Released 2003
Rated Input:DC18 - 36V, DC36 - 76V
Rated Output Wattage:15W
Output Voltage:1.2V,1.5V,1.8V,2.5V,3.3V,5V,12V,15V

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

Features of SFS15

• 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)  15(3)  48(4)  3R3(5)  B(6)  

(1) Series name
(2) Single output
(3) Output wattage
(4) Input voltage
   24: DC18+AD17: AD26 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
SFS15243R3 14.85W 3.3V 4.5A
SFS152405 15.0W 5.0V 3.0A
SFS152412 15.0W 12V 1.25A
SFS152415 15.0W 15V 1.0A
SFS15483R3 14.85W 3.3V 4.5A
SFS154805 15.0W 5.0V 3.0A
SFS154812 15.0W 12V 1.25A
SFS154815 15.0W 15V 1.0A
  • * 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.