Bc149 transistor equivalent books

Design and application of transistor switching circuits. What books should one use to study mosfet, bjt transistor. Without it, induced voltages from the coil when the transistor turns off will eventually destroy the transistor. Alternatively equivalent s to these transistors would help. 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 generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other. Initially in metal to18 packages, the range expanded. They were created by philips and mullard in 1963 and introduced in april 1966.

Npn silicon planarepitaxial transistor for general purposes image shown is a representation only. Buy 10 pcs of bc338 npn general purpose transistor 25v 800ma. I found a perfect simple circuit schematic which ive attached below, and ive purchased the breadboard, soldering iron and all. Bc109c transistor equivalent substitute crossreference search bc109c datasheet pdf. This page contains list of freely available e books, online textbooks and tutorials in transistor circuits. Its an npn transistor rated for 500ma, 50v and with a hfe gain between 20 and 300, typically 80 at 0. It has been very useful for me because it doesnt provide only the nte replacements.

Wikipedia books are maintained by the wikipedia community, particularly wikiproject wikipedia books. General electric transistor manual if that link goes away, you can sometimes find it for absurd. Siemens, semiconductor manual, discrete industrial types 1974. Transistor equivalent book pdf free download by corfikome. Bc327 cross reference electronic circuits, tv schematics, audio. Tags datasheet, download, electronic software, ic, transistor post navigation. International transistor equivalents guide bernard babani.

That is good practice when controlling a dc relay with any semiconductor. Mar 11, 2008 its an npn transistor rated for 500ma, 50v and with a hfe gain between 20 and 300, typically 80 at 0. Text in other languages may differ dimensions whd incl. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Aug 27, 2010 one part that you should add to the circuit is a 1n400x series 1n40011n4007 rectifier across the relay coil. 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. Check our section of free e books and guides on transistor circuits now.

Invention of transistor was done by great american scientist mr. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. I want to build this circuit, but i dont have the proper transistors. Hi you can use bc109c, bc209c, bc549c or bc550c the last, the best. Transistor equivalent or substitute used for power amplifier. Second book of transistor equivalents american radio history.

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. Cross reference universal transistor reference page 1. One of my interests is restoring vintage transistor radios. Aug 21, 2014 general electric transistor manual if that link goes away, you can sometimes find it for absurd. Discover book depositorys huge selection of transistors books online. This need was provided for in my first book of transistor. Bc147 was an extremely popular npn transistor originally released in the mid 1070s bt philips semiconductor for audio applications. Npn silicon planarepitaxial transistor for general purposes. More than 490,000 part numbers, type numbers, and other identifying numbers listed. If its just switching, then its much less important to get an exact equivalent and even something like a bc337 would probably do. Others, discontinued transistor data book 1975, scan, pdf. We can find the equivalent number of any transistor from equivalent book or.

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. Free transistor circuits books download ebooks online textbooks. 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. Pinning pin description 1 emitter 2 base 3 collector fig. Everyday low prices and free delivery on eligible orders. This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. Semiconductor transistor, diode, ic cross reference. Bc149 cross reference electronic circuits, tv schematics, audio. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. If you install the wrong polarity, the sandwich wont work.

Can you guys help me find out the transistors that can. Download ic database equivalent guide 100 thousand. The original transistor might need special ordering, or be discontinued and unavailable. Most of the graphs in the book have been changed, the remainder will. A complete guide to semiconductor replacement and substitutions from the makers of photofactr service documentation. 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.

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 im attempting to create is my own transistor logic rs232 rs232 refers to the serial com1 port on computers. A bc108 transistor is an npn negativepositivenegative bipolar transistor. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. Problem is, i cant find a bc148 transistor and im looking for a substitute. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. This is a wikipedia book, a collection of articles which can be downloaded electronically or ordered in print.

I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering. Bc549c transistor the bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Wikipedia books can also be tagged by the banners of any relevant wikiprojects with classbook. Information source collector info sammler ktt 196970, tvt 197980 eca. Book this book does not require a rating on the quality scale. This looks like the ubiquitous to18 package as used by the bc108 and similar but with a forth lead for the screen. In the american family, the 2n5818 is a good and easy choice. Apr 05, 2008 it has been very useful for me because it doesnt provide only the nte replacements. 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. Vrt comparison table for semiconductors from a to z edition. At the maximum voltage, also called a breakdown voltage bv, electrons. Initially in metal to18 packages, the range expanded over time to include other package. The best equivalent transistors are the af12x series that are the same piece of germanium, but mounted in a to72 case. Alternatively equivalents to these transistors would help.

Vrt comparison table for semiconductors from a to z. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Transistor equivalent circuit shows, bipolar power transistor data book 1996. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from.

Allieds handbook of transistor fundamentals author. Can general purpose transistors like 2n3904, 2n4401, bc547, 2n2222, etc. Bc149 cross reference electronic circuits, tv schematics. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Transistor substitution desoldering and replacing a transistor takes very little time. 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. Darlington free delivery possible on eligible purchases. A substitute transistor must have the same polarity, either pnp or npn, as the original. 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. Free transistor circuits books download ebooks online. Bc109c datasheet, equivalent, cross reference search. Bc148 datasheet, equivalent, cross reference search.

Lowfrequency general purpose transistors will be transferred to sc3 later in 1979. Transistor codes surface mount, pnp, npn, choosing. Join date oct 2004 location west coast posts 7,942 helped 2331 2331 points 74,061 level 66. Bc148 transistor transistor bc149 npn transistor bc148 bc158 transistor transistor bc118 transistor bc5 transistor bc117 transistor bc148 bc117 transistor text.

Sot25 download easy to understand polish bc149 datasheet. Find the pdf datasheet, specifications and distributor information. The best equivalent transistors are the af12x series that are the same piece of. In certain cases, the quoted collector current may be exceeded. Substitute to bc148 transistor electronics forum circuits. Knowing how to substitute an alternate transistor type can speed up your. Articles transistors in vintage radios marks pages home. Jan 19, 2015 discover book depositorys huge selection of transistors books online. Simple circuit stereo audio amplifier with ic lm386. 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. More time is spent figuring out which one to replace and, sometimes, what to replace it with.

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. Bc149 transistor buy, price, datasheet, siliconark. Reference books on integrated circuits, microcontrollers and transistors. Most projects will specify a particular transistor, but if necessary you can usually substitute.