Transistor substitution database software bipolar transistors database v. Transistor substitution database software free download. Youll learn to identify a transistor, understand the information described in a transistor datasheet, and learn the symbols used to identify the type of tra. The base current i b must be limited to prevent the transistor being damaged and a resistor may be connected in series with the base transistors have a maximum collector current ic rating. In essence, it describes the amplifying power of the transistor. This type of operation is achieved by appropriately biasing the two internal pn junctions. The apidictor was designed in the early 1950s and contained three types of transistor, each of which could be of two specified types, but none of these are in general supply as of the early 2000s.
Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle. The archer transistor substitution guide and crossreference listing has been prepared by the, check the entire circuitry to be sure the transistor requires replacement. Approximately 170,000 fujitsu people support customers in more than 100 countries. Transistor cross reference replacement and guide is very important for every engineers and technicians because the data that you found in this guide can help you to find the exact replacement for the components that you are looking for such as transistor, fet, ic, diode, zener diode and etc. Transistor codes surface mount, pnp, npn, choosing. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. Numerous and frequentlyupdated resource results are available from this search. Recent listings manufacturer directory get instant.
It provides ease of use, flexibility in format, and industrystandard security and all at no cost to you. Understanding transistor replacement, substitution and. If, for some reason, you cant get an exact replacement for the transistor that you want to replace, you can refer to one of the transistor substitution guides or book, and try to identify a near replacement. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Allieds handbook of transistor fundamentals author. Any new issue of this data book, or individual product data sheets, invalidate previous issues. All the substitution books i have seen have been highly unreliable. 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. If you are finding the complete basic transistor notes pdf then you are at right place. You can also identify the polarity npn or pnp of an unknown device using this test. For electronic circuit design, selecting the right transistor will need several of the transistor parameters to match the requirements for the. Please email the details so that i can update them in and thus help everyone else.
Transistor specifications explained electronics notes. In this website, we already cover almost all topics related to transistor if like to read it then simply go to the transistor category section and read all articles related to the transistor. Is there any webbased or stand alone program to do such service for transistors and ics. A click on a product type takes you to the corresponding product information page on the nxp website. The current gain h fe can vary widely, even for transistors of the same type a transistor that is full on with r ce 0 is said to be saturated when a transistor is saturated. The configuration shown above is called an npn transistor. You can always remember that the arrow points at the n material. At the maximum voltage, also called a breakdown voltage bv, electrons.
In order to do this you will need to be able to identify the emitter, base, and collector leads of the transistor. The most basic kind is called a bipolar transistor. They contain information on transistor characteristics and operation. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Understanding transistor replacement, substitution and information is very important for a electronic repairer. Emitter, collector and base in its essence, a transistor consists of two diodes arranged back to back. Mouser is an authorized distributor for many transistor manufacturers including diodes inc. Transistor is an three layer pnp or npn semiconductor device with two junctions. If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output. Replacement devices index at the back of the book to see if there is a replacement part. Irf520p to220 nchannel power mosfet rf final and en369dr companion part. Transistor equivalents for the substitution of modern.
A transistor consists of two pn junctions is formed by sandwiching either a ptype or ntype semiconductor between a pair of ntypes or ptypes semiconductors respectively. Transistor manufacturers issue specification sheets for their transistors which are typically found on the internet, although years ago engineers used to study data books to find out the information. A substitute transistor must have the same polarity, either pnp or npn, as the original. There are crack groups who work hard in order to unlock software, games, etc. The transistor is considered to be one of the most important inventions of the 20 th century because of its abundant use in most. The two clamps touched, and i instantly smelled electrical burn. Electronic repair transistor cross reference replacement. Data book 12 v1, values may also be indicated by placing the symbol over the letter. Cross reference electronic circuits, tv schematics, audio. Open library is an initiative of the internet archive, a 501c3 nonprofit, building a digital library of internet sites and other cultural artifacts in digital form. Refer to a semiconductor data reference manual if you are not sure of the lead iden.
This sams transistor substitution handbook is a very comprehensive substitution handbook. Check our section of free ebooks and guides on transistor circuits now. Depending on the application and type of the original transistor, the basic areas of concern are the voltage, power, current, switching speed and amplification characteristics of the substitute. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor. Pc max ucb max uce max ueb max ic max ft max cctip pf hfe tj euro equivalent, usa equivalent, ussr equivalent, japan equivalen. Another variety of transistor, called a fieldeffect transistor fet, has become extremely popular in recent years, especially as the building blocks for integrated circuits also known as ics. The original transistor might need special ordering, or be discontinued and unavailable.
The first highfrequency transistor was the surfacebarrier germanium transistor developed by philco in 1953, capable of operating up to 60 mhz. 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 have three connecting leads and in operation an electrical input to one pair of connections, say the emitter and base connections can control the output from another pair, say the collector and emitter connections. Stmicroelectronics smd marking code transistor smd marking. When attempting a transistor substitution, the operational and physical characteristics of the transistors should be carefully compared. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. Diodes and transistors pdf 28p this note covers the following topics. More time is spent figuring out which one to replace and, sometimes, what to replace it with. Data for 00, 04, 10, and 30 nand gates for several ttl families abstracted from texas instruments ttl data book. Crossreference search result equivalent transistors type. The ones that are the most significant include the gain, dissipation and the maximum ratings.
