Released 2003
Rated Input:DC18 - 36V, DC36 - 76V
Rated Output Wattage:30W
Output Voltage:1.2V,1.5V,1.8V,2.5V,3.3V,5V,10V,12V,15V

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

Features of SFS30

• 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)  30(3)  48(4)  3R3(5)  B(6)  

(1) Series name
(2) Single output
(3) Output wattage
(4) Input voltage
   24: DC18 - 36V
   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
SFS30243R3 29.7W 3.3V 9.0A
SFS302405 30.0W 5.0V 6.0A
SFS302412 30.0W 12V 2.5A
SFS302415 30.0W 15V 2.0A
SFS30483R3 29.7W 3.3V 9.0A
SFS304805 30.0W 5.0V 6.0A
SFS304810 30.0W 10V 3.0A
SFS304812 30.0W 12V 2.5A
SFS304815 30.0W 15V 2.0A
  • * 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.