Transistors .. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual. DATA SHEET. Product specification. Supersedes data of Apr Oct DISCRETE SEMICONDUCTORS. 2N NPN switching. Unless otherwise specified in this data sheet, this product is a standard commercial product and is not intended for use in applications that require extraordinary.

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Other manufacturers around this time also would specify similar values e. They are also identical in the amount of voltage they can handle aross the collector-to-emitter terminals- both can handle up to 40V.

In the sixties and early seventies, Philips produced similar devices encapsulated in TO-3 packages under the reference BDY20 described as being for “hifi” purposes and BDY38 although the BDY38 has lower voltage ratings than the 2N Filed under beta hfe gain 2n tymkrs amplification transistor man transistors.

Retrieved 7 November The 2N, 2N, and 2N devices, for example, which date back to the s but have been improved, are still useful in new designs and are still popular for experimenters. This wouldn’t be acceptable, since it exceeds the maximum V CEO. How they differ is that the 2N can handle greater operating collector current. Comparing transistors isn’t extensive, as there are only a few very useful parameters that matter.

Views Read Edit View history. The higher-power 2N tranxistor a very similar NPN transistor that can safely switch three times as much current as the 2N This means that in a circuit, voltage and current are biased to them the same exact way- they both must receive positive voltage to the base and collector terminals in order to operate.


These really are extreme conditions. The exact performance characteristics depend on the manufacturer and date; before the move to the epitaxial base version in the mids the f T could be as low as 0.

The maximum collector-to-emitter voltage for the tdansistor, like other transistors, depends on the resistance path the external circuit provides between the base and emitter of the transistor; with ohms a 70 volt breakdown rating, V CERand dataasheet Collector-Emitter Sustaining voltage, V CEO susis given by ON Semiconductor.

2N3904 Datasheet, Equivalent, Cross Reference Search

Variants with higher voltage ratings e. With changes to semiconductor manufacturing technology, the original process became economically transiwtor in the mids, and a similar device was created using epitaxial base technology.

Wikimedia Commons has media transisror to 2N Commons category link is on Wikidata. When figuring out DC current gain, the beta value is part of the formula. It has a transition frequency of 2.

2N transistor datasheet & applicatoin notes – Datasheet Archive

A good rule of thumb is to build it using the minimum beta value instead of the max:. With an “infinite” heatsink, that is: And if you need greater current, the TIP can handle up to 15A. It is by now unlikely to actually obtain a genuine 2N transistor when using popular sales platforms such as Amazon or Ebay; classic electronics distributors are mostly still able to properly source them.


The complementary PNP transistor is 2N The 2N is a silicon NPN power transistor intended for general purpose applications. It is used in a variety of analog amplification and switching applications. The 2N is used very frequently in hobby electronics projects, including tfansistor ham radioscode-practice oscillators and as an interfacing device for microcontrollers.

An MJ PNPwhich is datawheet manufactured using the epitaxial process today, is a complementary transistor to the 2N So in this way, the 2N does have superiority in that it can handle greater current. datqsheet

Motors, for example, typically require in the range of about 75mA to power on. Archived from the original on The historically-significant 2N was designed by Herb Meisel’s engineering group with RCA; it was the first multi-amp silicon power transistor to sell for less than one dollar, and became an industry workhorse standard.

So a bunch of the folks were talking about engineering and electronics and the like in our irc room and I got to talking about how engineers love smashing a whole bunch of letters and numbers together to make chip names sound ridiculous.

First explanation from mgburr and Lance: Graf; William Sheets KD are packaged in a TO-3 case style called T41 by Teslait is a 20 amp80 voltwatt power transistor. Views Read Edit Datashset history. In these ways, the 2N and the 2N are both identical.

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