>Need help with Diode/Rectifier blocks made by SILEC.
>
>There is two type of markings: SILEC F 80 H and in small letter 7509 also
>SILEC F80 H and in small letters 7511.
>
>What will be the voltage and amperage rating on these.
** Voltage ratings are not enough. A high-pot test to determine the
actual avalanche potential is the bottom line. Amperage rating can be
estimated fairly well from package size.
>They come out of a
>marine amp that has four 4cx250 tubes and power transformer 3000 volts.
>
>Any help will be greatly appreciated.
>
>73
>
>Wynand
>ZS6ARF
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