Main Electronic Supplies Ltd 4554 Main Street Vancouver BC Canada V5V 3R5 (604-872-0267)
R74 Series Relays
Features
  • Compact, with Low 5mm (.197") Profile
  • Low Power Consumption (140mW)
  • Standard Pin Spacing (0.1")
  • PC Board Mount
  • Surface Mount ("SM" Suffix)
    		•  R74 Series UL CSA logo
    Subminiature, PC Mount, 1 Amp, DPDT Low
    Signal Relay
    Photo of R74 Series Relay

    DPDT, 2 Form "C"
    (Bottom View)

    DC OPERATED
    NTE Type No. Nom.
    Volt.    		 Contact
    Arr.    		 Coil Res.
    ±10%
    Ohms
    (Typ)    		 Approx.
    Nom.
    Power    		 Max.
    Contact
    Cur, @
    30VDC    		 Diag.
    No.
    R74-11D1-3 3VDC DPDT 64.3 140mW 1A D52
    R74-11D1-3SM 3VDC DPDT 64.3 140mW 1A D53
    R74-11D1-5 5VDC DPDT 178 140mW 1A D52
    R74-11D1-5SM 5VDC DPDT 178 140mW 1A D53
    R74-11D1-6 6VDC DPDT 257 140mW 1A D52
    R74-11D1-6SM 6VDC DPDT 257 140mW 1A D53
    R74-11D1-12 12VDC DPDT 1028 140mW 1A D52
    R74-11D1-12SM 12VDC DPDT 1028 140mW 1A D53
    R74-11D1-24 24VDC DPDT 2880 140mW 1A D52
    R74-11D1-24SM 24VDC DPDT 2880 140mW 1A D53

    ACCESSORIES
    Mounting Styles Description NTE Type No.
    PC Mount 10-Pin DIP NTE409 (16-Pin DIP)

    		   
    Dimensional Drawings
    D52D53

    Electrical Specifications

    Contact
    Rating: 1 Amp
    Material: Ag (Au clad)
    Resistance: 50 milliohms (Standard), 60 milliohms (Surface Mount)

    Coil
    Coil Voltages: See Chart
    Pick-up Voltages: 75% max of rated voltage
    Drop-out Voltages: 10% min of rated voltage
    Resistance: See chart

    Operational Characteristics
    Timing Values:
                 Operate Time: 3mS max
                 Release Time: 2mS max

    Insulation Characteristics
    Dielectric Strength:
                 Between Contact & Coil: 1000 VAC
                 Between Contacts (Same Polarity): 1000 VAC
                 Between Contacts (Different Polarity): 750 VAC
                 Insulation Resistance: 1000 megohms

    Environmental Characteristics
    Operating: -40°C to +70°C (Standard)
                          -40°C to +85°C (Surface Mount)

    Life
    Mechanical: 36,000 operations/hour
    Electrical: 1,800 operations/hour (under rated load)

    Weight
    Std: 0.05 ozs. (1.5 grams) - approx
    Prices are subject to change without notice.