Cosel SFS Series

  • Super compact and highly efficient isolated DC/DC converters
  • DC input ranges: 24VDC(18~36VDC), 48VDC(36~76VDC)
  • Operating temperature: -40~+85°C
  • Available in SMD (surface mount) type [p/n suffix: B] and DIP (through-hole mounting) type [p/n suffix: C]
  • Parallel and series operation is possible
  • Built-in over current, over voltage and low voltage circuits
  • Built-in remote on/off and alarm
  • High reliability: no built-in aluminium and tantalum electrolytic capacitors
  • Ideal for use in telecommunications systems
  • Cosel 5 year warranty
  • TRC Electronics is the USA stocking headquarters of Cosel SFS DC/DC converters. Contact us for award winning service.
SFS Series DC/DC Converters
Safety Logos
Cosel
Model #
Input
Voltage
Max. Output
Power
Output
Voltage
Output
Current
Mounting
Type
SFS10481R2B 36~76VDC 4.2W 1.2VDC 3.5A Surface Mount Type
SFS10481R2C 36~76VDC 4.2W 1.2VDC 3.5A Through Hole Type
SFS10481R5B 36~76VDC 5.25W 1.5VDC 3.5A Surface Mount Type
SFS10481R5C 36~76VDC 5.25W 1.5VDC 3.5A Through Hole Type
SFS10481R8B 36~76VDC 5.4W 1.8VDC 3A Surface Mount Type
SFS10481R8C 36~76VDC 5.4W 1.8VDC 3A Through Hole Type
SFS104802B 36~76VDC 6W 2VDC 3A Surface Mount Type
SFS104802C 36~76VDC 6W 2VDC 3A Through Hole Type
SFS10482R5B 36~76VDC 7.5W 2.5VDC 3A Surface Mount Type
SFS10482R5C 36~76VDC 7.5W 2.5VDC 3A Through Hole Type
SFS10483R3B 36~76VDC 9.9W 3.3VDC 3A Surface Mount Type
SFS10483R3C 36~76VDC 9.9W 3.3VDC 3A Through Hole Type
SFS104805B 36~76VDC 10W 5VDC 2A Surface Mount Type
SFS104805C 36~76VDC 10W 5VDC 2A Through Hole Type
SFS104812B 36~76VDC 10.8W 12VDC 0.9A Surface Mount Type
SFS104812C 36~76VDC 10.8W 12VDC 0.9A Through Hole Type
SFS104815B 36~76VDC 10.5W 15VDC 0.7A Surface Mount Type
SFS104815C 36~76VDC 10.5W 15VDC 0.7A Through Hole Type

Safety Logos
Cosel
Model #
Input
Voltage
Max. Output
Power
Output
Voltage
Output
Current
Mounting
Type
SFS15241R5B 18~36VDC 7.8W 1.5VDC 5.2A Surface Mount Type
SFS15241R5C 18~36VDC 7.8W 1.5VDC 5.2A Through Hole Type
SFS15241R8B 18~36VDC 8.1W 1.8VDC 4.5A Surface Mount Type
SFS15241R8C 18~36VDC 8.1W 1.8VDC 4.5A Through Hole Type
SFS15242R5B 18~36VDC 11.25W 2.5VDC 4.5A Surface Mount Type
SFS15242R5C 18~36VDC 11.25W 2.5VDC 4.5A Through Hole Type
SFS15243R3B 18~36VDC 14.85W 3.3VDC 4.5A Surface Mount Type
SFS15243R3C 18~36VDC 14.85W 3.3VDC 4.5A Through Hole Type
SFS152405B 18~36VDC 15W 5VDC 3A Surface Mount Type
SFS152405C 18~36VDC 15W 5VDC 3A Through Hole Type
SFS152412B 18~36VDC 15W 12VDC 1.25A Surface Mount Type
SFS152412C 18~36VDC 15W 12VDC 1.25A Through Hole Type
SFS152415B 18~36VDC 15W 15VDC 1A Surface Mount Type
SFS152415C 18~36VDC 15W 15VDC 1A Through Hole Type
SFS15481R2B 36~76VDC 6.24W 1.2VDC 5.2A Surface Mount Type
SFS15481R2C 36~76VDC 6.24W 1.2VDC 5.2A Through Hole Type
SFS15481R5B 36~76VDC 7.8W 1.5VDC 5.2A Surface Mount Type
SFS15481R5C 36~76VDC 7.8W 1.5VDC 5.2A Through Hole Type
SFS15481R8B 36~76VDC 8.1W 1.8VDC 4.5A Surface Mount Type
SFS15481R8C 36~76VDC 8.1W 1.8VDC 4.5A Through Hole Type
SFS154802B 36~76VDC 9W 2VDC 4.5A Surface Mount Type
SFS154802C 36~76VDC 9W 2VDC 4.5A Through Hole Type
SFS15482R5B 36~76VDC 11.25W 2.5VDC 4.5A Surface Mount Type
SFS15482R5C 36~76VDC 11.25W 2.5VDC 4.5A Through Hole Type
SFS15483R3B 36~76VDC 14.85W 3.3VDC 4.5A Surface Mount Type
SFS15483R3C 36~76VDC 14.85W 3.3VDC 4.5A Through Hole Type
SFS154805B 36~76VDC 15W 5VDC 3A Surface Mount Type
SFS154805C 36~76VDC 15W 5VDC 3A Through Hole Type
SFS154812B 36~76VDC 15W 12VDC 1.25A Surface Mount Type
SFS154812C 36~76VDC 15W 12VDC 1.25A Through Hole Type
SFS154815B 36~76VDC 15W 15VDC 1A Surface Mount Type
SFS154815C 36~76VDC 15W 15VDC 1A Through Hole Type

