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 QuantityView Details
0.4 FLOATING BTB REC 30CKT20492703010.4 FLOATING BTB REC 30CKT9000 - Factory StockView Details
0.4 FLOATING BTB REC 40CKT20492704010.4 FLOATING BTB REC 40CKT2987 - ImmediateView Details

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

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
0.4 FLOATING BTB PLUG 30CKT20492803010.4 FLOATING BTB PLUG 30CKT0View Details
0.4 FLOATING BTB PLUG 40CKT20492804010.4 FLOATING BTB PLUG 40CKT0View Details

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

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
CONN RCPT 20POS SMD GOLD2039550203CONN RCPT 20POS SMD GOLD1316 - ImmediateView Details
CONN RCPT 30POS SMD GOLD2039550303CONN RCPT 30POS SMD GOLD11219 - ImmediateView Details
CONN RCPT 40POS SMD GOLD2039550403CONN RCPT 40POS SMD GOLD5675 - ImmediateView Details
CONN RCPT 50POS SMD GOLD2039550503CONN RCPT 50POS SMD GOLD12664 - ImmediateView Details
CONN RCPT 60POS SMD GOLD2039550603CONN RCPT 60POS SMD GOLD4352 - ImmediateView Details

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

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
CONN PLUG 20POS SMD GOLD2039560203CONN PLUG 20POS SMD GOLD2482 - ImmediateView Details
CONN PLUG 30POS SMD GOLD2039560303CONN PLUG 30POS SMD GOLD2290 - ImmediateView Details
CONN PLUG 40POS SMD GOLD2039560403CONN PLUG 40POS SMD GOLD5855 - ImmediateView Details
CONN PLUG 50POS SMD GOLD2039560503CONN PLUG 50POS SMD GOLD3173 - ImmediateView Details
CONN PLUG 60POS SMD GOLD2039560603CONN PLUG 60POS SMD GOLD3413 - ImmediateView Details
Updated: 2021-08-27
Published: 2019-08-21