David J. Windisch wrote:
(subj: Need Source for Diode in TS-1285/URM-120 Wattmeter 2-30 MHz Plug-in
Sensor)

Hi, all concerned:

The diode looks like a 1N23-type, with cathode (arrow) toward tip.

Has marking ALPHA D4190A.

TIA & 73,

Dave, N3HE



The Sierra manual claims it's a silicon diode
Bomac BL-161.
mike


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