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2. Diode - Wikipedia

   en.wikipedia.org/wiki/Diode

   A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance). It has low (ideally zero) ...

3. Electronic color code - Wikipedia

   en.wikipedia.org/wiki/Electronic_color_code

   A 2.26 kΩ, 1%-precision resistor with 5 color bands (), from top, 2-2-6-1-1; the last two brown bands indicate the multiplier (×10) and the tolerance (1%).. An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others.

4. p–n diode - Wikipedia

   en.wikipedia.org/wiki/P–n_diode

   A p–n diode is a type of semiconductor diode based upon the p–n junction. The diode conducts current in only one direction, and it is made by joining a p-type semiconducting layer to an n-type semiconducting layer. Semiconductor diodes have multiple uses including rectification of alternating current to direct current, in the detection of ...

5. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   Infrared diode: often changed to "D" for diode J: Jack (least-movable connector of a connector pair), jack connector (connector may have "male" pin contacts and/or "female" socket contacts) all types of connectors, including pin headers. JP: Jumper (link) K: Relay or contactor: L: Inductor or coil or ferrite bead: LD, LED: LED: often changed to ...

6. Electronic component - Wikipedia

   en.wikipedia.org/wiki/Electronic_component

   Transient voltage suppression diode (TVS), unipolar or bipolar – used to absorb high-voltage spikes; Varicap, tuning diode, varactor, variable capacitance diode – a diode whose AC capacitance varies according to the DC voltage applied. Various examples of Light-emitting diodes. Laser diode; Light-emitting diode (LED) – a diode that emits ...

7. 1N4148 signal diode - Wikipedia

   en.wikipedia.org/wiki/1N4148_signal_diode

   Three 1N4148 diodes in glass DO-35 axial package. The black band on the right is the cathode side. Diode schematic symbol vs cathode marking on the package. The 1N4148 is a standard silicon switching signal diode. It is one of the most popular and long-lived switching diodes because of its dependable specifications and low cost.