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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A good rule of thumb is to build it using the minimum beta value instead of the max:. It was second sourced by other manufacturers; Texas Instruments listed a single-diffused mesa version of the device in an August datasheet.

Below is a table of the comparison and contrast of the transistors, with an explanation of what everything in the table means below it. It is used in a variety of analog amplification and switching applications. Although the original 2N went into decline relative to epitaxial-base transistors because of high manufacturing costs, the epitaxial-base version continued to be transiistor in both linear amplifiers and switching supplies.

The 2Nwith a TO-3 case has slightly lower gain but significantly higher maximum ratings W, Vceo, 16 Amps. The 2N is used very frequently in hobby electronics projects, including home-made ham radioscode-practice oscillators translstor as an interfacing device for microcontrollers. RCA by had changed their specification to give 2. Archived from the original on And if you need greater than 1A at the output, then a darlington transistor such as the TIP transistor can be used, which can handle up to 5A of amplified current.

This means the 2N will suffice perfectly fine for these applications. Modern successors to the 2N can be much more suitable in fast-switching circuits or high-end dayasheet power amplifiers. So if you need to build an amplifier with a gain ofyou 2h3094 up 3 transistor stages.

The total power dissipation written P D in most American datasheets, P tot in European ones depends on the heatsink to which the 2N is connected. The device is designed to operate with an efficient heatsink, but care must be taken to mount the device properly, [7] [8] [9] else physical damage or worsened power handling may result, especially with cases or heatsinks that are not perfectly flat.


However, when you are dealing with electronics, unless you are in power electronics, you will pretty much never need amperage this high.

Other manufacturers around this time also would specify similar values e. The KD have higher power and higher current than 2N In the sheet above, it is also known as as hFE.

The maximum collector-to-emitter voltage for the 2N, 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 the Collector-Emitter Sustaining voltage, V CEO susis given by ON Semiconductor.

Comparing transistors isn’t extensive, as there are only a few very useful parameters that matter. It often has a transition frequency of around 3. The team of design, production, and applications engineers received RCA Electronic Components achievement awards in Modern 2N datasheets often, but not always, specify f T of 2.

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This means they are both controlled by current applied to the base and provide current amplification at the collector-emitter end. 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. If you need less than mA, the 2N or 2N will work. First explanation from mgburr and Lance: The frequency at which gain begins to drop off may be much lower, see below.

It was produced exclusively by the Czechoslovakian electronics company Tesla. So the choice ultimately depends on how much current is needed. In simplicity, this really means that 40V is the maximum amount of voltage that the transistor can tolerate minus the voltage drop across the load connected to the collector. The 2N and the 2N are 2 of the most popular NPN bipolar junction transistors in the electronics market.


In these ways, the 2N and the 2N are both identical. Commons category link is on Wikidata.

2N3904 vs 2N2222

Views Read Edit View history. These all normally require much less than mA to be powered on. It is designed for low current and powermedium voltageand can operate at moderately high speeds. How they differ is that the 2N can handle greater operating collector current.

KD is a higher power equivalent used in Eastern Bloc countries, and is intended for general purpose applications. This wouldn’t be acceptable, since it exceeds the maximum V CEO. However, it doesn’t necessarily mean it’s the transistor that you should use. Per mgburr and Lancelot: If you need greater than mA but less than 1A, then the 2N will be the one to use.

Motors, for example, typically require in the range of about 75mA to power on. Usually a 2N will suffice for most circuits, but if you need more than mA, then you should use a 2N instead. In the sixties and early seventies, Philips produced similar devices encapsulated in TO-3 transistr under the reference BDY20 described as being for “hifi” purposes and BDY38 although the BDY38 has lower voltage ratings than the 2N The 2N is a silicon NPN dataheet transistor intended for general purpose applications.

Beta? Hfe? Gain? 2Ns! I think its transistor

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. This transistor is low-cost, widely available and sufficiently robust to be of use by experimenters and electronics hobbyists.

The complementary PNP transistor is 2N

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