Michael A. Terrell
1N3758 is not a tunnel diode. It is a rectifier that the NTE NTE5804will
replace The NTE part is:
Axial Lead Standard Recovery Silicon Rectifiers, 3 Amp, 400V, DO27
The 1N3758appears to be a 400V, 1A part.
On Tue, Mar 5, 2019 at 12:24 PM Roger Evans via Groups.Io <very_fuzzy_logic=
Later serial number 454s had tunnel diodes which were the small gold can