[Boatanchors] 3B28 Question

[Nick England]

3B28 is substitute for the smaller 866 mercury vapor rectifier
4B32 is substitute for the larger 872 mercury vapor rectifier
Nick England K4NYW
www.navy-radio.com


On Wed, Jul 6, 2022 at 11:11 AM K2GKK D C_Mac_ Macdonald <k2gkk at hotmail.com>
wrote:

> NoT absolutely sure but I think they are equivalent to 872 rectifiers but
> higher rated.
>
> K2GKK/5 in OKC,OK
>
>
> Sent from my iPhone
>
> On Jul 6, 2022, at 09:23, Doug Hensley <w5jv at hotmail.com> wrote:
>
> ​I've come across a pair of 3B28's that are the size of 810's
> and I had to read the label twice to make sure of what I
> was looking at.  Most 3B28's that I have are the size of
> large 5R4's.  These are huge
>
>
> Has anyone else seen any this size and have any information
> to share on them?
>
> TIA,
>
> Doug W5JV
>
>
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