Choosing transistor replacements electronics notes. You can find transistor specs in data sheets available online. In this tutorial well introduce you to the basics of the most common transistor around. Transistors substitutionsequivalents all about circuits.
Finding transistor replacement can take you hours if you dont know the right method to do it. Bipolar transistor crossreference search equivalent. Fortuneately, most commonly used discrete transistors are the same ones as we used in the 60s and 70s. Crack in this context means the action of removing the copy protection from software or to unlock features from a demo or timelimited trial. 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. Dec 03, 2010 open library is an open, editable library catalog, building towards a web page for every book ever published.
Free transistor circuits books download ebooks online textbooks. An exception to this rule are data on collector current. Transistor substitution desoldering and replacing a transistor takes very little time. This page was stalled, pending the finding of more complete data, but an english gent, george hurley, now living in new zealand, has provided all the missing information. Fieldeffect transistors can be made much smaller than bipolar transistors, and. Apr 16, 2010 i accidently knocked over my car battery charger while charging a 6v battery. If you install the wrong polarity, the sandwich wont work. Here we share with you the basics of transistor pdf. 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. Derivation and tabulation associates, 1979 transistors. The collector current, quoted as one of the critical transistor values, is a maximum value recommended by the manufacturer which should be noted in connection with the other characteristics valid for this collector current e. What is a transistor when a third doped element is added to a crystal diode in such a way that two pn junctions are formed, the resulting device is known as a transistor. Semiconductor transistor, diode, ic cross reference.
Should you find any info that can fill in any of the blanks in the matrix below. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor i. This page contains list of freely available ebooks, online textbooks and tutorials in transistor circuits. Transistortransistor logic 8 manufacturers data sheets the terminal specifications of several ttl families are shown in figure 9. Pdf output was produced using pdf995 by software995. When batteries and resistors are connected to a pnp transistor.
The terminal on the left is called the emitter, the terminal on the right is. Transistor working, construction, application, types d. If you search for transistor substitution database 2. Transistor equivalents for the substitution of modern transistors in elderly projects. Transistor datasheet, transistor pdf, transistor data sheet, datasheet, data sheet, pdf home all manufacturers by category part name, description or manufacturer contain. Download transistor data book pdf free shared files from downloadjoy and other worlds most popular shared hosts. Discrete semiconductors selection guide 2010 products for general applications bene. Ecg transistor replacement guide book free 2sb337 transistor replacement guide 980510 2n339 c24850772 bc149c 2sb508 s9510 text. The humble transistor q1 emitter e collector c base b transistor basics emitter to base junction is forward biased normally collector to base junction is reverse biased normally transistors are current operated devices, so. 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. Pdf995 makes it easy and affordable to create professionalquality documents in the popular pdf file format. Theyre critical as a control source in just about every modern circuit. Which cmos transistor is suitable for power amplification ranging form 7mhz 9mhz. 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.
Discrete semiconductors data sheet book, halfpage m3d100 bd5. Is there anything available to see if a particular transistor can be replaced with a different one. Im pretty sure the power transistor got fried, the board around its pin is brown, and i see a white spot near the middle post. The sy89222l is functionally equivalent to the sy100elt22l but in an ultrasmall 8lead mlf package that features. Now all i need to do is find a good transistor specification handbook, and no doubt, it will likely be a sams book, also. Jameco transistor kit 560 piece transistor component kit. The symbol of the transistor has an arrow on the emitter. Bd9 npn power transistors 1999 apr 12 product specification.
Transistor substitution database software semi select v. Toshiba power transistor semiconductor data book 1983 toshiba corporation 1983 acrobat 7 pdf 52. Semiconductortransistor crossreference list peavey. Technical information on transistors may be found on their packages, on the data sheets from the manufacturer, and in some electronics textbooks or handbooks.
Transistor substitution data book datasheet, cross reference, circuit and. Transistor substitution data book max1771 telefunken asic max440 equivalent max4005 max761 pinforpin compatible wsl2512r025 laser diode mosfet triggering circuit max306. A voltage or current applied to one pair of the transistors terminals controls the current through another pair of terminals. The pdf995 suite of products pdf995, pdfedit995, and signature995 is a complete solution for your document publishing needs. Fujitsu data book 1 corporate data corporate data fujitsu is the leading japanese information and communication technology ict company offering a full range of technology products, solutions and services. These were made by etching depressions into an ntype germanium base from both sides with jets of indiumiii sulfate until it was a few tenthousandths of an inch thick. Bench power supply using lm317t and opamp lm301an keeps burning pass transistor and voltage drops under load. Toshiba power transistor semiconductor data book 1983. 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. Apr 17, 2014 general transistor substitution chart most common.
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