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Features
  • 5 VDC versions compatible to operate directly from TTL
    or DTL circuits
  • Internal clamping diode
  • Flame retardent epoxy package
  • PC mountable
  • R42 Series

    General Purpose, 500mA, DC,
    SPST-NO, SIP Reed Relays
    Photo of R42 Series Relay

    DC OPERATED
    NTE Type No.Nom.
    Voltage
    Contact
    Arr.
    Coil
    Res.
    Ohms
    Typ
    Nom.
    Power
    Max.
    Cont.
    Max.
    Pick
    Up
    Min.
    Drop
    Out
    Diag.
    No.
    R42-1D.5-65/6VDCSPST-NO50050mW0.5A3.8VDC0.5VDCD20
    R42-1D.5-1212VDCSPST-NO85077mW0.5A9VDC1VDCD20
    R42-1D.5-2424VDCSPST-NO2200180mW0.5A18VDC2VDCD20

     
    Dimensional Drawing
    D20

    Electrical Specifications
    Contact
    Contact Rating: 0.5 Amp switching current max.
    1.5 Amp carry current max.
    Contact Resistance: 200 milliohms max. initial

    Coil
    Coil Voltages: See Chart
    Pick-up Voltages: See Chart
    Drop-out Voltage: See Chart

    Operational Characteristics
    Timing Value:
                 Operate Time: 330 µS at nominal voltage
                 Release Time: 150 µS at nominal voltage

    Insulation Characteristics
    Dielectric Strength:
                 Contact to Contact: 1000 VDC
                 Across Open Contacts: 200 VDC

    Environmental Characteristics
    Operating: -45°C to +85°C
    Storage: -60°C to +105°C

    Capacitance
    Across Open Contacts: 1pF
    Open Contacts to Coil: 2pF

    Life
    Mechanical: 5 x 106 (50,000,000) with appropriate contact protection

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