Germanium Transistor. Germanium transistors TekWiki Germanium transistors Many Tektronix scopes from the 1960’s contain Germanium transistors eg OC170 OC171 2N2207 These transistors are prone to failure One particular failure mechanism is the growth of tin whiskers from the tincoated inside walls of the transistor case.
OverviewHistoryCharacteristicsProductionApplicationsPrecautions for chemically reactive germanium compoundsSee alsoExternal linksIn his report on The Periodic Law of the Chemical Elements in 1869 the Russian chemist Dmitri Mendeleev predicted the existence of several unknown chemical elements including one that would fill a gap in the carbon family located between silicon and tin Because of its position in his periodic table Mendeleev called it ekasilicon (Es) and he estimated its atomic weight to be 70 (later 72) Text under.
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Researchers develop adaptive transistor using germanium
21 rowsThe development of the germanium transistor in 1948 opened theNTE TYPE NUMBERNTE TYPE NUMBERAPPLICATIONMAXIMUM BREAKDOWN VOPwr Output Driver Sw32Audio Pwr Amp32High Current Amp60Audio Pwr Amp50.
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This is the fee to have germanium transistors tested for gain and leakage 1 Original Russian made MP20A PNP Germanium transistor Similar to AC121 or AC128 These are known to have VERY low leakage and were made for the Russian military Gains on what I’ve checked so far are between 50150 1 Original Russian made P29 PNP Germanium transistor Similar to OC42.
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The adaptive germanium transistor features an additional control electrode placed on the interfaces between germanium and metal that can dynamically program the function of the transistor “The fact that we use germanium is a decisive advantage.