I can help with the first question: Nope, it's not pre-mounted.
It's not that hard though..
Just add a thin layer of solder on one of the pads.
Pick up the choke (with tweezers), hold it over the pad and re-heat while moving the component in place.
You might need to re-heat and press down to make sure it sits firmly on the PCB.
That's it. The other pad is easy since the choke can't move.
It's not that hard though..
Just add a thin layer of solder on one of the pads.
Pick up the choke (with tweezers), hold it over the pad and re-heat while moving the component in place.
You might need to re-heat and press down to make sure it sits firmly on the PCB.
That's it. The other pad is easy since the choke can't move.
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