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Features
  • Standard Industry Packaging
  • 5V DC Versions Operate Directly from DTL or TTL Circuits
  • Internal Clamping Diode Version (D-suffix)
  • Flame Retardent Epoxy Case is Immersion Resistant
  • R56 & R57 Series

    General Purpose DIP (dual in-line
    package) DC Reed Relays
    DC OPERATED
    NTE
    Type No.
    Nom.
    Volt.
    VDC
    Contact
    Arr.
    Typ.
    Coil
    Res.
    Ohms
    Max.
    Pickup
    VDC
    Min.
    Drop
    Out
    VDC
    Max.
    Curr.
    Amps
    TimesDiag.
    No.
    Max.
    Separate
    Max.
    Release
    R56-1D.5-65SPST-NO5003.80.50.50330µs75µsD27C
    R56-1D.5-6D5SPST-NO5003.80.50.50330µs150µsD27D
    R56-1D.5-1212SPST-NO12009.01.00.50400µs75µsD27C
    R56-1D.5-2424SPST-NO2200182.00.50400µs75µsD27C
    R56-5D.5-66SPDT1804.50.50.50500µs150µsD27A
    R56S-5D.5-65SPDT2003.80.50.50500µs500µsD27J
    R56S-5D.5-6D5SPDT2003.80.50.50500µs500µsD27K
    R56-5D.5-1212SPDT5009.01.00.50500µs150µsD27A
    R56S-5D.5-1212SPDT5008.01.00.50500µs500µsD27J
    R56S-5D.5-12D12SPDT5008.01.00.50500µs500µsD27K
    R56-5D.5-2424SPDT2200182.00.50700µs150µsD27A
    R56S-5D.5-2424SPDT1750162.00.50500µs500µsD27J
    R56S-5D.5-24D24SPDT1750162.00.50500µs500µsD27K
    R56-7D.5-65DPST-NO2003.80.50.50700µs75µsD27E
    R56-7D.5-6D5DPST-NO2003.80.50.50500µs200µsD27F
    R56-7D.5-1212DPST-NO5009.01.00.50700µs75µsD27E
    R56-7D.5-12D12DPST-NO5008.01.00.50500µs200µsD27F
    R56-7D.5-2424DPST-NO2200182.00.50700µs75µsD27E
    R56-7D.5-24D24DPST-NO1750162.00.50500µs200µsD27F
    R57-1D.5-5/65/6SPST-NO5003.80.50.50400µs75µsD27C
    R57-1D.5-5/6D5/6SPST-NO5003.80.50.50400µs150µsD27D
    R57-1D.5-1212SPST-NO12009.01.00.50400µs75µsD27C
    R57-1D.5-12D12SPST-NO12009.01.00.50400µs150µsD27D
    R57-1D.5-2424SPST-NO2200182.00.50400µs75µsD27C
    R57-1D.5-24D24SPST-NO2200182.00.50400µs150µsD27D
    R57-2D.5-5/65/6SPST-NC5003.80.50.50400µs75µsD27G
    R57-2D.5-5/6D5/6SPST-NC5003.80.50.50450µs150µsD27H
    R57-2D.5-1212SPST-NC12009.01.00.50450µs75µsD27G
    R57-2D.5-12D12SPST-NC12009.01.00.50450µs150µsD27H
    R57-2D.5-2424SPST-NC2200182.00.50400µs75µsD27G
    R57-2D.5-24D24SPST-NC2200182.00.50400µs150µsD27H
    R57-5D.25-5/65/6SPDT2003.80.50.25500µs175µsD27A
    R57-5D.25-5/6D5/6SPDT2003.80.50.25500µs250µsD27B
    R57-5D.25-1212SPDT5009.01.00.25700µs150µsD27A
    R57-5D.25-12D12SPDT5009.01.00.25700µs250µsD27B
    R57-5D.25-2424SPDT2200182.00.25700µs150µsD27A
    R57-5D.25-24D24SPDT2200182.00.25700µs250µsD27B
    Photo of R56/R57 Series Relay

    D27

    Electrical Specifications

    Contact
    Rating: See Chart for Switching Current
    Resistance: 200 milliohms initial
    Switching Volts Max: 100 VDC
    Rating Max: 0.5A = 10 VA, 0.25 = 4 VA

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

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

    Capacitance
    Across Open Contacts: 1.0pF Typical
    Open Contacts to Coil:
                2.0pF (SPST-NO, DPST-NO)
                2.5pF (SPST-NC)
                3.0pF (SPDT) Typical

    Life
    At rated Load: 5 x 106 (with appropriate contact protection)

    Weight
    Std: 1 gram approx

    Outlines for R56 & R57 Series
    D27A
    1 Form C
    (Top View)
    D27B
    1 Form C w/Clamp Diode
    (Top View)
    D27C
    1 Form A
    (Top View)
    D27D
    1 Form A w/Clamp Diode
    (Top View)
    Pin ConnectionPin ConnectionPin ConnectionPin Connection
    D27E
    2 Form A
    (Top View)
    D27F
    2 Form A w/Clamp Diode
    (Top View)
    D27G
    1 Form B
    (Top View)
    D27H
    1 Form B w/Clamp Diode
    (Top View)
    Pin ConnectionPin ConnectionPin ConnectionPin Connection
    D27J
    1 Form C
    (Top View)
    D27K
    1 Form C w/Clamp Diode
    (Top View)
    Pin ConnectionPin Connection

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