Datasheet

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ISO 9001 CERTIFIED
S3 Series
S Size Form C (Changeover) Reed Relay
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
S3 2019
Telephone [phone]
Email:[e-mail]
The S3 series is a compact reed relay with
changeover contacts which are often used
for safety critical applications.
Low contact resistance, through the use of
Rhodium contact reed switches, makes the
S series suitable for many high voltage
applications at DC and low frequency,
where performance and reliability are
paramount.
These are PCB mount relays, though
custom options may be available on
request.
PCB Mount
Available with or without magnetic screen
Changeover contacts
Compact footprint
Please refer to this document for circuit design notes:- http://www.cynergy3.com/blog/application-notes-reed-relays-0
Made in the UK
Circuit Diagram
Contact Unit ConditionSpecification
Switch Action SPCO
Contact Material Rhodium
Isolation across contacts kV DC or AC peak 0.20
Isolation contact to coil kV Dc or AC peak 2
Switching Power Max. VA resistive 3
Switching Voltage Max. V DC 120
Switching Current Max. A DC 0.25
Carry Current Max A DC 1.2
Capacitance across pF coil to screen 1.4
contacts grounded
Contact Resistance m max (typical) 150W
Insulation Resistance min (typical) (10 )W
8
Coil Specification 5V 12V 24V
Must Operate Voltage V DC 3.75 9 18
Must Release Voltage V DC 0.5 1.2 2.4
Resistance ( 10%) 30 180 1000W ±
Note. The operate / release voltage and coil resistance will change at a rate of 0.4% per degree C. Values are stated at room temperature (20 degrees C)
Environmental Conditions
Operating Temperature Range °C -40 to +85
Storage Temperature Range °C -40 to +100
Standard Parts Coil Voltage Vdc Magnetic Screen
S3-05-C 5 No
S3-05-CM 5 Yes
S3-12-C 12 No
S3-12-CM 12 Yes
S3-24-C 24 No
S3-24-CM 24 Yes
Mechanical Dimensions
Shows optional magnetic screen
View from underside