Diode === Semiconductors/PN Junctions < Semiconductors This page may need to be reviewed for quality. Jump to navigationJump to search Semiconductors Contents 1 Simple Models 2 Analysis of Diode Physics 2.1 Depletion Width 2.2 Depletion capacitancebhj, 3 References Simple Models These simple models are small signal approximations to how a fairly generic diode works. Zener and tunnel diodes are ignored. At a first approximation, a diode is a device that will let current flow in one direction wi