Beware of ebay 5109's. Most, if not all, from Chinese vendors are counterfeit. They usually don't work well, if at all, in place of a real 5109. Larry - W7IUV On 3/1/2020 4:30 PM, donovanf at starpower.net wrote: > There's no shortage of 2N5109s on eBay for about one dollar each > >