Bfy51 transistor equivalent book

Substitute with the correct part number, the equipment will work for a long time and sometimes the substitute transistor will even work better than the original part number. All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. The pinouts are different but they can be made to fit existing circuits by bending the legs. At the maximum voltage, also called a breakdown voltage bv, electrons. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. These are the names of the packages and not the transistor part numbers. Static equivalent circuits of npn and pnp transistors. Book this book does not require a rating on the quality scale. Transistor substitution desoldering and replacing a transistor takes very little time. Transistor equivalent book 2sc2238 free download as pdf file. Electronics club transistors types, connecting, soldering.

Bfy50 datasheet, equivalent, cross reference search. Transistor equivalent book pdf free download by corfikome. Cross reference universal transistor reference page 1. A bipolar transistor allows a small current injected at one of its terminals to control a much larger current flowing between two other terminals, making the device. Should you find any info that can fill in any of the blanks in the matrix below. It consists of two bipolar transistors, an npn transistor, q1, and a pnp transistor, q2. Select a replacement transistor with equivalent ft. A substitute transistor must have the same polarity, either pnp or npn, as the original. Javascript is currently disabled in your browser, please turn it on to avoid loss of functionality. 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. Mar 27, 2015 hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors.

Transistor transistors for beginners in electronics. C735 transistor c638 transistor c756 transistor c644 transistor transistor c495 pnp transistor 2n2222 equivalent transistor c735 c637 transistor transistor c633 text. Continental device india limited an isots 16949, iso 9001 and iso 14001 certified company silicon planar transistors bfy50, bfy51, bfy52 to39 metal can package general purpose transistors. Transistors substitutionsequivalents all about circuits. Choosing transistor replacements electronics notes. Bfy51 cross reference electronic circuits, tv schematics, audio. Obsolete transistor equivalents all about circuits. Understanding transistor replacement, substitution and. Vrt comparison table for semiconductors from a to z edition. Older transistors such bfy51 may sometimes be difficult to obtain but 2n3053 is a good substitute i. Applications datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors.

Wikipedia books can also be tagged by the banners of any relevant wikiprojects with classbook. Use a multimeter or a simple tester battery, resistor and led to check each pair of leads for conduction. Applications general purpose industrial applications. Most projects will specify a particular transistor, but if necessary you can usually substitute. Bfy51 datasheet, bfy51 pdf, bfy51 data sheet, bfy51 manual, bfy51 pdf, bfy51, datenblatt, electronics bfy51, alldatasheet, free, datasheet, datasheets, data sheet. Bc548b is a another, lower power, equivalent with a to92 plastic case but many others exist and can be found in transistor equivalents tables. 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. More time is spent figuring out which one to replace and, sometimes, what to replace it with. Transistor equivalents for the substitution of modern. Directions for determining the thermal resistance rths for cooling fins can be found on page 11. Cross reference electronic circuits, tv schematics, audio.

Check our section of free e books and guides on transistor circuits now. Pinning pin description 1 emitter 2 base 3 collector, connected. Wikipedia books are maintained by the wikipedia community, particularly wikiproject wikipedia books. The bigger the package is, the more power the transistor can handle. I during 80s and 90s, i used to search for components equivalents in books. Home components hardware boards books kits futurlec the electronic components and semiconductor superstore. Bridgold 20pcs tip120 to220 npn darlington bipolar power transistor, 5a 60v hfe.

This databook contains datasheets covering the range of discrete devices for small signal consumer. Npn transistor 2n2222,three pins 2n2222 npn transistor to92 npn transistor assortment ki 2n2222a,20 pcs. Semiconductor transistor, diode, ic cross reference. 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. International transistor equivalents guide bernard babani. But you could look in a catalogue for a silicon npn transistor with a voltage rating greater than 25 volts and a current capacity greater than 100 milliamps and a gain greater than 100 and the pinout sequence ebc and perhaps ft greater than 100mhz. Most of the graphs in the book have been changed, the remainder will. Internal schematic diagram november 1997 absolute maximum ratings symbol parameter value unit bfy50 bfy51 vcbo collectorbase voltage ie 0 80 60 v vceo collectoremitter voltage.

Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor into the equipment. Weve got a frys close to my work, but i dont find for example tip122 or tip36c when i do a search. They match specification of the originals almost exactly. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Transistor equivalents for the substitution of modern transistors in elderly projects. This is a wikipedia book, a collection of articles which can be downloaded electronically or ordered in print. Everyday low prices and free delivery on eligible orders. Transistors for fast and ultrafast switches in to18. Bfy51 cross reference electronic circuits, tv schematics. Pinball transistor equivalent chart, or how to read. Transistor equivalent book 2sc2238 transistor integrated circuit. Original transistor type original alternative type modern substitute alternative substitute.

