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 30CKT4598 - Immediate$25.77View Details
0.4 FLOATING BTB REC 40CKT20492704010.4 FLOATING BTB REC 40CKT6681 - Immediate$26.75View 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 30CKT17093 - Immediate$27.99View Details
0.4 FLOATING BTB PLUG 40CKT20492804010.4 FLOATING BTB PLUG 40CKT7769 - Immediate$31.28View 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 GOLD4731 - Immediate$15.48View Details
CONN RCPT 30POS SMD GOLD2039550303CONN RCPT 30POS SMD GOLD7069 - Immediate$16.96View Details
CONN RCPT 40POS SMD GOLD2039550403CONN RCPT 40POS SMD GOLD11429 - Immediate$20.58View Details
CONN RCPT 50POS SMD GOLD2039550503CONN RCPT 50POS SMD GOLD1794 - Immediate$23.46View Details
CONN RCPT 60POS SMD GOLD2039550603CONN RCPT 60POS SMD GOLD14962 - Immediate$25.68View 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 GOLD0 - Immediate$18.28View Details
CONN PLUG 30POS SMD GOLD2039560303CONN PLUG 30POS SMD GOLD8861 - Immediate$18.77View Details
CONN PLUG 40POS SMD GOLD2039560403CONN PLUG 40POS SMD GOLD2822 - Immediate$21.16View Details
CONN PLUG 50POS SMD GOLD2039560503CONN PLUG 50POS SMD GOLD5338 - Immediate$24.04View Details
CONN PLUG 60POS SMD GOLD2039560603CONN PLUG 60POS SMD GOLD6281 - Immediate$28.81View Details
Updated: 2021-08-27
Published: 2019-08-21