cold-cathode magnetron
21Unijunction transistor — Unijunction transistors Circuit symbol A unijun …
22DIAC — redirects here. For other uses, see DIAC (disambiguation). Typical DIAC voltage and current relationships. VBO breakover voltage …
23RMA tube designation — In the years 1942 1944, the Radio Manufacturers Association used a descriptive nomenclature system for industrial, transmitting, and special purpose vacuum tubes. The numbering scheme was distinct from both the numbering schemes used for standard …
24Variable capacitor — Rotary variable capacitor A variable capacitor (also known as a variable air condenser ) is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are often used in L/C… …
25Compactron — 12AE10 Compactron tube (a dual pentode), made by GE Compactrons are electronic vacuum tube units which contain arrangements of diodes, triodes, or pentodes in multiple combination arrays, as well as high or low voltage and power types. Contents …
26Field-effect transistor — FET redirects here. For other uses, see FET (disambiguation). High power N channel field effect transistor The field effect transistor (FET) is a transistor that relies on an electric field to control the shape and hence the conductivity of a… …
27Maser — For other uses, see Maser (disambiguation). A hydrogen radio frequency discharge, the first element inside a hydrogen maser (see description below) A maser is a device that produces coherent electromagnetic waves through amplification by… …
28Nuvistor — RCA 6DS4 Nuvistor triode vacuum tube, ca. 20 mm high and 11 mm in diameter. The nuvistor is a type of vacuum tube announced by RCA in 1959. Most nuvistors are basically thimble shaped, but somewhat smaller than a thimble. Triodes and tetrodes… …
29Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
30MOSFET — Two power MOSFETs in the surface mount package D2PAK. Operating as switches, each of these components can sustain a blocking voltage of 120 volts in the OFF state, and can conduct a continuous current of 30 amperes in the ON state, dissipating up …
