Main Electronic Supplies Ltd 4554 Main Street Vancouver BC Canada V5V 3R5 (604-872-0267)
R42 Series NTE Relays
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.5-6 5/6VDC SPST-NO 500 50mW 0.5A 3.8VDC 0.5VDC D20
    R42-1D.5-12 12VDC SPST-NO 850 77mW 0.5A 9VDC 1VDC D20
    R42-1D.5-24 24VDC SPST-NO 2200 180mW 0.5A 18VDC 2VDC D20

    		  
    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
    Prices are subject to change without notice.