This page contains list of freely available e books, online textbooks and tutorials in transistor circuits. The bfy50 and bfy52 are silicon planar epitaxial npn transistors in jedec to39 metal case. The importance of transistor cross reference, datasheet, equivalent and specification. They are intended for general purpose linear and switching applications.

Nte is a company that specializes in cross referenced parts. 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. Understanding transistor cross reference, equivalent. A bipolar junction transistor bipolar transistor or bjt is a type of transistor that uses both electrons and holes as charge carriers. See all 2 formats and editions hide other formats and editions. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Rating hfe at collector current bs type commercial case min. Transistor cross reference, equivalent and specification is very important for every electronic repairer the importance of transistor cross reference, datasheet, equivalent and specification.

The operation of the device is best explained by considering the equivalent circuit, shown in figure 5. Cdil bfy51 cdil bfy51 transistor npn 30v 1a to39 medium power transistor suitable for general purpose applications. Is there any webbased or stand alone program to do such service for transistors and ics. A bfy51 transistor is an npn negativepositivenegative bipolar transistor. Bfy51, bfy51 npn medium power transistor, buy bfy51 transistor. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor. 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 next most important parameter is possible ft the effective maximum operating frequency although the transistor is of no use at that frequency. 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. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. It is used in a wide range of electronic equipment especially used as an audio signal amplifier and drivers using complimentary or quasi complimentary circuits. I just entered transistor without quotes in the search box at the top level, then clicked on transistors bjt single,797 items and it took me to the transistor search page above. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books.

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. Vrt comparison table for semiconductors from a to z. Understanding transistor replacement, substitution and information is very important for a electronic repairer. Knowing how to substitute an alternate transistor type can speed up your. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Lowfrequency general purpose transistors will be transferred to sc3 later in 1979. 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. The bc548b and bc639 are low cost alternatives to the bc108 and bfy512n3053 respectively. 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. Free transistor circuits books download ebooks online. Bjts use two junctions between two semiconductor types, ntype and ptype. Semiconductor cross reference book paperback july, 1996.

First book of transistor equivalents american radio history. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor i. Finding transistor replacement can take you hours if you dont know the right method to do it. Comments number equivalent, 150 200 j bs9300 c722 bfy50 t05 npn 80 35 6 30 100 150 50 bs9300 c723 bfy51 t05. Set a digital multimeter to diode test and an analogue multimeter to a low resistance range. A zener diode is inevitably formed by each of the transistor s np or pn junctions, and the transistor is thus in static terms equal to a pair of reverseconnected zener diodes wired between the collector and emitter terminals, with the base terminal wired to their common point. Transistor codes surface mount, pnp, npn, choosing. If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. The operation and use of transistors is covered by the transistor circuits page.

Can anyone please suggest a substitute for the bfy51 transistor. Cdil bfy51 transistor npn 30v 1a to39 rapid online. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. The links at left may help you to research your own replacement transistors. The data sheet is very important for every engineers and technicians because it can help them to find the nearest replacement for the components that they are. 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. Bfy51, bfy51 datasheet, bfy51 npn general purpose transistor datasheet, buy bfy51 transistor. If you install the wrong polarity, the sandwich wont work. The original transistor might need special ordering, or be discontinued and unavailable. The transistor has three regions of different conductivity with two npn junctions. You can buy a special tool, but a standard crocodile clip without a plastic cover works just as well and is cheaper. Test each pair of leads both ways six tests in total the baseemitter be junction should behave like a diode and conduct one way only the basecollector bc junction should behave like a. Bd5 transistor medium power silicon npn transistor. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation.

Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and. Unipolar transistors, such as fieldeffect transistors, use only one kind of charge carrier. With out knowing what and ware your are using it, you should choose a similar part. Dodgy ebay replacements are available but im aware that this is not necessarily the best route to go down.

This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. Bfy52 datasheet, equivalent, cross reference search. Transistors can be damaged by heat when soldering so if you are not an expert it is wise to use a heat sink clipped to the lead between the joint and the transistor body. Does anyone have any information on quality equivalents for these transistors. Bd5 transistor is a bipolar, mediumpower, plastic npn transistor made up of silicon. Bfy52 datasheet28 pages philips npn medium power transistors. Or, point me to an article that explains transistor specifications and how to read them. Is there anything available to see if a particular transistor can be replaced with a different one. Bfy51 datasheet, equivalent, cross reference search. Transistors can be packaged in many different packages, some examples are shown below. Javascript is currently disabled in your browser, please turn it.