Should you find any info that can fill in any of the blanks in the matrix below. Understanding transistor cross reference, equivalent, datasheet and. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Semiconductortransistor crossreference list peavey. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor into the equipment. Semiconductor data book, 11th edition presents tables for ratings and characteristics of transistors and multiple transistors. How to choose a substitute transistor when an exact replacement isnt available. 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 from errors or omission. If you install the wrong polarity, the sandwich wont work. Free transistor circuits books download ebooks online textbooks. Download ic database equivalent guide 100 thousand. How to choose a replacement for a bipolar transistor buy transistors. Free transistor equivalent book transistor bipolar junction.
Secrets of mosfet cross reference and replacement guide. Pmem4020pd pnp transistor schottkydiode module product specication 2003 nov. The archer transistor substitution guide and crossreference listing has been prepared by the, check the entire circuitry to be sure the transistor requires replacement. A substitute transistor must have the same polarity, either pnp or npn, as the original. Now all i need to do is find a good transistor specification handbook, and no doubt, it will likely be a sams book, also. Discrete semiconductors selection guide 2010 products for general applications bene.
Ecg nte replacement ic, diode and transistor service parts. Futurlec is a worldwide supplier of quality electronic components to manufacturers, universities and hobbyists. Crossreference search result equivalent transistors type. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Do not substitute it with a too high or too low ohms value as this will make the mosfet run warmer and eventually blow the mosfet itself. 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. Is there anything available to see if a particular transistor can be replaced with a different one. How to choose a replacement for a bipolar transistor total. Application notes are available within most pdf datasheets.
This sams transistor substitution handbook is a very comprehensive substitution handbook. 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. A lot of people have pointed out, especially when i first proposed the. If the original fet part number is 1 ohm then a good replacement mosfet must have the ohm values between of 0.
Cross reference data provided by on semiconductor product specialists and partminer. This transistor has a low collector capacitance and has excellent gain up to several megacycles. If you need the data book, perhaps you need to click on the photo to visit the website or you may contact the owner first before you place an order because as far as i know this book is no longer in production. With over 4,700 nte devices cross referenced to 384,373 industry device numbers, were sure you will find the item you need. Understanding transistor replacement, substitution and. Ecg transistor replacement guide book free 2sb337 transistor.
You can find transistor specs in data sheets available online. However, formatting rules can vary widely between applications and fields of interest or study. I am relatively new at this so i dont know where to look. Modern japanese transistor data and substitution manual manahar lotia on. Ecg transistor replacement guide book free 2sb337 transistor replacement guide 980510 2n339 c24850772 bc149c 2sb508 s9510 text.
Unfortunately the transistors are no longer available and i can not find any datasheets. Here are two unusual transistor types, marked aei tr1a and tr2a. Arrow is showing the mosfet ohms value in a transistor substituion book. Modern japanese transistor data and substitution manual. Modern japanese transistor data and substitution manual book.
Free transistor equivalent book transistor bipolar. The semiconductor material and the structure of the transistor. Cross reference electronic circuits, tv schematics, audio. The choice of a substitute may be further limited by the mounting facilities, requiring that the basing characteristics be the same as, or similar to, the original. Transistor equivalents for the substitution of modern transistors in elderly projects. Check our section of free ebooks and guides on transistor circuits now. Ecg transistor replacement guide book free datasheet. This html book is designed to provide an easy means of device identification. In this book, many types of transistor data and specification were listed such as the bipolar transistor, silicon controlled rectifier, fet field effect transistor mosfet. Electronic repair transistor cross reference replacement.
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. The part number is printed on transistor like pn 9881 the number 2 inside of a circle 448. It lists well over 3,400 device codes in alphabetical order, together with type numbers, device characteristics or equivalents and pinout information. Ecg semiconductor replacement guide electronics repair and. We offer an extensive range of electronic components including ics, transistors, diodes, leds, potentiometers and relays, all sourced from top quality manufacturers. The information presented in on semiconductors cross. Scribd is the worlds largest social reading and publishing site. Semiconductors transistors, diodes, leds, rectifiers. This transistor is made by taking a wafer of n type germanium, mounting it on a holder and pressing indium dots into each side. Sometimes it is very easy to find out the parameters of a particular transistor as it may be possible to find them on the internet or in a transistor data book.
