Look for something an npn transistor might be called an rf transistor, of course with similar or somewhat higher ft, similar or somewhat lower cob, and hfe in the same range to make it more likely it oscillates, and similar or somewhat higher pd, vceo, and ic to make sure it doesnt burn out. This section contains free e books and guides on transistor circuits, some of the resources in this section can be viewed online and some of them can be downloaded. General electric transistor manual if that link goes away, you can sometimes find it for absurd. This section contains free ebooks and guides on transistor circuits, some of the resources in this section can be viewed online and some of them can be downloaded. Complementary silicon transistors, plastic, mediumpower. Heat sinks and fans increase the ability of a transistor to dissipate heat. Guide to 2n series transistors approximate specs and characteristics. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Transistor equivalents for the substitution of modern transistors in elderly projects. I have a circuit that uses bc106 and 2n3634, which cant find in store where i live. Transistor uses, transistor rules, common emitter circuit, small signal amplification, fieldeffect transistors, jfet operating regions. May not be an exact mechanical or electrical equivalent.
Nte is a company that specializes in cross referenced parts. Emitter maximum ratings ta25 unless otherwise noted symbol parameter tip120 tip121 tip122 units tip125 tip126. 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. Tip100101102 monolithic construction with built in base emitter shunt resistors high dc current gain. View forum posts private message view blog entries view articles full member level 5 join date jun 2005 posts 240 helped 45 45 points 4,206 level 15. Years ago there were books for transistor equivalents. At first glance, this looks like an insulator but the actual behavior is far more interesting, if we apply external voltages properly n n p collector emitter base moderately doped lightly doped, and very thin heavily doped. Cross reference universal transistor reference page 1 eevblog electronics community forum. Tip122 datasheet, equivalent, cross reference search. At first glance, this looks like an insulator but the actual behavior is far more interesting, if we apply external voltages properly n n p collector emitter base moderately doped.
Obsolete transistor equivalents all about circuits. Does anyone know where the site is that you type in a transistor and get a list of equivalent transistor. Ecg transistor replacement guide book free 2sb337 transistor replacement guide 980510 2n339 c24850772 bc149c 2sb508 s9510. Introduction the bipolar junction transistor consists of three regions. In certain cases, the quoted collector current may be exceeded. Npn silicon transistors with similar properties are also made in a variety of small. Rca transistor thyristor and diode manual sc14 and a great selection of related books, art and collectibles available now at. Check our section of free e books and guides on transistor circuits now. International transistor equivalents guide bernard babani. Npn transistor circuit working, characteristics, applications. Pc max ucb max uce max ueb max ic max ft max cctip pf hfe tj euro equivalent, usa equivalent, ussr equivalent, japan equivalent.
However, it will provide an acceptable substitute in the majority of typical applications. Please consult the most recently issued document before initiating or completing a design. Other schematic diagrams and service manuals can be downloaded from our free online library on electronics. But all this is some ones idea of what a equivalent is. The characteristics and approximate specifications of 2n series discrete transistors are generally the same between different manufacturers when trying to decide which transistor you need, take into consideration the following. Is there any webbased or stand alone program to do such service for transistors and ics. I during 80s and 90s, i used to search for components equivalents in books. The characteristics and approximate specifications of 2n series discrete transistors are generally the same between different manufacturers. Overall number of data sheets in free reference books we offer is over 20,000. Calculate the base current of a bipolar npn transistor having the bias voltage 10v and the input base resistance of 200k. Apr 28, 2014 download bipolar transistors database for free. In the next few sections, let us look at the actions taking place in an npn transistor and a pnp transistor. Calculate the base current ib to switch a resistive load of 4ma of a bipolar npn transistor which having the current gain.
Pinball transistor equivalent chart, or how to read. 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. The kt315 is a soviet silicon npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications, enclosed in the plastic kt package. Bipolar junction transistors bjt and fieldeffect transistorsfet. Tip100 tip102 tip105tip106tip107 complementary silicon power darlington transistors sgsthomson preferred salestypes complementary pnp npn devices integrated antiparallel collectoremitter diode applications linear and switching industrial equipment 3 2 description 1 the tip100 and tip102 are silicon epitaxialbase npn power transistors in. Tip102 datasheet, equivalent, cross reference search. Mar 27, 2015 hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors. The movement of an electron to the left is equivalent to a hole moving to the right. Notes on npn transistors university of california, san diego. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor.
Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. Tip102 npn transistor complementary pnp, replacement. A to5 transistor with a p d of 3 watts might be able to dissipate 810 watts with a heat sink. Tip107 pnp transistor complementary npn, replacement. Notes on npn transistors david kleinfeld spring 2018 1. Free transistor equivalent book transistor bipolar junction. You started with simple resistive circuits, then dynamical systems circuits with capacitors and inductors and then opamps. The 72v841is a 4k x 9 dual synchronous fifo that is functionally equivalent to two 72v241 fifos in a single package with all associated control, data, and flag lines assigned to separate pins.
The darlington bipolar power transistor is designed for generalpurpose amplifier and low speed switching applications. Transistor equivalents for the substitution of modern. Should you find any info that can fill in any of the blanks in the matrix below. Design and application of transistor switching circuits. 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. Tip120,121,122 semiconductor technical data tip125,126,127 tip120,121,122 darlington transistor npn to220 tip125,126,127 darlington transistor pnp 1. Transistor working, construction, application, types d. Does anyone know of a chart anywhere that list some of the common transistors you see in pinball circuit boards and their equivalent from different manufacturers. Transistor is an three layer pnp or npn semiconductor device with two junctions.
Vce limits of the transistor that must be observed for reliable. Collector features medium power complementary silicon transistors 3. Maximum power, called p d, is the overall power a transistor can dissipate, through heat, without burning up. Choosing transistor replacements electronics notes. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose. Bipolar transistors database contain more than 46000 transistor data npn and pnp transistors. Tip105, tip106, tip107 pnp are complementary devices.
Cross reference universal transistor reference page 1. Tip107 datasheet, equivalent, cross reference search. Does anyone have any information on quality equivalents for these transistors. Bipolar power transistor selection guide january 2003 table of contents product page general purpose transistors horizontal deflection output transistors product page dpak d2pak sot223 ipak to126 todarlington transistors dpak ipak to126 to220 to220f to3p to3pf switching transistors dpak d2pak to92 to126 to220 to220f to3p to3pf 2. This page contains list of freely available e books, online textbooks and tutorials in transistor circuits. What characteristics should i look for in a replacement. Pls i need transistor equivalent of ztx300 and 2n3705. Then you learned how circuit elements do not operate the same at all frequencies. Is there any website which could help me find an equivalent transistor. Aug 21, 2014 general electric transistor manual if that link goes away, you can sometimes find it for absurd. You have such things as optical transistors, and some scientists are experimenting with them and trying to develop optical computers. Looking for equivalent transistor electrical engineering. Cross reference universal transistor reference read 980 times.
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. A great book for learning electronics in easy plain language. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by adrian michaels isbn. Diodes and transistors university of california, berkeley. Since photons in lighttransmitting mediums go much faster than electrons in metal and the physics of thermal dis. Free package of programs to work with pdf and djvu files can be downloaded here. Transistors now that we know about diodes, lets put two of them together, as follows. Bjts have 3 terminals and come in two varieties, as npn and pnp transistors. Dodgy ebay replacements are available but im aware that this is not necessarily the best route to go down. Transistor npn transistor, pnp transistor definition. Semiconductor cross reference book engineers of howard w. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34.
So called equivalent parts, or nte replacements, may not work at all in some cases, because they were worse in some spec, or the circuit was designed with the assumptions that the part had a fairly low bandwidth. What books should one use to study mosfet, bjt transistor. Transistors peter mathys ecen 1400 transistor families there are two major families of transistors. Everyday low prices and free delivery on eligible orders. Hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors. Many times the equivalents shown in the various books are harder to find than the original component. Most have a way to say i need a transistor like this. 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 the operation is quite simple and is separated by categories such as. Please note that i have chosen to discuss the bipolar junction transistor instead of the field effect transistor. Mar 21, 2004 years ago there were books for transistor equivalents. Book depository books with free delivery worldwide.
Vrt comparison table for semiconductors from a to z. Find transistors equivalent related suppliers, manufacturers, products and specifications on globalspec a trusted source of transistors equivalent information. Select a replacement transistor with equivalent ft. The links at left may help you to research your own replacement transistors. Or, point me to an article that explains transistor specifications and how to read them. Introduction so far in ee100 you have seen analog circuits. Smallsignal transistor data book, 86 pages, 1984, motorola. Bjts are currentcontrolled devices which means that a small amount of current flowing through the base of a bipolar junction transistor, results in a large current that flows from emitter to collector. N stands for ntype material and p stands for ptype material. Collectoremitter sustaining voltage low collectoremitter saturation voltage industrial use to220 1 complementary to tip105106107 1.
1541 1256 1055 1194 979 402 1592 1082 256 1053 1570 1473 1046 1572 1618 401 315 502 320 1328 191 700 1626 1373 1514 109 589 1439 605 49 1298 1175 923 301 12 179 448 545 783 363 189 606 832 249 641