Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Select a replacement transistor with equivalent ft. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. 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. 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. S9015b mcc micro commercial components tm s9015c 20736 marilla street chatsworth micro commercial components ca 911 s9015d phone. Jan 19, 2015 discover book depositorys huge selection of transistors books online. Smallsignal transistors replacement list bc86816 bc868, bc86825 equivalent type bc876 bc878 bc880 bc878 equivalent type bc877 bc879 bcf29 bc857 bcf30 bc857b bcf33 bc847b bcf81 bc847c bcp5110 bcp5310 bcp5210 bcp5310 bcp52 bcp53 bcp5410 bcp5510 bcp6810 bcp68, bcp6825 bcp6816 bcp68, bcp6825. Does anyone have any information on quality equivalents for these transistors. Maximum power, called p d, is the overall power a transistor can dissipate, through heat, without burning up. 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. Transistors substitutionsequivalents all about circuits.
Design and application of transistor switching circuits. The next most important parameter is possible ft the effective maximum operating frequency although the transistor is of no use at that frequency. Here the majority charge carriers are the electrons. It has been very useful for me because it doesnt provide only the nte replacements. The flowing of these electrons from emitter to collector forms the current flow in the. Diodes and transistors pdf 28p this note covers the following topics. The importance of transistor cross reference, datasheet, equivalent and specification. Should you find any info that can fill in any of the blanks in the matrix below. S9015 datasheet, equivalent, cross reference search. Mar 10, 2009 all the substitution books i have seen have been highly unreliable. Understanding transistor cross reference, equivalent. Transistor equivalents for the substitution of modern.
Npn 100ma 50v digital transistor bias resistor builtin transistor. The links at left may help you to research your own replacement transistors. International transistor equivalents guide bernard babani. Is there anything available to see if a particular transistor can be replaced with a different one. 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. Obsolete transistor equivalents all about circuits. The 2n3439 and 2n3440 are silicon epitaxial planar npn transistors in.
To92 plasticencapsulate transistors s9018 transistor npn features z high current gain bandwidth product maximum ratings t a25. World transistor equivalents data az by eca author 4. Download ic database equivalent guide 100 thousand. In certain cases, the quoted collector current may be exceeded. S9014c datasheet, equivalent, cross reference search. Mar 27, 2015 hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors. Sheet book, halfpage m3d111 2n4036 pnp switching transistor 1997 jun 19 product specification. Wikipedia books are maintained by the wikipedia community, particularly wikiproject wikipedia books.
Npn silicon transistors with similar properties are also made in a variety of small. Npn transistor circuit working, characteristics, applications. Smallsignal transistor data book, 86 pages, 1984, motorola. Cross reference electronic circuits, tv schematics, audio. 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.
This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. Heat sinks and fans increase the ability of a transistor to dissipate heat. M3d302 pbss4140dpn sca73 651401pp12 free transistor equivalent book free all transistor equivalent book marking m2 npn sot457 marking code m2 pnp transistor sot457 marking sot23 tr2 marking code m2 sot23 marking code 10 sot23 mhc126 sc749. 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. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. Figure 5b shows an amplifier connection of the ota, the equivalent of a commonemitter transistor, transistor. Transistor equivalent book pdf free download by corfikome. Vrt comparison table for semiconductors from a to z edition. A complete guide to semiconductor replacement and substitutions from the makers of photofactr service documentation. 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.
Zs and zts are both 2pc4081q devices made by philips. Free transistor circuits books download ebooks online. All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Nov 18, 2018 fm transmitter circuit is a quite fun project for electronics beginners, so heres a circuit with the c9018 transistor in a previous post ive wrote about a stable and simple miniature fm transmitter circuit, anyway it was a good one. 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. Looking for equivalent transistor electrical engineering. Jan 23, 2015 npn transistor is one of the bipolar junction transistor bjt types. The data sheet is very important for every engineers and technicians because it can help them to find the nearest replacement for the components that they are.
Semiconductor transistor, diode, ic cross reference. Everyday low prices and free delivery on eligible orders. Cross reference universal transistor reference page 1. Transistor equivalents for the substitution of modern transistors in elderly projects. Second book of transistor equivalents american radio history. You are far better off understanding the specifications, particular those of particular interest to your application, and using a book or table of specs to find a proper substitute, or posting on sites like aac for help choosing. This is a wikipedia book, a collection of articles which can be downloaded electronically or ordered in print. I just entered transistor without quotes in the search box at the top level, then clicked on transistors bjt single,797 items and it took me to the transistor search page above. 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. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. S9014 datasheet, equivalent, cross reference search.
Choosing transistor replacements electronics notes. Electrically similar devices, such as the mmbt3904, are available in a variety of small throughhole and surfacemount packages, including to92, sot23. Fm transmitter circuit using c9018 transistor circuits diy. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose. There are books galore on this but surely someone knows of a site that has them listed and searchable my query is a simple one i have no 2n5551 transistors on hand and i want to see if one in my box will do the job. More than 490,000 part numbers, type numbers, and other identifying numbers listed. A to5 transistor with a p d of 3 watts might be able to dissipate 810 watts with a heat sink. Dodgy ebay replacements are available but im aware that this is not necessarily the best route to go down. Reference books on integrated circuits, microcontrollers and transistors. The npn transistor consists of two ntype semiconductor materials and they are separated by a thin layer of ptype semiconductor. C9014, c9014 npn small signal transistor, buy c9014 transistor. For example, in the first page of the book, if one looks at the alternatives for type 2g302, the replacement.
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