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A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.
1.1 Router SoC. 2 Network switches. 3 Wireless. Toggle Wireless subsection. 3.1 Wireless controller. 4 Network interface card. Toggle Network interface card subsection.
In electronic design, wire routing, commonly called simply routing, is a step in the design of printed circuit boards (PCBs) and integrated circuits (ICs). It builds on a preceding step, called placement, which determines the location of each active element of an IC or component on a PCB.
An electrical component mounted in this manner is referred to as a surface-mount device (SMD). In industry, this approach has largely replaced through-hole technology construction method of fitting components, in large part because SMT allows for increased manufacturing automation which reduces cost and improves quality. [ 3 ]
Several variants of the original TO-5 package have the same cap dimensions but differ in the number and length of the leads (wires). Somewhat incorrectly, TO-5 and TO-39 are often used in manufacturer's literature as synonyms for any package with the cap dimensions of TO-5, regardless of the number of leads, or even for any package with the diameter of TO-5, regardless of the cap height and ...
Size comparison of BJT transistor packages, from left to right: SOT-23, TO-92, TO-126, TO-3. The case is molded around the transistor elements in two parts; the face is flat, usually bearing a machine-printed part number (some early examples had the part number printed on the top surface instead). The back is semi-circularly-shaped.
Diodes' products include diodes, rectifiers, transistors, MOSFETs, [1] protection devices, functional specific arrays, single gate logic, amplifiers and comparators, Hall effect and temperature sensors; power management devices, [2] including LED drivers, AC-DC converters and controllers, DC-DC switching [3] and linear voltage regulators, and ...
Small-signal models exist for electron tubes, diodes, field-effect transistors (FET) and bipolar transistors, notably the hybrid-pi model and various two-port networks. Manufacturers often list the small-signal characteristics of such components at "typical" bias values on their data sheets.