CQHS3004832

Released 2010

Features of CQHS3004832

• 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

CQH(1)  S(2)  300(3)  48(4)  50(5)  -  (6)  

(1) Series name
(2) Single output
(3) Output wattage
(4) Input voltage
  48: DC36 - 76V
(5) Output voltage
(6) Optional
  R: with Remote ON/OFF
    Positive logic control
  T: with Mounting hole φ3.4 thru

Optional Parts

Heat sink

Specification

Contents Specifications
Input Voltage DC36 - 76V
Output Wattage 300.8W
Voltage/Current 32V 9.4A
Adjustable  Voltage Range
External Resistor Calc
Fixed (TRM pin open), adjustable by external resistor
27.2 - 35.2V
Protection Circuit And Others Overcurrent Protection Works over 105% of rating, low voltage protection (shut down) function is built-in.
Overvoltage Protection 36.80 - 44.80V
Remote ON/OFF Provided (Negative logic L: ON, H: OFF)
Remote Sensing Provided
Others -
Operating Temperature/Humidity -40 to +100℃ (On aluminum base plate) , 20 - 95%RH (Non condensing) *
Safety And Noise Regulations Agency Approvals (At only AC input) UL60950-1, C-UL (CSA60950-1) , EN60950-1
Conducted Noise -
High Attenuation -
Others Dimensions (WxHxD) 57.9x12.7x36.8mm [2.28x0.5x1.45 inches]
Weight 75g max
Cooling Method Conduction cooling (e.g. heat radiation from the aluminum base plate to the attached heat sink)
Warranty Period 5-year
  • * For further information and how to use, please see in Cosel product catalog.

Documents Download

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