Diode ○꠹｜appendage｜___｜20260628155835-04-•

Various semiconductor diodes. Left: A four-diode bridge rectifier. Next to it is a 1N4148 signal diode. On the far right is a Zener diode. In most diodes, a white or black painted band identifies the cathode into which electrons will flow when the diode is conducting. Electron flow is the reverse of conventional current flow.¹²³

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Footnotes

1. Tooley, Mike (2013). Electronic Circuits: Fundamentals and Applications, 3rd Ed. Routledge. p. 81. ISBN 978-1-136-40731-4. ↩

2. Crecraft, Filip Mincic; Stephen Gergely (2002). Analog Electronics: Circuits, Systems and Signal Processing. Butterworth-Heinemann. p. 110. ISBN 0-7506-5095-8. ↩

3. Horowitz, Paul; Winfield Hill (1989). The Art of Electronics, 2nd Ed. London: Cambridge University Press. p. 44. ISBN 0-521-37095-7. ↩