Discontinued (November, 2023)

Released 1999
Warranty Period 5-year

* When remote ON/OFF is not used, short RC1 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.

Recommended Model for Replacement

Type Product Name Released Catalog
Instruction Manuals
Documents for replacement
Bus Converter・Power Module type DHS250B05 2009
  • Catalog
  • Instruction Manuals
    • * For further information and how to use, please see in Cosel product catalog.

    Features of DBS200B05

    • Ideal for distributed power systems
    • Thin and small size
    • Built-in overcurrent, overvoltage and thermal protection circuits
    • Built-in remote ON/OFF (On both side of input and output)
    • Inverter operating monitoring (IOG)
    • Mounting hole (M3 tapped)
    • N+1 redundant operation

    Ordering Information and Options

    DB(1)  S(2)  200(3)  B(4)  03(5)  

    (1) Series name
    (2) Single output
    (3) Output wattage
    (4) Input voltage
        B: DC200 - 400V
    (5) Output voltage


    Contents Specifications
    Input Voltage DC200 - 400V
    Output Wattage 200W
    Voltage/Current 5V 40A
    Adjustable  Voltage Range Fixed (TRM pin open), 60 - 110% adjustable by external VR or external voltage
    Protection Circuit And Others Overcurrent Protection Works over 105% of rating and recovers automatically
    Overvoltage Protection 5.75 - 7.00V
    Remote ON/OFF Provided (On both side of input and output)
    Remote Sensing Provided
    Others -
    Operating Temperature/Humidity -20 to +85℃ (On aluminum base plate) , 20 - 95%RH (Non condensing) *
    Safety And Noise Regulations Agency Approvals (At only AC input) UL60950-1, C-UL, EN62368-1
    Complies with DEN-AN and IEC60950-1
    Conducted Noise -
    High Attenuation -
    Others Dimensions (WxHxD) 61x12.7x116.8mm [2.4x0.5x4.6 inches]
    Weight 150g 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
    • * 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.