Transformer part ID please

Chuck Guzis cclist at
Sat Jan 21 15:08:53 CST 2017

On 01/21/2017 12:43 PM, Adrian Graham 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:
> It's taking and giving +5V but I'm sure it should also be producing
> another voltage...

The marking identifies it as a Mullard ferrite core (LA4543) but says
nothing about how it's wound.


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