If some data source only has data for the active region, this is probably good enough. Download free symbols, footprints, and 3D models for millions of electronic components. In other words, all of the non-linearities are important, and the behaviour in regions outside of as well as including the active region are also important. I am interested in writing some simulations involving BJTs which requires more information than can be obtained from the typical transistor equations. Some might become dependent on each other if a complete circuit is drawn including an impedance on the base and collector (or emitter) nodes.Īre there any example devices which have (presumably large) tables of data available for download for measurements of these parameters? I don't know if these are all independent - I believe they all are. Transistor temperature, which other variables such as the Collector-Emitter current, might have a second order effect from.Their applications include amplifiers, filters, impedance adapters, oscillators, triggers, and many others. Transistor HFE (beta) which is a function of temperature The 2N2222 and BC549 transistors are two old components that are still universally used in the vast majority of electrical circuits today.It is designed for high speed switching application at collector current. To explain further, for a simple BJT circuit we have the following variables. The 2N2222A is silicon planar epitaxial NPN transistors in Jedec TO-18 metal case. Is there anywhere I can download some current-voltage data for a bipolar junction transistor? (It doesn't matter that much which one.)
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