Transformer part ID please

[Tony Duell]

On Sat, Jan 21, 2017 at 8:43 PM, Adrian Graham
<witchy at binarydinosaurs.co.uk> wrote:
> Hi folks,
>
> Does anyone know what this is? It's obviously a transformer coil(s) but
> image search and googling those markings produces nothing:
>
> http://www.binarydinosaurs.co.uk/la4543.jpg

I think the LA number is the number for the ferrite 'pot core' not the
complete transformer.

It looks to be part of a switching regulator circuit. Possibly to generate
other voltages from the 5V line. Can you post a picture of more of the PCB
around it.

-tony