Discontinued (May, 2023)

Released 2003

Features of CES24033-25

• Compact DC-DC Converter, "BRICK SIZE" which has been standard size for Telecommunication Market
• High efficiency
• High density
• High reliability: not built-in aluminum and tantalum electrolytic capacitor
• Built-in overcurrent, overvoltage and thermal protection circuits
• Built-in remote ON/OFF

Ordering Information and Options

CE(1)  S(2)  48(3)  018(4)  -  30(5)  -  (6)  

(1) Series name
(2) Single output
(3) Input voltage
  24: DC18 - 36V
  48: DC36 - 76V
(4) Output voltage
  015: 1.5V
  018: 1.8V
  025: 2.5V
  033: 3.3V
  050: 5V
  060: 6V
  120: 12V
  150: 15V
(5) Output current
(6) Optional
  S: SMD
  R: with Remote ON/OFF
    Positive logic control
  V: Ouput voltage setting ±1%
  N: Auto restart from thermal protection


Contents Specifications
Input Voltage DC18 - 36V
Output Wattage 82.5W
Voltage/Current 3.3V 25A
Adjustable  Voltage Range Fixed (TRM pin open), adjustable by external resistor
Protection Circuit And Others Overcurrent Protection Works over 105% of rating, low voltage protection (shut down) function is built-in.
Overvoltage Protection 125% - 135%
Remote ON/OFF Provided (Negative logic L: ON, H: OFF)
Remote Sensing Provided
Others -
Operating Temperature/Humidity -40 to +85℃, 20 to 95%RH (Non condensing) *
Safety And Noise Regulations Agency Approvals (At only AC input) UL60950-1, C-UL (CSA60950-1) , EN62368-1
Conducted Noise -
High Attenuation -
Others Dimensions (WxHxD) 57.9x8.5x22.76mm [2.28x0.33x0.9 inches]
Weight 26g max
Cooling Method Convection/Forced air
Warranty Period 5-year
  • * For further information and how to use, please see in Cosel product catalog.

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Technical Data
  • * For another documents aren't listed, please feel free to contact to a Cosel representative.
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.