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Features
  • Small Size
  • Epoxy Sealed
  • Standard Pin Spacing
  • R73 SeriesUL CSA logo

    Subminiature, PC Mount, 10 Amp,
    SPST-NO & SPDT Relay, for Security
    and Telecommunication Equipment
    Photo of R73 Series Relay

    SPST-NO, 1 Form "A"SPDT, 1 Form "C"
    Mounting Holes (Bottom View)
    DC OPERATED
    NTE Type No.Nom.
    Volt.
    Contact
    Arr.
    Coil
    Res.
    ±10%
    Ohms
    (Typ)
    Approx.
    Nom.
    Power
    Max.
    Contact
    Cur, @
    28VDC
    or
    120VAC
    Diag.
    No.
    R73-1D10-33VDCSPST-NO20450mW10AD49
    R73-1D10-5/66VDCSPST-NO80450mW10AD49
    R73-1D10-1212VDCSPST-NO320450mW10AD49
    R73-1D10-2424VDCSPST-NO1280450mW10AD49
    R73-5D10-33VDCSPDT20450mW10AD49
    R73-5D10-5/66VDCSPDT80450mW10AD49
    R73-5D10-1212VDCSPDT320450mW10AD49
    R73-5D10-2424VDCSPDT1280450mW10AD49

    Dimensional Drawings
    D49

    Electrical Specifications

    Contact
    Rating: 10 Amp at 120VAC/28VDC
    Material: Silver Cadmium Oxide
    Resistance: 0.05 Ohm (At Nominal Conditions)

    Coil
    Coil Voltages: See Chart
    Pick-up Voltages: 70% max of rated voltage
    Drop-out Voltages: 10% min of rated voltage
    Resistance: See chart

    Operational Characteristics
    Timing Values:
                 Operate Time: 5mS max
                 Release Time: 10mS max

    Insulation Characteristics
    Dielectric Strength:
                 Between Contact & Coil: 1500 VAC
                 Between Contacts: 750 VAC
    Insulation Resistance: 100 megohms

    Environmental Characteristics
    Operating: -55°C to +85°C

    Life
    Mechanical: 100,000 operations
    Electrical: 10,000,000 operations

    Weight
    Std: 0.39 ozs. (11 grams) - approx

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