The most common rectifier diodes are identified by the model numbers 1n4001 through 1n4007. Ideally this figure would be zero.

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The maximum value of momentary or surge current it can conduct.

Diode rating list. The semiconductor material used in the pn junction diode is of paramount importance because the material used affects many of the major diode characteristics and properties. Its blocking voltage varies from 50 volts 1n4001 to 1000 volts 1n4007. Maximum forward voltage v f usually specified at the diodes rated forward current.
The current ratings arc given as inai average and lis each in units or amperes. Here is a list of the peak inverse voltages for each of these common diodes. These diodes can pass currents of up to 1 a and they have peak inverse voltage piv ratings that range from 50 to 1000 v.
With these ratings you can determine if the zener diode will work for a specific voltage regulator design. L rs is the maximum non repetitive forward current that the diode can sustain. Note that the forward current ratings for these diodes are generally larger than those of the small signal diodes.
The diode providing no opposition whatsoever to forward current. Ideally this figure would be infinite. The zener diode ratings that are needed to design a voltage regulator include the power dissipation rating the minimum knee current rating the maximum current rating and the zener voltage.
Commercially available zener diodes have power ratings from w to more than 50 w. In reality the forward voltage is described by the diode equation maximum average forward current i fav. The maximum power which zener diode can dissipate without any damage is known as its power rating.
Power ratings p zm of zener diode. Again this rating is limited by the diode junctions thermal capacity and is usually much higher than the average current rating due to thermal inertia the fact that it takes a finite amount of time for the diode to reach maximum temperature for a given current. A recitifier diode is the same as a power diode.
This jedec device number series is available in the do 41 axial package and similar diodes are available in sma and melf surface mount packages in. Diodes are rated from milliamps to as high as 100 amps per diode depending upon the diode style and amperage rating. The 1n400x or 1n4001 or 1n4000 series is a family of popular 1 a general purpose silicon rectifier diodes commonly used in ac adapters for common household appliances.
The list below provides details of the various diode characteristics and diode parameters found in the datasheets and specifications for diodes.

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