I am planning on using the 1.9mm shaft OD motor here: https://www.aliexpress.com/item/32973481427.html?spm=a2g0o.cart.0.0.11b63c00aGVLNC
I have done plenty of research but can't figure out how to choose a flyback diode. Is there a formula? What variables should I calculate and how? I am looking for an SMD diode, not PTH.
Specs of motor:
1.9mm D type - No-load speed: 92RPM @ 3V, 195RPM @ 6V - No-load current: 60mA @ 3V, 70mA @ 6V
Any help appreciated!