If you install the wrong polarity, the sandwich wont work. Free transistor circuits books download ebooks online textbooks. High power npn silicon transistor stmicroelectronics. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Johnson a great book for learning electronics in easy plain language. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. World transistor equivalents data az by eca author 4. Smallsignal transistor data book, 86 pages, 1984, motorola. Mar 10, 2009 all the substitution books i have seen have been highly unreliable. Semiconductortransistor crossreference list peavey. 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.
For highside switch circuits, you need a pnp style bjt. 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. Years ago there were books for transistor equivalents. Electrically similar devices, such as the mmbt3904, are available in a variety of small throughhole and surfacemount packages, including to92, sot23. The symbol of the transistor has an arrow on the emitter. Transistor equivalents for the substitution of modern transistors in elderly projects. 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. Apr 28, 2014 download bipolar transistors database for free. Bipolar transistors database contain more than 46000 transistor data npn and pnp transistors. Should you find any info that can fill in any of the blanks in the matrix below. More than 490,000 part numbers, type numbers, and other identifying numbers listed. Information furnished is believed to be accurate and reliable.
Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. You can easily switch big, like great than 12 volt loads with this transistors max 40 volt rating. A complete guide to semiconductor replacement and substitutions from the makers of photofactr service documentation. Bel187 datasheet, equivalent, cross reference search.
Looking for equivalent transistor electrical engineering. Bonjour, quelquun peux me dire avec quoi je peux replacer le transistor bcp56. 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. 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. Cross reference universal transistor reference page 1. Apr 21, 2014 a common transistor i use is the 2n3904. Alibaba manufacturer directory suppliers, manufacturers. Bipolar transistors database contain more than 46000 transistor. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor. Cross reference electronic circuits, tv schematics, audio. At the maximum voltage, also called a breakdown voltage bv, electrons. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Understanding transistor replacement, substitution and.
Transistors substitutionsequivalents all about circuits. Intended for low voltage, high current output pair application. This transistor is probably the most common pointcontact type to be found, presumably western electric manufactured many of them for the telephone system. Diodes and transistors pdf 28p this note covers the following topics. All the substitution books i have seen have been highly unreliable. 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. 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. Most projects will specify a particular transistor, but if necessary you can usually substitute. 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. International transistor equivalents guide bernard babani. What books should one use to study mosfet, bjt transistor. A substitute transistor must have the same polarity, either pnp or npn, as the original. Rca transistor thyristor and diode manual sc14 and a great selection of related books, art and collectibles available now at.
This is a wikipedia book, a collection of articles which can be downloaded electronically or ordered in print. Vrt comparison table for semiconductors from a to z. Vrt comparison table for semiconductors from a to z edition. Check our section of free e books and guides on transistor circuits now. Understanding transistor replacement, substitution and information is very important for a electronic repairer. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. The links at left may help you to research your own replacement transistors. However, stmicroelectronics assumes no responsib ility for the consequences. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. But all this is some ones idea of what a equivalent is. Finding transistor replacement can take you hours if you dont know the right method to do it.
Download ic database equivalent guide 100 thousand. Pc max ucb max uce max ueb max ic max ft max cctip pf hfe tj euro equivalent, usa equivalent, ussr equivalent, japan equivalent. General electric transistor manual if that link goes away, you can sometimes find it for absurd. You have clicked a page that seems to be very popular. Transistor equivalents for the substitution of modern. This page contains list of freely available e books, online textbooks and tutorials in transistor 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. Most have a way to say i need a transistor like this. Wikipedia books are maintained by the wikipedia community, particularly wikiproject wikipedia books. If you need one, i would recommend that you buy one of the previous editions from 2000 or earlier i ended up buying a copy of the eighth edition from 1998, and the. Its current rating is only 200ma, but that is enough for most relays. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Everyday low prices and free delivery on eligible orders. The western electric 2n110 is an ntype pointcontact switching transistor, despite its modern appearance and relatively late 2n number.
You can always remember that the arrow points at the n material. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. Transistors npn silicium, usage ganarai suite tamb25ac bc 550 b to92 bc 550 c to92 500 45 420800 0,25, 187 a. Apr 05, 2008 it has been very useful for me because it doesnt provide only the nte replacements. The 2n3904 is a common npn bipolar junction transistor used for general purpose lowpower. Choosing transistor replacements electronics notes. It has been very useful for me because it doesnt provide only the nte replacements. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by adrian michaels isbn. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor i. The 4 best transistors to keep in your parts kit bald engineer. If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output.
Allieds handbook of transistor fundamentals author. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Pls i need transistor equivalent of ztx300 and 2n3705. Itt intermetall 3 page contents 195 to 199 bias resistor transistors 201 to 204 addresses alphanumerical list of types 4 list of types 189 to 193 darlington transistors 5 to 17 technical information 19 to 65 smallsignal transistors npn 67 to 1 smallsignal transistors pnp 115 to 157 dmos transistors nchannel 159 to 187 dmos. Principles of transistor circuits is a very good book, but this 2003 print of the ninth edition suffers badly from being digitised as the illustrations are almost illegible. Ac187 datasheet, equivalent, cross reference search.