germanium rectifier
41Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
42Photodiode — Three Si and one Ge (bottom) photodiodes Symbol for photodiode …
43Microelectromechanical system oscillator — Microelectromechanical system (MEMS) oscillators are timing devices that generate highly stable reference frequencies. These reference frequencies are used to sequence electronic systems, manage data transfer, define radio frequencies, and… …
44Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …
45Walter Houser Brattain — Infobox Scientist name = Walter Brattain imagesize = 160px caption = Walter Houser Brattain (1902 1987) birth date = February 10, 1902 birth place = Amoy, China death date = October 13, 1987 death place = Seattle, Washington, USA nationality =… …
46MOSFET — 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 …
47Schottky diode — The Schottky diode (named after German physicist Walter H. Schottky; also known as hot carrier diode) is a semiconductor diode with a low forward voltage drop and a very fast switching action.In the early days of wireless, cat s whisker detectors …
48Pro Electron — is the European type designation and registration system for active components (such as semiconductors, liquid crystal displays, sensor devices, electronic tubes and cathode ray tubes).Pro Electron was set up in 1966 in Brussels, Belgium. In 1983 …
49MENDELEÏEV (D. I.) — Vers le milieu du XIXe siècle, la chimie est à la fois en pleine évolution et en plein chaos. Une soixantaine d’éléments chimiques (corps indécomposables par les moyens connus) ont été découverts et isolés; des liens semblent exister entre les… …
50Изобретение транзистора — Основная статья: Транзистор Макет точечного транзистора Бардина и Браттейна. Треугольник в центре  прозрачная призма, по рёбрам которой приклеены полоски фольги  выводы коллектора и эми …
