SPDT Sealed Relay 12V DC 5-Pin (SMI Series)
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Prices updated: 13 Oct 2026
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About this product
A fully sealed 12 V DC single-pole double-throw (SPDT) relay with five pins. It lets a low-voltage control circuit switch higher-voltage or higher-current loads, and is commonly driven from a microcontroller output through a transistor.
Specifications
- Coil voltage
- 12 V DC
- Minimum switching voltage
- 11 V
- Contact type
- SPDT
- Number of pins
- 5
- Sealing
- Fully sealed
- Contact rating
- 10 A at 250 VAC / 30 VDC (description); up to 7 A (features)
Frequently asked questions
How should I drive this relay from a microcontroller?
The coil draws more current than a microcontroller pin can supply, so switch it with a transistor or MOSFET from a 12 V supply. Add a flyback diode across the coil to protect the driver from voltage spikes.
Which contact rating should I use for my load?
The listing gives two contact ratings: 10 A at 250 VAC / 30 VDC in the description and up to 7 A in the features. Use the lower value for safe design, and check the pin diagram and datasheet before wiring.
