light activated programmable unijunction transistor
1Electronic component — Various components An electronic component is a basic electronic element and may be available in a discrete form having two or more electrical terminals (or leads). These are intended to be connected together, usually by soldering to a printed… …
2Thermostat — This article is about the temperature regulating device. For the French cooking oven temperature scale, see Gas Mark#Other cooking temperature scales. Honeywell s iconic The Round model T87 thermostat, one of which is in the Smithsonian …
3Fuse (electrical) — A miniature time delay fuse used to protect electronic equipment, rated 0.3 amperes at 250 volts. 1.25 inches (about 32 mm) long …