| Electronics > Projects, Designs, and Technical Stuff |
| Drving a SPDT 2 coil latching relay |
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| Arjunan M R:
Does i need to care about back EMF in this relay? |
| Zero999:
--- Quote from: Arjunan M R on June 17, 2019, 12:31:16 pm ---Does i need to care about back EMF in this relay? --- End quote --- Yes, back-EMF protection diodes will be required, as the datasheet doesn't say they're built-in. |
| Arjunan M R:
--- Quote from: Zero999 on June 17, 2019, 12:50:15 pm --- --- Quote from: Arjunan M R on June 17, 2019, 12:31:16 pm ---Does i need to care about back EMF in this relay? --- End quote --- Yes, back-EMF protection diodes will be required, as the datasheet doesn't say they're built-in. --- End quote --- Do i need to use a schotky diode? If so will this be enough? Here is the datasheet. |
| Arjunan M R:
--- Quote from: Arjunan M R on June 17, 2019, 12:54:22 pm --- --- Quote from: Zero999 on June 17, 2019, 12:50:15 pm --- --- Quote from: Arjunan M R on June 17, 2019, 12:31:16 pm ---Does i need to care about back EMF in this relay? --- End quote --- Yes, back-EMF protection diodes will be required, as the datasheet doesn't say they're built-in. --- End quote --- Do i need to use a schotky diode? If so will this be enough? Here is the datasheet. --- End quote --- I am already using that schotky diode if it's enough I don't have to increase the BOM cost. |
| Arjunan M R:
Does this mean that I can only energize the coil for max. of 10 ms :o. |
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