Safety Logos
Cosel
Model #
Input
Voltage
Max. Output
Power
Output
Voltage
Output
Current
Mounting
Type
SFS20481R5B 36~76VDC 13.5W 1.5VDC 9A Surface Mount Type
SFS20481R5C 36~76VDC 13.5W 1.5VDC 9A Through Hole Type
SFS20481R8B 36~76VDC 14.4W 1.8VDC 8A Surface Mount Type
SFS20481R8C 36~76VDC 14.4W 1.8VDC 8A Through Hole Type
SFS20482R5B 36~76VDC 17.5W 2.5VDC 7A Surface Mount Type
SFS20482R5C 36~76VDC 17.5W 2.5VDC 7A Through Hole Type
SFS20483R3B 36~76VDC 19.8W 3.3VDC 6A Surface Mount Type
SFS20483R3C 36~76VDC 19.8W 3.3VDC 6A Through Hole Type
SFS204805B 36~76VDC 20W 5VDC 4A Surface Mount Type
SFS204805C 36~76VDC 20W 5VDC 4A Through Hole Type

Safety Logos
Cosel
Model #
Input
Voltage
Max. Output
Power
Output
Voltage
Output
Current
Mounting
Type
SFS30241R2B 18~36VDC 10.4W 1.2VDC 10.4A Surface Mount Type
SFS30241R2C 18~36VDC 10.4W 1.2VDC 10.4A Through Hole Type
SFS30241R5B 18~36VDC 10.4W 1.5VDC 10.4A Surface Mount Type
SFS30241R5C 18~36VDC 10.4W 1.5VDC 10.4A Through Hole Type
SFS30241R8B 18~36VDC 16.2W 1.8VDC 9A Surface Mount Type
SFS30241R8C 18~36VDC 16.2W 1.8VDC 9A Through Hole Type
SFS30242R5B 18~36VDC 22.5W 2.5VDC 9A Surface Mount Type
SFS30242R5C 18~36VDC 22.5W 2.5VDC 9A Through Hole Type
SFS30243R3B 18~36VDC 29.7W 3.3VDC 9A Surface Mount Type
SFS30243R3C 18~36VDC 29.7W 3.3VDC 9A Through Hole Type
SFS302405B 18~36VDC 30W 5VDC 6A Surface Mount Type
SFS302405C 18~36VDC 30W 5VDC 6A Through Hole Type
SFS302412B 18~36VDC 30W 12VDC 2.5A Surface Mount Type
SFS302412C 18~36VDC 30W 12VDC 2.5A Through Hole Type
SFS302415B 18~36VDC 30W 15VDC 2A Surface Mount Type
SFS302415C 18~36VDC 30W 15VDC 2A Through Hole Type
SFS30481R2B 36~76VDC 12.48W 1.2VDC 10.4A Surface Mount Type
SFS30481R2C 36~76VDC 12.48W 1.2VDC 10.4A Through Hole Type
SFS30481R5B 36~76VDC 15.6W 1.5VDC 10.4A Surface Mount Type
SFS30481R5C 36~76VDC 15.6W 1.5VDC 10.4A Through Hole Type
SFS30481R8B 36~76VDC 16.2W 1.8VDC 9A Surface Mount Type
SFS30481R8C 36~76VDC 16.2W 1.8VDC 9A Through Hole Type
SFS304802B 36~76VDC 18W 2VDC 9A Surface Mount Type
SFS304802C 36~76VDC 18W 2VDC 9A Through Hole Type
SFS30482R5B 36~76VDC 22.5W 2.5VDC 9A Surface Mount Type
SFS30482R5C 36~76VDC 22.5W 2.5VDC 9A Through Hole Type
SFS30483R3B 36~76VDC 29.7W 3.3VDC 9A Surface Mount Type
SFS30483R3C 36~76VDC 29.7W 3.3VDC 9A Through Hole Type
SFS304805B 36~76VDC 30W 5VDC 6A Surface Mount Type
SFS304805C 36~76VDC 30W 5VDC 6A Through Hole Type
SFS304810B 36~76VDC 30W 10VDC 3A Surface Mount Type
SFS304810C 36~76VDC 30W 10VDC 3A Through Hole Type
SFS304812B 36~76VDC 30W 12VDC 2.5A Surface Mount Type
SFS304812C 36~76VDC 30W 12VDC 2.5A Through Hole Type
SFS304815B 36~76VDC 30W 15VDC 2A Surface Mount Type
SFS304815C 36~76VDC 30W 15VDC 2A Through Hole Type

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