Smd equivalent the smd versions of the mps2222a are available as the dxt2222a sot89, dzt2222a sot223, fjx2222a sot323, fmmt2222a sot23, fmmt2222ar sot23, kn2222as sot23, kst2222a sot23, ktn2222as sot23, ktn2222au sot323, mmbt100 sot23, mmbt2222at sot523f. Basic semiconductor physics, diodes, the nonlinear diode model, load line analysis, large signal diode models, offset diode model, transistors, large signal bjt model, load line analysis, small signal model and transistor amplification. One bag had 97 and the other bag had 92 transistors. Aah 200711 mmbt2222a smd general purpose transistor npn. I have across this circuit across a lot of forums and was just wondering if i could replace bc547 q1 in the circuit with the commonly used 2n2222 npn transistor. When base current is removed the transistor becomes fully off, this stage is called as the cutoff region. All products are tested for stability, consistency and reliability. Complete technical details can be found at the 2n2222a datasheet. General purpose transistors technical data and comparison tables.
Transistor kit 10 value 200pcs npn pnp power transistor. Com datasheet search site for electronic components and semiconductors and other semiconductors. However the pins order for p2n2222 is different from 2n2222. The device is housed in the to92 package, which is designed for medium p. In certain cases, the quoted collector current may be exceeded. Theyre critical as a control source in just about every modern circuit. Mps2222a npn transistor complementary pnp, replacement. In this tutorial well introduce you to the basics of the most common transistor around. When used as an ac signal amplifier, the transistors base biasing voltage is applied in such a way that it always operates within its active region, that is the linear part of the output. Smd equivalent the smd versions of the mps2222a are available as the dxt2222a sot89, dzt2222a sot223, fjx2222a sot323, fmmt2222a sot23, fmmt2222ar sot23, kn2222as sot23, kst2222a sot23, ktn2222as sot23, ktn2222au sot323, mmbt100 sot23, mmbt2222at sot523f, mmst2222a sot323, pmbt2222a sot23 and pmst2222a sot23. Information furnished is believed to be accurate and reliable. If you cant search it here, nowhere else in the world.
Is there any webbased or stand alone program to do such service for transistors and ics. All about 2n2222 transistor and its circuit diagrams. However, stmicroelectronics assumes no responsib ility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. This product is widely used in product development, student experiments, maintenance, production, etc. Download ic database equivalent guide 100 thousand. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. The 2n3906, 2n3904 and 2n2222 transistors are three of the most commonly used types and i ordered a 100 pack of each from amazon. One of the most default and primary function of a transistor. Semiconductors data sheet book, halfpage m3d186 pn2222a npn switching transistor 1999. The 2n3904 and the 2n2222 are 2 of the most popular npn bipolar junction transistors in the electronics market. Choosing transistor replacements electronics notes. Transistor diagram npn and pnp 2n2222 2n3904 and 2n3906. It was originally made in the to18 metal can as shown in the picture.
Jul 16, 2010 well when you need a general purpose bjt you just grab a 2n2222 from your box, but now we move to fetsmosfets what is the equivalent. Pn2222a datasheet, equivalent, cross reference search. For example the collector current of the transistor is 600ma that is quite good to use it as a switch to drive many loads at a time in an electronic circuit. Transistor equivalent bipolar junction transistor transistor scribd. You can have a look at the datasheets the two major differences that i find are. It is frequently used as a smallsignal transistor, 4 5 and it remains a small general purpose transistor 6 of enduring popularity.
Smallsignal transistors replacement list bc337a bc337 equivalent type bc338 bc337 bc33816 bc33716 bc33825 bc33725 bc33840 bc33740 bc36816 bc63516 bc36825 bc63516 equivalent type bc547a bc546a bc548 bc547 bc548a bc546a bc548b bc547b bc548c bc547c bc549 bc547b bc549b bc547b bc550 bc547b bc550b bc547b bc557a bc556a bc558 bc557 bc558a. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose lowpower amplifying or switching applications. The graphs of the above voltages and currents characterize a particular transistor e. Dec 11, 2017 2n2222a is a npn transistor hence the collector and emitter will be left open reverse biased when the base pin is held at ground and will be closed forward biased when a signal is provided to base pin. Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human. To bias a transistor we have to supply current to base pin, this current i b should be limited to 5ma. Base voltage mps2222 mps2222a vcbo 60 75 vdc emitter. Semiconductor transistor, diode, ic cross reference. The transistor is off when theres no bias voltage or when the bias voltage is less than 0.
