DHS250B48

Released 2009
RoHS ECO MODEL
UL・C-UL TUV CE
Warranty Period 5-year

When remote ON/OFF is not used, short RC and -VIN.
When the output voltage adjustment is not used,
open the TRM pin respectively.
When remote sensing is not used, make sure +VOUT
and +S are shorted, and that -VOUT and -S are shorted as
well.

Features of DHS250B48

• 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

DH(1)  S(2)  250(3)  B(4)  05(5)  -  (6)  

(1) Series name
(2) Single output
(3) Output wattage
(4) B: DC200 - 400V
(5) Output voltage
(6) Optional
   T: with Mounting hole
  (φ3.4 thru)

Optional Parts

Heat sink

Specification

Contents Specifications
Input Voltage DC200 - 400V
Output Wattage 249.6W
Voltage/Current 48V 5.2A
Adjustable  Voltage Range
External Resistor Calc
Fixed (TRM pin open), adjustable by external VR or external voltage
28.80 - 52.80V
Protection Circuit And Others Overcurrent Protection Works over 105% of rating and recovers automatically
Overvoltage Protection 55.20 - 64.80V
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, EN60950-1
Conducted Noise -
High Attenuation -
Others Dimensions (WxHxD) 58.4x12.7x61.0mm [2.3x0.5x2.4 inches]
Weight 100g 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
3D CAD Data STEP
IGES
  • * For another documents aren't listed, please feel free to contact to a Cosel representative.