Discontinued (May, 2024)

Released 2005
Rated Input:DC36 - 76V
Rated Output Wattage:20W
Output Voltage:1.5V,1.8V,2.5V,3.3V,5V

*Product names under 2.5v output to discontinued(May,2023)
Warranty Period 5-year

Recommended Model for Replacement

Type Model Name Released Catalog
Instruction Manuals
Documents for replacement
PCB Mount type MGS30 2010
  • Catalog
  • Instruction Manuals
  • PCB Mount type MGFS30 2010
  • Catalog
  • Instruction Manuals
    • * For further information and how to use, please see in Cosel product catalog.

    Features of SFS20

    • SMD mounting type and through-hole mounting type
    • High efficiency (synchronous rectifier circuit)
    • Parallel operation is possible
    • Built-in overcurrent, overvoltage and lowvoltage circuits
    • Built-in remote ON/OFF, alarm
    • High reliability: not built-in aluminum and tantalum electrolytic capacitor

    Ordering Information and Options

    SF(1)  S(2)  20(3)  48(4)  3R3(5)  B(6)  

    (1) Series name
    (2) Single output
    (3) Output wattage
    (4) Input voltage
       48: DC36 - 76V
    (5) Output voltage
    (6) Mounting type
      (Soldering process)
       B: SMD (Pb-free solder)
       C: DIP (Pb-free solder)

    Product Line-up

    Product Name Output Wattage Output Voltage・Current
    SFS20481R5 13.5W 1.5V 9.0A
    SFS20481R8 14.4W 1.8V 8.0A
    SFS20482R5 17.5W 2.5V 7.0A
    SFS20483R3 19.8W 3.3V 6.0A
    SFS204805 20.0W 5.0V 4.0A
    • * For further information and how to use, please see in Cosel product catalog.
    Table1 Product Status Information
    No. Product Status Definition
    1 New Product New Product. Recommended for new design.
    2 Recommended Recommended for new design.
    3 blank Product in mass production
    4 NRND Not recommended for new design.
    5 To be discontinued PDN (Product Discontinuation Notice) is issued and LTB (Last Time Buy) is under consideration.
    6 Discontinued LTB order is no longer available.