MiniBar 15-16 Crowbar Circuit - Full Kit

Protect your radio from power supply failures with this crowbar circuit! It can be set to trip at 15 or 16 volts.  The circuit is designed to operate with typical power supplies operating at 13.8 volts. In his April 2025 column, Joe Eisenberg, K0NEB said:  "...and if it weren't for the WA2IVD Minibar kit, I would have damaged my IC-7300."  Check out Joe's Kit-Building column in The Spectrum Monitor magazine at: https://thespectrummonitor.com/ If the power supply voltage exceeds the preset level, the crowbar instantly creates a short circuit across the input to blow the fuse and prevent radios and other equipment on the output from seeing the excess voltage.  You supply the standard automotive blade fuse.  The MiniBar supports fuse ratings up to 30 Amps. The full kit includes a circuit board with the surface mount components pre-populated, 2 Anderson PowerPole connectors, an automotive blade type fuse holder, a 3 pin header and jumper connector to select the trip voltage.  The kit als