Released 1997
Rated Input: AC85 - 132V/170 - 264V 1Φ
Rated Output Wattage: 300W
Rated Output Voltage: 3V,5V,9V,12V,15V,18V,24V,30V,48V
Warranty Period 2-year

This power supply is manufactured by SMD technology. The stress to P.C.B like twisting or bending causes the defect of the unit, so handle the unit with care.

Features of LDA300W

• Rugged PCB type (CEM3)
• Input range
LDA10 - 75F (AC85 - 264V)
LDA100 - 300W (AC85 - 132V/AC170 - 264V)
Autoranging input
• Built-in inrush current limiting, overcurrent and overvoltage protection circuits

Ordering Information and Options

LDA(1)  300(2)  W(3)  -  5(4)  -  (5)  

(1) Series name
(2) Output wattage
(3) Autoranging input
(4) Output voltage
(5) Optional *
  C: with Coating
  G: Low leakage current
  L: with LED
  R: with Remote ON/OFF
  S: with Chassis
  SNF: with Chassis & cover & fan
  T: Vertical terminal block
*Please contact us about safety approvals for the model with option.

Recommended EMI Filters

Product Line-up

Product Name Output Wattage Output Voltage・Current
LDA300W-3 180W 3V 60A
LDA300W-5 300W 5V 60A
LDA300W-9 306W 9V 34A
LDA300W-12 324W 12V 27A
LDA300W-15 330W 15V 22A
LDA300W-18 306W 18V 17A
LDA300W-24 336W 24V 14A
LDA300W-30 300W 30V 10A
LDA300W-48 302.4W 48V 6.3A
  • * For further information and how to use, please see in Cosel product catalog.

Optional Parts


Category Part Number Description PDF DXF
H-IN-7 Mating harness for input with J option. (Mfr : Tyco Electronics) -
H-OU-22 Mating harness for output with J option. (Mfr : Tyco Electronics) -
H-RC-1 Harness for using option : -R. -