Empower your electronic designs with the OEG 9V 4-Pin Relay (Model: SDT-SS-109DM). This robust miniature power relay is engineered for high-capacity switching in a compact "sugar cube" form factor, making it an essential component for both industrial automation and consumer appliance repair. With a formidable 10A switching capacity, it provides the reliability needed for demanding electrical loads.
Precision 9V DC Coil: Designed for stable actuation in DC 9V control circuits, offering a reliable middle ground for specialized power supplies.
10A High-Load Switching: Rated to handle up to 10A at 250V~ AC, suitable for managing heaters, motors, and high-wattage lighting.
4-Pin SPST-NO Configuration: Features a Single Pole Single Throw (Normally Open) layout with precision pins for secure PCB through-hole mounting.
Flux-Sealed Protection: The "SS" designation confirms a flux-sealed construction, protecting internal contacts from solder flux and environmental contaminants.
Certified Safety Standards: Fully marked with UL, CSA, VDE, and TUV certifications, ensuring it meets the highest global quality and safety benchmarks.
The OEG SDT-SS-109DM Relay is ideal for:
Home Appliances: Essential for repair and design of microwave ovens, washing machines, and air conditioners.
Industrial Controls: Used as a high-power interface for PLC systems and sensor-driven automation.
Power Management: Reliable switching for battery chargers, UPS systems, and power distribution boards.
Custom Electronic Projects: A favorite for hobbyists building custom controllers on prototype boards.
Coil Voltage: DC 9V.
Pin Layout: 4-Pin PCB Mount.
Dimensions: Compact miniature design for high-density layouts.
Can I trigger this relay with a 5V Arduino?
No. A 5V signal is insufficient to energize a 9V coil. You will need a transistor-based driver circuit to switch a 9V supply to the relay coil.
What does "Normally Open" (NO) mean for this relay?
It means the high-power circuit stays disconnected by default. The circuit only closes and powers your device when 9V is applied to the relay's coil.
Is this relay suitable for switching DC loads?
Yes. In addition to 250VAC, this relay is rated for 10A at 24VDC, making it excellent for automotive and solar battery applications.
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