John,
The SRF line is by RF Parts. They contracted with Motorola at the time to
produce these custom numbers for them. In reality, they are the same as the
Motorola line. You can contact RF Parts for replacements. I doubt you'll find
any spec sheets on them.
Best,
Will
*********** REPLY SEPARATOR ***********
On 7/24/06 at 2:59 PM John D'Ausilio wrote:
>I've got a flaky 903 amp, with a series of devices starting with
>SRF7058, then SRF7059, then SRF7053. Only ref I've been able to find
>is that the 7053 is a 100w FET device, but I'm not sure I believe that
>:)
>
>No manufacturers marks evident .. anyone know for sure what they are
>and/or have datasheets?
>
>de w1rt/john
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