NTE Reed Relays, R56-57 Series

Friday, November 21, 2008
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	Reed Relays, R56-57 Series

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

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)

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)

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

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

**Specifications subject to changes**

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