1N400X DATASHEET PDF

The 1Nx series is a family of popular 1 A general-purpose silicon rectifier diodes commonly Though some writers and datasheets refer to “1N series “, a 1N is a watt Zener diode unrelated to the 1N series of 1 ampere . 1K/Bulk. 1NT. DO Plastic. 5K/Tape & Reel, inch. Note: 4. For packaging details, visit our website at appdf. See detailed ordering and shipping information on page 4 of this data sheet. ORDERING INFORMATION. A. = Assembly Location. 1Nx = Device Number.

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1NX Datasheet pdf – A RECTIFIER – Vishay

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I compared 1Nx diodes here.

As far as I see, all of their properties are same other than their maximum reverse voltages. It looks like 1N is the super version of all other 1Nx diodes.

So, why would one produce 1N If 1N does the job alone, then why are the other versions still in the market? The answers by Vasiliy and johnfound are incorrect.

Diodes with higher reverse voltage ratings are intentionally manufactured with lighter doping so that the depletion region for a given reverse voltage is wider than it otherwise would be. The disadvantage with lighter doping is that the forward resistance and voltage drop for a high-voltage diode is higher than it would be for a lower-voltage diode. So, you can use a 1N for all of your applications, but your circuit efficiency will be slightly higher if you use a more 1n400z diode in low-voltage applications.

1N400x general-purpose diodes

Due to process variations, manufactured semiconductor devices may have different characteristics. Many manufacturers employ ” binning ” strategy for manufactured parts: Once they do this they can sell the better performing devices for more money.

I’m completely sure that binning strategy is employed for 1Nx, but I can’t say how many pools were initially produced. My guess is 2 pools, from which 7 bins were derived. This guess is based on the fact that the data for Typical Junction Capacitance in the datasheet has two regions.

Even if I’m right about this manufacturer, the number of pools can be manufacturer specific. The difference between these diodes is mainly their reverse breakdown voltage. There are many more parameters which differ; part of the differences are mentioned in the 1n400s like the aforementioned junction capacitanceothers are not.

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In general, x20 ratio in reverse breakdown voltages between 1N and 1N reflects major differences in junctions’ properties. These properties must affect almost any electrical parameter of the diode. Manufacturers tend to represent these diodes as having exactly the same properties because the very fine differences are not important for main areas of employment of these diodes. There are applications which require more precision though.

People say that there are also applications which take advantage of diodes’ reverse breakdown. In these applications you might want to be able to choose a suitable breakdown voltage. I don’t know the specifics though. My guess is that years ago, when these diodes were just introduced and the semiconductor processes were not mature, the differences between different diodes were more pronounce. If the price is the same and you use these diodes in “standard” applications like low frequency rectificationyou may use any of them as long as it satisfies your requirements for reverse breakdown voltage.

If you are planning to use them for something more sensitive, you might want to test them all to see which one suites better. There appears to be two fundamentally different types of diodes sold as 1N The first type is a conventional diode and is sold as 1N There is no disadvantage except possibly price in using 1N diodes for everything. They also have lower junction capacitance at all reverse bias voltages eg.

For actual curves illustrating the difference, refer to the Motorola Semiconductor Library databooks. In modern times we would likely use a different type of diode at higher frequencies over a few kHz square wave or maybe 5kHz sine wave so the differences are no longer that important, but a few folks have pushed the PIN types into RF service.

I sure like the answer from Spehro Pefhany, but in today’s datasheets- many do not mention any differences anymore But they are all 8pF in the new 1NxG versions Seems there is no perceivable difference anymore, other datsaheet many BOM’s have different versions spec’d in, so each MFR keeps offering every version. These all are the same diode. The semiconductor technology datasheett not so precise, so, the diodes, produced in one technological cycle are different.

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Oh no, there’s been an error

After sorting they are marked respectively. It is a common practice not only for diodes. N1400x, sometimes not very often there are schematics where the diode works in avalanche breakdown mode, so you will need the breakdown voltage to be predictable.

Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the 1m400x bonus does not count.

Would you like to answer one of these unanswered questions instead? Home Questions Tags Users Unanswered. What is the difference between 1N and 1N other than their maximum reverse voltage? Their maximum current recovery time reverse leakage current capacitance are the same.

According the manufacturer specifications, the forward voltage drop is totally equal for all 1Nx diodes. To my best knowledge, junction capacitance is very sensitive to depletion layer width. PN diodes can be much more complex than a simple 2D model demonstrated in all the theoretical examples Can you provide any reference for your answer? I can hardly believe that diode’s manufacturers just throw away poorly performing diodes and do not try to sell them as a less tolerant device.

I recall seeing an increase in forward voltage in the over theabout thirty years ago unfortunately I no longer have the relevant data. It is possible that manufacture has changed and this is no longer true; I datxsheet see any current evidence for it. I think there is some binning going on, but that is not all. The 1n diodes are a lot bulkier than the 1n if I remember correctly Vasiliy 6, 2 14 One has to wonder if some parts are not even binned these days, but merely labelled as demand dictates, and propagated simply because they are foundational parts that will probably never go obsolete.

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