Most of the transistor substitution book will list out the specification of a particular component such as the type of component, volt, ampere, watt, ohm, frequency and recommended substitution number. Fortuneately, most commonly used discrete transistors are the same ones as we used in the 60s and 70s. We arrange our transistor stock, not by their type number, but by their specifications this makes it easy to go right to the drawers holding good candidates for substitution. The links at left may help you to research your own replacement transistors.
Download book 200 transistor circuits talking electronics. Diodes and transistors pdf 28p this note covers the following topics. If this is not possible, either because the markings are not visible, or the data cannot be found, then not all is lost. Nte has one of the most extensive semiconductor lines in the industry all nte semiconductors are guaranteed to meet or exceed original specifications. Transistor construction techniques the most common type of junction transistor is the pnp diffused alloyed type. Searching for the right mosfet cross reference or datasheet, one has to look for a semiconductor transistor replacement data book and not the philip ecg master replacement guide. Rca transistor thyristor and diode manual sc14 and a great selection of related books, art and collectibles available now at. Motorola bipolar power transistor device data selector guide 25 table 2. Though you can find a replacement from the smaller version of the transistor databook, the ecg master replacement guide provide better information and more reliable specification compare to the normal transistor substitution replacement book. If not, it can usually be obtained from transistor data books.
Ecg semiconductor replacement guide electronics repair. Archer transistor substitution guide radio shack tandy 1972. Data book 12 v1, values may also be indicated by placing the symbol over the letter. When a transistor is unavailable for whatever reason, an equivalent transistor often can be substituted. Toshiba power transistor semiconductor data book 1983. 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. There may be several available plus additional photos, shortform data, and specsheets. Finding transistor replacement can take you hours if you dont know the right method to do it. Zs and zts are both 2pc4081q devices made by philips. Free transistor equivalent book free download as pdf file. 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. 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.
This diagram shows the lead connections for the mullard transistors most often encountered in british transistor radios made in the 1960s viewed from underneath. Uk vintage radio repair and restoration transistor. The second to92 designed transistor was also blown so bad i cant. I removed it and found a few blown to92 designed transistors on the power supply board. Smd databook electronic circuits, tv schematics, audio. 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. See all 3 formats and editions hide other formats and editions. Semiconductor transistor, diode, ic cross reference. T he equivalent circuit for the 3 5, output voltage and current and makes the am p li burrbrown 1c data book 2238 vol. Bipolar transistor crossreference search equivalent. Download ic database equivalent guide 100 thousand components.
Apr 17, 2014 general transistor substitution chart. Pnp silicon epitaxial planar transistor 1 high speed switching. It could be an old stock and it is good if they still selling it because the data inside was very good. About 7 to 10 thousand transistor bars can be cut from each ingot of germanium. From the makers of photofact service documentation, the semiconductor cross reference data book is the most comprehensive guide to semiconductor replacement data. This page contains list of freely available ebooks, online textbooks and tutorials in transistor circuits. Aug 25, 2012 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.
At the maximum voltage, also called a breakdown voltage bv, electrons. I am repairing a power supply and i need to replace a couple of transistors that test bad shorted between all terminals. A click on a product type takes you to the corresponding product information page on the nxp website. Transistor equivalents for the substitution of modern. Modern japanese transistor data and substitution manual paperback february 15, 2003. Nte electronics has released the latest version of their popular cross reference software program, quickcross. Choosing transistor replacements electronics notes. 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. The datasheet archive contains over 100 million electronic component datasheets. With thousands of new parts added, you are now able to cross references over 700,000 industry part numbers. Crossreference search result equivalent transistors. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available.
Smallsignal transistors 47 general purpose bipolar transistors 48 single transistors 48 double transistors 49 single and double switching transistors 49 matched pair transistors 50 high voltage transistors 51 low noise transistors 51 darlington transistors 51 medium frequency transistors 52 schmitt trigger 52 mosfet driver 53. The normal transistor subtitution book only show you the voltage v, current amp and wattage w. Toshiba power transistor semiconductor data book 1983 toshiba corporation 1983 acrobat 7 pdf 52. What is really odd about them, apart from the fact that i cannot find them in any data book and i have a lot of data books on germanium transistors is that they use the blackpainted top hat encapsulation that is unique to early ediswan transistors. Modern japanese transistor data and substitution manual by. 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.
Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. This pdf datasheet is available through the datasheet archive search engine. Understanding transistor replacement, substitution and information is very important for a electronic repairer. Transistor codes surface mount, pnp, npn, choosing. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor i. From experience, the number that the data book suggest are not 100 % correct.
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