Transistor equivalents for the substitution of modern transistors in elderly projects. Cross reference electronic circuits, tv schematics, audio. Download ic database equivalent guide 100 thousand. See all 2 formats and editions hide other formats and editions. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose. Wikipedia books can also be tagged by the banners of any relevant wikiprojects with classbook. A966 datasheet, a966 pdf, a966 data sheet, datasheet, data sheet, pdf. 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. Build simple transistor circuits homemade circuit projects. Simple transistor circuits for new hobbyists many simple transistor configurations like, rain alarm, delay timer, set reset latch, crystal tester, light sensitive switch and many more have been discussed in this article. More time is spent figuring out which one to replace and, sometimes, what to replace it with. I during 80s and 90s, i used to search for components equivalents in books. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers.
Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. Smallsignal transistor data book, 86 pages, 1984, motorola. Everyday low prices and free delivery on eligible orders. This is a wikipedia book, a collection of articles which can be downloaded electronically or ordered in print. Pdf s11743 s16308 ch1218 ua317 fairchild dtl catalog free transistor equivalent book 2sc lm741 ma725hm ma339pc ma7805km ua759 gi 9640 diod ma46pc. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. A940 datasheet, equivalent, cross reference search. Is there anything available to see if a particular transistor can be replaced with a different one. Knowing how to substitute an alternate transistor type can speed up your. Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. Nov 30, 2015 transistor gain drops with increasing frequency. The links at left may help you to research your own replacement transistors.
If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. It is shown as a diode for the be pn junction and a current source for the ce junction. Fairchild dtl catalog free transistor equivalent book 2sc lm741 ma725hm ma339pc ma7805km ua759 gi 9640 diod ma46pc text. Diodes and transistors pdf 28p this note covers the following topics. Looking for equivalent transistor electrical engineering. Datasheet search engine for electronic components and semiconductors. 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. C unless specified otherwise description symbol value.
The importance of transistor cross reference, datasheet, equivalent and specification. Vrt comparison table for semiconductors from a to z edition. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. The original transistor might need special ordering, or be discontinued and unavailable. Understanding transistor cross reference, equivalent.
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. Transistor equivalents for the substitution of modern. Wikipedia books are maintained by the wikipedia community, particularly wikiproject wikipedia books. A966 datasheet, equivalent, cross reference search. Transistor cross reference, equivalent and specification is very important for every electronic repairer the importance of transistor cross reference, datasheet, equivalent and specification. A datasheet, a pdf, a data sheet, datasheet, eatasheet sheet, pdf.
Download book 200 transistor circuits talking electronics. World transistor equivalents data az by eca author 4. 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. The transistor equivalent circuit can now be evolved with the twopole formulae for the transistor fundamental circuit in fig. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34.
Alternatively equivalents to these transistors would help. At the maximum voltage, also called a breakdown voltage bv, electrons. Semiconductor transistor, diode, ic cross reference. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor into the equipment. Obviously, amplifiers and oscillators should operate somewhat below this frequency. Original transistor type original alternative type modern substitute alternative substitute. Finding transistor replacement can take you hours if you dont know the right method to do it. 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. 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. A daatasheet, cross reference, circuit and application notes in pdf format. 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.
Cross reference universal transistor reference page 1. Choosing transistor replacements electronics notes. 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. Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and.
Nte is a company that specializes in cross referenced parts. Continental device india limited an isots 16949, iso 9001 and iso 14001 certified company pnp silicon planar epitaxial transistor csa966 to92 plastic package complementary csc2236 audio power amplifier applications absolute maximum ratings ta25. Is there any webbased or stand alone program to do such service for transistors and ics. Continental device india limited an isots 16949, iso 9001 and iso 14001 certified company to220 plastic package csa940, csc2073 csa940 pnp plastic power transistor csc2073 npn plastic power transistor power amplifier applications and vertical output applications pin configuration 4 1. Download ic database equivalent guide 100 thousand components. Semiconductor cross reference book paperback july, 1996. Select a replacement transistor with equivalent ft. If you install the wrong polarity, the sandwich wont work.
Vrt comparison table for semiconductors from a to z. 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. International transistor equivalents guide bernard babani. 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. H669a datasheet npn silicon transistor, h669a pdf, h669a pinout, h669a equivalent, data, h669a circuit, h669a output, ic, h669a schematic, h669a manual. The external resistors set an operating bias on the base to the transistor and limit current from the ac signal. Book this book does not require a rating on the quality scale. The bc548 is an example of the modern lowcost member of this family, still in a throughhole package, while the bc848 is the surfacemount version. Should you find any info that can fill in any of the blanks in the matrix below.
Understanding transistor replacement, substitution and. Toshiba transistor silicon pnp epitaxial type pct process. A966 transistor a966 a966 transistor datasheet a966, transistor 2sa966 a966 y 2sc2236 text. A966 datasheet pnp transistor toshiba, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet. Look for something an npn transistor might be called an rf transistor, of course with similar or somewhat higher ft, similar or somewhat lower cob, and hfe in the same range to make it more likely it oscillates, and similar or somewhat higher pd, vceo, and ic to make sure it doesnt burn out package is up to you whether you want to try to duplicate it or not that one. All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. Transistor substitution desoldering and replacing a transistor takes very little time. Look for something an npn transistor might be called an rf transistor, of course with similar or somewhat higher ft, similar or somewhat lower cob, and hfe in the same range to make it more likely it oscillates, and similar or somewhat higher pd, vceo, and ic to make sure it doesnt burn out. Therefore, it is important to refer to the datasheet for the exact part number and. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor i. Directions for determining the thermal resistance rths for cooling fins can be found on page 11. A substitute transistor must have the same polarity, either pnp or npn, as the original.
It is designed to operate bipolar stepper motors in full half quarter and eighth step modes, with output drive. Toshiba transistor silicon pnp epitaxial type pct process 2sa966 audio power amplifier applications complementary to 2sc2236 and 3w output applications. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Understanding transistor replacement, substitution and information is very important for a electronic repairer. A733 pnp epitaxial silicon transistor elite enterprises h.