Pn2222 datasheet, equivalent, cross reference search. Well when you need a general purpose bjt you just grab a 2n2222 from your box, but now we move to fetsmosfets what is the equivalent. Transistor equivalent book 2sc2238 transistor integrated circuit. You can always remember that the arrow points at the n material. Type tip30s5 npn singlediffused mesa silicon power transistor for power amplifier and, rate of 28 mwac. Ic cross reference cross reference ci stk cross reference ci tda cross reference ci sharp cross reference hitachi audio ic cross reference and circuit applications smd cross reference and equivalent we make every effort to ensure that the material on this site is accurate, however we do not warrant or represent that the information is free. Ecg transistor replacement guide book free datasheet. Transistor equivalent circuit with diodes for multimeter test. Imo, the 2 transistor books i got need a good instructor to clarify basic concepts like flow of electrons and holes, reverse bias, forward bias, etc. Npn silicon switching transistor qualified per milprf19500255. The 2n3906, 2n3904 and 2n2222 transistors are three of the most commonly used types and. I have 2n4401 transistors that seem to be the same. C unless otherwise specified description symbol 2222 2222a unit c.
The switch is on when the base is saturated so that collector current can flow without restriction. The complementary pnp transistor to the mps2222a is the mps2907a. Emitter voltage mps2222 mps2222a vceo 30 40 vdc collector. This module is devoted to the design of a transistor amplifier and this involves choosing the values of five resistors and three capacitors. The archer transistor substitution guide and crossreference listing has been prepared by the, check the entire circuitry to be sure the transistor requires replacement. Cross reference electronic circuits, tv schematics, audio. The transistor contains some of the best feature in its little package. Npn transistor 2n2222,three pins 2n2222 npn transistor to92 npn transistor assortment ki 2n2222a,20 pcs. Shown are the npn 2n2222, npn 2n3904 and 2n3906 pnp type transistors.
Transistor equivalent circuits and models learning objectives general dc equivalent circuit ac equivalent circuit equivalent circuit of a cb amplifier effect of source resistance r s on voltage gain equivalent circuit of a ce amplifier equivalent circuit of a cc amplifier smallsignal lowfrequency model or representation. Free packages are available maximum ratings rating symbol value unit collector. A to5 transistor with a p d of 3 watts might be able to dissipate 810 watts with a heat sink. The npn bipolar transistor is designed for use in linear and switching applications. Pn2222a transistor datasheet pdf, pn2222a equivalent. I realise that the 2n2222 is a small signal transistor, that is relatively low power, but i would like a circuit that uses one to switch leds to switch much higher current. If you go to amazon and look up transistor cross reference, you can find a few books that can help. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. This video demonstrates how to use a transistor to amplify electronic signal.
When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads. Transistor switches can be used to switch a low voltage dc device e. This datasheet contains the design specifications for. Absolute maximum rating for emitterbase voltage is 6v hence the eb junction broke down and started conducting. Pn2222 transistor datasheet pdf, pn2222 equivalent. Here is an image showing the pin diagram of the this transistor. Free devices maximum ratings ta 25c unless otherwise noted characteristic symbol value unit collector. Hi ashwin, as others have pointed out, in most cases you can use a substitute for the 2n2222. Heat sinks and fans increase the ability of a transistor to dissipate heat. It is necessary to ensure that the replacement transistor will be able to operate at the relevant frequencies, so a similar or slightly higher ft is advisable. P2n2222 which has alike specifications excluding lower max collector current ic. Ksp2222a is a npn transistor hence the collector and emitter will be left open reverse biased when the base pin is held at ground and will be closed forward biased when a signal is provided to base pin. Semiconductors data sheet book, halfpage m3d186 pn2222a npn switching transistor. Radiation hardened npn silicon switching transistors.
