Released 2003
Rated Input: DC18 - 36V, DC36 - 76V *
Rated Output Wattage: 75 - 168W
Rated Output Voltage: 1.5V,1.8V,2.5V,3.3V,5V,12V,15V
*Input voltage range depends on model
Warranty Period 5-year

Features of CQS

• 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

CQ(1)  S(2)  48(3)  018(4)  -  50(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
  120: 12V
  150: 15V
(5) Output current
(6) Optional
  R: with Remote ON/OFF
    Positive logic control
  V: Output voltage setting ±1%
  N: Auto restart from thermal protection

Product Line-up

Product Name Output Wattage Output Voltage・Current
CQS24033-40 132.0W 3.3V 40.0A
CQS24050-28 140.0W 5V 28A
CQS24120-12 144.0W 12V 12A
CQS24150-8 120.0W 15V 8A
CQS48015-50 75.0W 1.5V 50A
CQS48018-50 90.0W 1.8V 50A
CQS48025-45 112.5W 2.5V 45A
CQS48033-45 148.5W 3.3V 45A
CQS48050-28 140.0W 5V 28A
CQS48120-14 168.0W 12V 14A
CQS48150-8 120.0W 15V 8A
  • * For further information and how to use, please see in Cosel product catalog.