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A fast diode is a faster-than-standard current rectifier. The terms "fast" and "ultrafast" are in comparison to standard rectifiers designed for low-frequency applications such as rectifying sinusoidal current supplied from the AC mains. A “fast” rectifier typically recovers ten times faster than a standard rectifier, and an “ultrafast” designation is usually applied to rectifiers designed to beat the standard rectifier recovery by being more than fifty times faster.
Categorization as "ultrafast", "fast", or "soft" is in reference to the diode's reverse recovery characteristics. "Fast" and "ultrafast" rectifiers are so termed because they cease conducting current in the reverse direction much more quickly than standard rectifiers. "Soft" is a term applied to a subset of ultrafast rectifiers that recover to the non-conducting state quickly, but in a non-abrupt manner.[1]
A fastdiode is a faster-than-standard current rectifier. The terms "fast" and "ultrafast" are in comparison to standard rectifiers designed for low-frequency...
Schottky diode (named after the German physicist Walter H. Schottky), also known as Schottky barrier diode or hot-carrier diode, is a semiconductor diode formed...
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organic light-emitting diode (OLED), also known as organic electroluminescent (organic EL) diode, is a type of light-emitting diode (LED) in which the emissive...
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shorter than the low time (i.e., a duty cycle less than 50%) a fastdiode (i.e. 1N4148 signal diode) can be placed in parallel with R2, with the cathode on the...
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creating diodes that would be fast enough to rectify optical and near-optical radiation. A promising path towards creating these ultrafast diodes has been...
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device which can be thought of as being a highly robust and switchable diode, allowing the passage of current in one direction but not the other, often...
relay open faster than it would with a simple rectifier diode clamp, as R is higher while the voltage rises to the clamp level. A Zener diode connected...
non-ohmic current–voltage characteristic that is similar to that of a diode. Unlike a diode however, it has the same characteristic for both directions of traversing...
characteristics much like a spark gap or a GDT, but can operate much faster. They are related to TVS diodes, but can "break over" to a low clamping voltage analogous...
creates a diode between the drain (cathode) and the source (anode) of the MOSFET, making it able to block current in only one direction. Body diodes may be...
anode by the electric field in the tube. The simplest vacuum tube, the diode (i.e. Fleming valve), was invented in 1904 by John Ambrose Fleming. It contains...
limiting factor of using bipolar transistors and IGBTs in fast switching applications. The diode-based Baker clamps prevent the transistor from saturating...
corresponding antiparallel diodes) three level H6.5 - (consisting of six switches (four fast IGBTs/two slower IGBTs) and five fastdiodes) three-phase inverter...
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