Transistor equivalent circuit shows, bipolar power transistor data book 1996. We can find the equivalent number of any transistor from equivalent book or. Transistor substitution desoldering and replacing a transistor takes very little time. Apr 05, 2008 it has been very useful for me because it doesnt provide only the nte replacements. 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. Alternatively equivalent s to these transistors would help. For audio use, the bc147, bc148 and the bc149 were very popular as far as i can tell, the.
Npn silicon planarepitaxial transistor for general purposes. The best equivalent transistors are the af12x series that are the same piece of. Bc149 cross reference electronic circuits, tv schematics. Transistor equivalent book pdf free download by corfikome. 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. Bc109c transistor equivalent substitute crossreference search bc109c datasheet pdf. More time is spent figuring out which one to replace and, sometimes, what to replace it with. Discover book depositorys huge selection of transistors books online.
Semiconductor transistor, diode, ic cross reference. Initially in metal to18 packages, the range expanded over time to include other package. Alternatively equivalents to these transistors would help. Hi you can use bc109c, bc209c, bc549c or bc550c the last, the best. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. This looks like the ubiquitous to18 package as used by the bc108 and similar but with a forth lead for the screen. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. If you install the wrong polarity, the sandwich wont work. The best equivalent transistors are the af12x series that are the same piece of germanium, but mounted in a to72 case. Aug 21, 2014 general electric transistor manual if that link goes away, you can sometimes find it for absurd.
Check our section of free e books and guides on transistor circuits now. Bc148 datasheet, equivalent, cross reference search. Substitute to bc148 transistor electronics forum circuits. If its just switching, then its much less important to get an exact equivalent and even something like a bc337 would probably do.
A substitute transistor must have the same polarity, either pnp or npn, as the original. Most projects will specify a particular transistor, but if necessary you can usually substitute. Book this book does not require a rating on the quality scale. More than 490,000 part numbers, type numbers, and other identifying numbers listed. Bc327 cross reference electronic circuits, tv schematics. Most of the graphs in the book have been changed, the remainder will. Tags datasheet, download, electronic software, ic, transistor post navigation.
Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Reference books on integrated circuits, microcontrollers and transistors. Problem is, i cant find a bc148 transistor and im looking for a substitute. Bc149 cross reference electronic circuits, tv schematics, audio. Transistor circuits books 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. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other. Aug 27, 2010 one part that you should add to the circuit is a 1n400x series 1n40011n4007 rectifier across the relay coil. At the maximum voltage, also called a breakdown voltage bv, electrons. Sot25 download easy to understand polish bc149 datasheet. What books should one use to study mosfet, bjt transistor. Bc147 was an extremely popular npn transistor originally released in the mid 1070s bt philips semiconductor for audio applications. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from europe, australia and many other countries. Darlington free delivery possible on eligible purchases.
I have a small circuit which controls the speed of a dc motor as per the ambient temperature. A bc108 transistor is an npn negativepositivenegative bipolar transistor. The original transistor might need special ordering, or be discontinued and unavailable. Buy 10 pcs of bc338 npn general purpose transistor 25v 800ma.
Information source collector info sammler ktt 196970, tvt 197980 eca. A complete guide to semiconductor replacement and substitutions from the makers of photofactr service documentation. Pinning pin description 1 emitter 2 base 3 collector fig. Mar 11, 2008 its an npn transistor rated for 500ma, 50v and with a hfe gain between 20 and 300, typically 80 at 0. Lowfrequency general purpose transistors will be transferred to sc3 later in 1979. Jan 19, 2015 discover book depositorys huge selection of transistors books online.
General electric transistor manual if that link goes away, you can sometimes find it for absurd. 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. Transistor equivalent or substitute used for power amplifier. Cross reference universal transistor reference page 1. Allieds handbook of transistor fundamentals author. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. 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. Bc149 transistor buy, price, datasheet, siliconark. Vrt comparison table for semiconductors from a to z. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from europe, australia and many other countries from the 1960s.
Join date oct 2004 location west coast posts 7,942 helped 2331 2331 points 74,061 level 66. In the american family, the 2n5818 is a good and easy choice. Bc327 cross reference electronic circuits, tv schematics, audio. Free transistor circuits books download ebooks online textbooks. I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering.
Vrt comparison table for semiconductors from a to z edition. Articles transistors in vintage radios marks pages home. This page contains list of freely available e books, online textbooks and tutorials in transistor circuits. Download ic database equivalent guide 100 thousand. 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. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. This need was provided for in my first book of transistor.
The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from. This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. I want to build this circuit, but i dont have the proper transistors. Free transistor circuits books download ebooks online. Can you guys help me find out the transistors that can. What im attempting to create is my own transistor logic rs232 rs232 refers to the serial com1 port on computers. Everyday low prices and free delivery on eligible orders. Siemens, semiconductor manual, discrete industrial types 1974. Bc109c datasheet, equivalent, cross reference search.
Bc549c transistor the bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Bc149 datasheet, equivalent, cross reference search. Without it, induced voltages from the coil when the transistor turns off will eventually destroy the transistor. Bc148 transistor transistor bc149 npn transistor bc148 bc158 transistor transistor bc118 transistor bc5 transistor bc117 transistor bc148 bc117 transistor text. Invention of transistor was done by great american scientist mr. Likewise, if the original was a bc147, then check the circuit carefully to see what voltage the transistor might be subjected to, and replace with a bc107 or bc547 if in doubt. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. They were created by philips and mullard in 1963 and introduced in april 1966. Second book of transistor equivalents american radio history. That is good practice when controlling a dc relay with any semiconductor. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. This is a wikipedia book, a collection of articles which can be downloaded electronically or ordered in print. Npn silicon planarepitaxial transistor for general purposes image shown is a representation only. Initially in metal to18 packages, the range expanded.
Can general purpose transistors like 2n3904, 2n4401, bc547, 2n2222, etc. I found a perfect simple circuit schematic which ive attached below, and ive purchased the breadboard, soldering iron and all. Text in other languages may differ dimensions whd incl. 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. So, if the original transistor was a bc149, its best to use a bc109 or bc549 as a replacement although in practice, the difference in noise might be negligible. In certain cases, the quoted collector current may be exceeded. Its an npn transistor rated for 500ma, 50v and with a hfe gain between 20 and 300, typically 80 at 0. One of my interests is restoring vintage transistor radios.
Others, discontinued transistor data book 1975, scan, pdf. International transistor equivalents guide bernard babani. Wikipedia books can also be tagged by the banners of any relevant wikiprojects with classbook. Find the pdf datasheet, specifications and distributor information. Wikipedia books are maintained by the wikipedia community, particularly wikiproject wikipedia books. Transistor codes surface mount, pnp, npn, choosing.
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