To help speed up the production of new videos and keep the website. Still, to me transistors are very technical i need a transistor book that is about 8th grade level with more diagrams. Bipolar npn device in a hermetically sealed to18 metal package. Select a replacement transistor with equivalent ft. Again the values of the resistor mentioned above are only for reference commonly used you have to design your own circuit based on the application and transistor you are using. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by adrian michaels isbn. Apr 17, 2017 although the software seems a bit ugly design running on dos, but it works perfectly with the database with many components and is free, makes an interesting tool to interested in electronics, want to know when information about a particular component or find a replacement. Vrt comparison table for semiconductors from a to z edition. If ordered before 12pm super fast delivery limited areas. P2n2222a amplifier transistors npn silicon features these are pb.
International transistor equivalents guide bernard babani. Smallsignal transistor data book, 86 pages, 1984, motorola. Alternatives for the 2n2222 are now commonly available in to92 packaging e. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Sample pages of the vrt comparison books from eca edition 20102011 vrt volume 1 from a to z split into 2 books vrt1a and vrt1b 1496 pages isbn 9783937469379 vrt volume 2 from 0 to 680 pages isbn 9783937469386. The transistor should present a high resistance between the collector and emitter with the base left open circuit as there are two back to back diodes. Discover book depositorys huge selection of transistors books online. One of the most default and primary function of a transistor is to act as a switch. In case youre curious about which to use, or which one is better or superior than the other, in this article, we compare and contrast the. Kspa transistor is a general purpose transistor and hence fit into many applications, it is a direct substitute for 2na transistor as both. Im after a 4 v full turn on gate voltage and a couple of hundred ma capacity in to92 type case. Maximum power, called p d, is the overall power a transistor can dissipate, through heat, without burning up. There is not much difference when it comes to electrical properties of the two transistors. Transistor equivalent book 2sc2238 free download as pdf file.
The pn2222a is manufactured in a plastic to92 case. General purpose transistors npn silicon maximum ratings rating symbol value unit collectoremitter voltage pn2222 pn2222a vceo 30 40 vdc collectorbase voltage pn2222 pn2222a vcbo 60 75 vdc emitterbase voltage pn2222 pn2222a vebo 5. Check our section of free e books and guides on transistor circuits now. This page contains list of freely available e books, online textbooks and tutorials in transistor circuits. This included many transistor types, as well as resistors, capacitors and so forth. Npn epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted electrical characteristics ta25c unless otherwise noted pulse test. Ecg transistor replacement guide book free 2sb337 transistor replacement guide 980510 2n339 c24850772 bc149c 2sb508 s9510 text. Switching and linear application dc and vhf amplifier applications. Free transistor equivalent book transistor bipolar junction. Epitaxial npn transistors in jedec to39 for 2n2219a and in jedec to18 for 2n2222a metal case. If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output. If you are in a region where access to digikey or mouser or an equivalent supplier is difficult or impo.
Free transistor circuits books download ebooks online textbooks. Features to92 low collector saturation voltage high speed switching for complementary use. Semiconductor 2n2222ae technical data general purpose transistor npn silicon these transistors are designed for general purpose amplifier 3 applications. Diodes and transistors pdf 28p this note covers the following topics. Pn2222a npn transistor complementary pnp, replacement. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. They are designed for high speed switching application at collector current up to 500ma, and feature useful current gain over a wide range of collector current, low leakage currents and low saturation voltage. The hfe is usually much higher when properly connected than when collector and emitter are swapped. By touching the two wires the led lights up using the current running through your body. I sincerely hope the original poster, who had a single post, has found a compliment to the 2n2222 by now. They are housed in the sc89 package which is designed for low power surface mount applications. Leds on or off by using a transistor in its saturated or cutoff state. Spehro pefhany k 4 no transistro pin will show that.
Ss9015 pnp epitaxial silicon transistor filipeflop. This is a schematic diagram for a circuit that uses an npn transistor as a switch that turns an led on or off. Npn silicon transistors with similar properties are also made in a variety of small. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. Everyday low prices and free delivery on eligible orders. The capacitors c1 and c2 are simply used for filtering purpose. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose.
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