GOLD2039550203CONN RCPT 20POS SMD GOLD15774 - Immediate$171.01View Details
CONN RCPT 30POS SMD GOLD2039550303CONN RCPT 30POS SMD GOLD5319 - Immediate$187.38View Details
CONN RCPT 40POS SMD GOLD2039550403CONN RCPT 40POS SMD GOLD8051 - Immediate$227.40View Details
CONN RCPT 50POS SMD GOLD2039550503CONN RCPT 50POS SMD GOLD10746 - Immediate$259.24View Details
CONN RCPT 60POS SMD GOLD2039550603CONN RCPT 60POS SMD GOLD9195 - Immediate$283.80View Details

FSB5 Series 0.40 mm Pitch Floating SlimStack Board-to-Board Plugs

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CONN PLUG 20POS SMD GOLD2039560203CONN PLUG 20POS SMD GOLD4735 - Immediate
6600 - Factory Stock		$201.93View Details
CONN PLUG 30POS SMD GOLD2039560303CONN PLUG 30POS SMD GOLD7530 - Immediate$207.39View Details
CONN PLUG 40POS SMD GOLD2039560403CONN PLUG 40POS SMD GOLD6374 - Immediate$233.77View Details
CONN PLUG 50POS SMD GOLD2039560503CONN PLUG 50POS SMD GOLD2931 - Immediate$265.60View Details
CONN PLUG 60POS SMD GOLD2039560603CONN PLUG 60POS SMD GOLD12466 - Immediate$318.36View Details
Updated: 2021-08-27
Published: 2019-08-21