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New FB-12 Series Board to FPC Connector for Battery Connection Added to the Lineup Compatible with a rated current of 15A (approximately double that of conventional models) and offer a space saving of around 16% Product News

 SMK has developed the new FB-12 Series, as part of the FB Series large current connectors for battery connections in mobile devices such as smartphones and tablet PCs, thereby expanding its product range.
 In recent years, the demand for larger battery capacities and faster charging capabilities has increased as mobile devices have become increasingly lightweight, thin, and compact. Consequently, there are growing demands for even smaller and thinner connectors that can handle higher currents. To meet these demands, the FB-12 Series has achieved the following features:

  • Large current capacity
    The power contact supports a rated current of 15A. This is approximately double the current capacity of the previous FB-8 Series, which allows for rapid charging and high-load applications.
     
  • Space-saving design
    It is designed to be compact, with a stack height of 0.6mm and external dimensions of 1.9mm x 4.4mm. This reduces the occupied area on the board by around 16% compared to the FB-8 Series.
     
  • Highly reliable contact structure
    A double contact structure is adopted for terminal contacts to improve stability when mated.
     

The FB Series enables highly reliable and efficient power connections in increasingly advanced and compact mobile devices.

Applications
Smartphones, tablets, other mobile devices
Published DateSeptember 10th, 2025
Press Release Number1183CS
Product NameBoard to Board (FPC) Connector “FB-12 Series”
Features
  1. Low-profile and miniaturized design with a stack height of 0.6mm, width of 1.9mm and length of 4.4mm.
  2. Power terminal rated at a high current of 15A.
  3. Double contact pin structure which ensures contact reliability.
Major SpecificationsNumber of Pins8 (Power:4Pin, Signal:4Pin)
RatingAC/DC 50V, 15A
Contact Resistance2mΩ maximum (Power Pin), 30mΩ maximum (Signal Pin)
Insulation ResistanceDC 100V, 2 minutes; 1000MΩ minimum
Withstanding VoltageAC 100V, 1 minute
Operating Temperature Range-40°C to +85°C
External DimensionsW × L × H: 1.9 × 4.4 × 0.6mm
Mounting Area 8.36mm2
Mating Life10 cycles
Mounting MethodSMT
Packaging Reel
Material and PlatingHousingLCP
TerminalCu Alloy, Au Plating
Product Supply StatusMass production ready
Taking OrdersStarted
Mass ProductionStarted
Production Capacity3,000,000 units per month
Sample Price100 yen per unit
Product LineupBoard to Board (FPC) Connectors
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