Discontinued (March, 2017)

Released 1985

Recommended Model for Replacement

Type Product Name Released Catalog
Instruction Manuals
Documents for replacement
Open Frame type LDC60F-1 1995
  • Catalog
  • Instruction Manuals
  • Documents for replacement
    • * For further information and how to use, please see in Cosel product catalog.
    • * Please use them together with the mentioned product to get required outputs.

    Features of MMC50A-4

    • Built-in inrush current and overcurrent and overvoltage (MMC50A, 75B, 100B) protection circuits
    • V1 isolated from V2 and V3
    • All three output fully regulated

    Ordering Information and Options

    MMC(1)  50A(2)  -  1(3)  -  (4)  

    (1) Series name
    (2) Output wattage
    (3) Output voltage combination
    (4) Optional
     C: with Coating
     G: Low leakage current
     J: Connector type
     N: with Cover


    Contents Specifications
    Input Voltage AC85 - 132V 1Φ or DC110 - 170V
    Output Wattage 50.6W (Peak: 56.6W)
    Voltage/Current V1: +5V 7.0A
    V2: +12V 1.0A (Peak: 1.5A)
    V3: -12V 0.3A
    Adjustable  Voltage Range 5.00 - 5.25V
    Protection Circuit And Others Overcurrent Protection Works over 105% of rating (V2 works at peak current) and recovers automatically
    Overvoltage Protection Works at 115 - 140% of rating (+5V)
    Remote ON/OFF -
    Remote Sensing -
    Others -
    Operating Temperature/Humidity 0 to +65℃, 20 - 90%RH (Non condensing) (Refer to DERATING CURVE)
    Safety And Noise Regulations Agency Approvals (At only AC input) UL60950-1, C-UL Complies with DEN-AN
    Conducted Noise Complies with FCC-A
    High Attenuation -
    Others Dimensions (WxHxD) 36x93x155mm (without terminal block and screw)
    Weight 400g max
    Cooling Method Convection
    Warranty Period 2-year
    • * For further information and how to use, please see in Cosel product catalog.

    Documents Download

    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.