Wednesday, May 8, 2024     
     Serving the Electronic Industries for Over 33 Years
Russellstoll interconnect connectors plugs and receptacles logo
Frontline Switches products page
E-Lab Semiconductors logo
Littelfuse Fuses Logo
     Electronic Components Distributor Logo                        
 Home
  |  View Account   |    Engineer's Corner    |  Contact Us  |  Cross Reference  |  Line Card  |  0 Item
Part Search
NTE Cross Ref. Search
Login
SRI Live Chat Help
call us email us contact us

Product Links

Inside SRI

About SRI
Contact Us
Careers
Link to Us!
Feedback

SRI-Newsletter
Subscribe to our newsletter to receive monthly specials, manufacturer's feature, and electronics news via email.

See Our latest release of SRI-Newsletter here

View Our List of Archived Newsletter Articles


SRI Links

Visit our Sister Site,

Distributor of

Industrial Products

  Web Search ..
  Powered by;

 Reed Relays, R56-57 Series

s
R56-57 Series
General Purpose DIP (dual in-line package) DC Reed Relays

 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
  • Electrical Characteristics 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

    Back to Top

    Dimensional Drawings

    D21

    Contact Arrangment

    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 Connection Pin Connection Pin Connection Pin 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 Connection Pin Connection Pin Connection Pin Connection
    D27J
    1 Form C
    (Top View)
    D27K
    1 Form C w/Clamp Diode
    (Top View)
    Pin Connection Pin Connection

    Back to Top

    Part Numbers
    DC OPERATED
    NTE
    Type No.
    Nom.
    Volt.
    VDC
    Contact
    Arr.
    Typ.
    Coil
    Res.
    Ohms
    Max.
    Pickup
    VDC
    Min.
    Drop
    Out
    VDC
    Max.
    Curr.
    Amps
    Times Diag.
    No.
    Max.
    Separate
    Max.
    Release
    R56-1D.5-6 5 SPST-NO 500 3.8 0.5 0.50 330µs 75µs D27C
    R56-1D.5-6D 5 SPST-NO 500 3.8 0.5 0.50 330µs 150µs D27D
    R56-1D.5-12 12 SPST-NO 1200 9.0 1.0 0.50 400µs 75µs D27C
    R56-1D.5-24 24 SPST-NO 2200 18 2.0 0.50 400µs 75µs D27C
    R56-5D.5-6 6 SPDT 180 4.5 0.5 0.50 500µs 150µs D27A
    R56S-5D.5-6 5 SPDT 200 3.8 0.5 0.50 500µs 500µs D27J
    R56S-5D.5-6D 5 SPDT 200 3.8 0.5 0.50 500µs 500µs D27K
    R56-5D.5-12 12 SPDT 500 9.0 1.0 0.50 500µs 150µs D27A
    R56S-5D.5-12 12 SPDT 500 8.0 1.0 0.50 500µs 500µs D27J
    R56S-5D.5-12D 12 SPDT 500 8.0 1.0 0.50 500µs 500µs D27K
    R56-5D.5-24 24 SPDT 2200 18 2.0 0.50 700µs 150µs D27A
    R56S-5D.5-24 24 SPDT 1750 16 2.0 0.50 500µs 500µs D27J
    R56S-5D.5-24D 24 SPDT 1750 16 2.0 0.50 500µs 500µs D27K
    R56-7D.5-6 5 DPST-NO 200 3.8 0.5 0.50 700µs 75µs D27E
    R56-7D.5-6D 5 DPST-NO 200 3.8 0.5 0.50 500µs 200µs D27F
    R56-7D.5-12 12 DPST-NO 500 9.0 1.0 0.50 700µs 75µs D27E
    R56-7D.5-12D 12 DPST-NO 500 8.0 1.0 0.50 500µs 200µs D27F
    R56-7D.5-24 24 DPST-NO 2200 18 2.0 0.50 700µs 75µs D27E
    R56-7D.5-24D 24 DPST-NO 1750 16 2.0 0.50 500µs 200µs D27F
    R57-1D.5-5/6 5/6 SPST-NO 500 3.8 0.5 0.50 400µs 75µs D27C
    R57-1D.5-5/6D 5/6 SPST-NO 500 3.8 0.5 0.50 400µs 150µs D27D
    R57-1D.5-12 12 SPST-NO 1200 9.0 1.0 0.50 400µs 75µs D27C
    R57-1D.5-12D 12 SPST-NO 1200 9.0 1.0 0.50 400µs 150µs D27D
    R57-1D.5-24 24 SPST-NO 2200 18 2.0 0.50 400µs 75µs D27C
    R57-1D.5-24D 24 SPST-NO 2200 18 2.0 0.50 400µs 150µs D27D
    R57-2D.5-5/6 5/6 SPST-NC 500 3.8 0.5 0.50 400µs 75µs D27G
    R57-2D.5-5/6D 5/6 SPST-NC 500 3.8 0.5 0.50 450µs 150µs D27H
    R57-2D.5-12 12 SPST-NC 1200 9.0 1.0 0.50 450µs 75µs D27G
    R57-2D.5-12D 12 SPST-NC 1200 9.0 1.0 0.50 450µs 150µs D27H
    R57-2D.5-24 24 SPST-NC 2200 18 2.0 0.50 400µs 75µs D27G
    R57-2D.5-24D 24 SPST-NC 2200 18 2.0 0.50 400µs 150µs D27H
    R57-5D.25-5/6 5/6 SPDT 200 3.8 0.5 0.25 500µs 175µs D27A
    R57-5D.25-5/6D 5/6 SPDT 200 3.8 0.5 0.25 500µs 250µs D27B
    R57-5D.25-12 12 SPDT 500 9.0 1.0 0.25 700µs 150µs D27A
    R57-5D.25-12D 12 SPDT 500 9.0 1.0 0.25 700µs 250µs D27B
    R57-5D.25-24 24 SPDT 2200 18 2.0 0.25 700µs 150µs D27A
    R57-5D.25-24D 24 SPDT 2200 18 2.0 0.25 700µs 250µs D27B

    Back to Top


    **Specifications subject to changes**
    [Go to Search] [Back]


    Page Links

    Electrical Characteristics

    Dimensional Drawings

    Part Numbering



    Back