Is there any webbased or stand alone program to do such service for transistors and ics. Heat sinks and fans increase the ability of a transistor to dissipate heat. 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. Mar 21, 2004 years ago there were books for transistor equivalents. C1815 cross reference electronic circuits, tv schematics, audio. Most have a way to say i need a transistor like this. Similarly, when it comes to pch type, the external pulldown resistor is essential. Second book of transistor equivalents bernards and babani press radio books. Should you find any info that can fill in any of the blanks in the matrix below. Other schematic diagrams and service manuals can be downloaded from our free online library on electronics. Transistor amplifiers transistor has 3 legs, one of them is usually grounded. 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. Semiconductor cross reference book engineers of howard w.
Transistor equivalents for the substitution of modern transistors in elderly projects. Diode, transistor and fet circuits manual is a handbook of circuits based on discrete semiconductor components such as diodes, transistors, and fets. Transistor equivalent circuits and models learning objectives general dc equivalent circuit ac equivalent circuit equivalent circuit of a cb amplifier effect of source resistance r s on voltage gain equivalent circuit of a ce amplifier equivalent circuit of a cc amplifier smallsignal lowfrequency model or representation. Semiconductor transistor, diode, ic cross reference. Smallsignal transistors replacement list bc337a bc337 equivalent type bc338 bc337 bc33816 bc33716 bc33825 bc33725 bc33840 bc33740 bc36816 bc63516 bc36825 bc63516 equivalent type bc547a bc546a bc548 bc547 bc548a bc546a bc548b bc547b bc548c bc547c bc549 bc547b bc549b bc547b bc550 bc547b bc550b bc547b bc557a bc556a bc558 bc557 bc558a. Pc max ucb max uce max ueb max ic max ft max cctip pf hfe tj euro equivalent, usa equivalent, ussr equivalent, japan equivalent. Pinball transistor equivalent chart, or how to read. Transistor replacement table for transistor datasheet archive. The stac150v2350e is a high voltage nchannel mos fieldeffect rf power transistor especially designed for 150v industrial rf power class e generators such as pecvd plasma sputtering, flat panel and solar cells manufacturing equipments.
Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Nov 30, 2015 i have looked across the data sheets but are still not certain what the advantage of a s9018 is over saya 2n2222 or the like. It is shown as a diode for the be pn junction and a current source for the ce junction. 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.
Bipolar transistors database contain more than 46000 transistor data npn and pnp transistors. Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Three elements of twojunction transistor are given below. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. The links at left may help you to research your own replacement transistors. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. Apr 28, 2014 download bipolar transistors database for free. Equivalent circuits of transistors, physics tutorial. Free transistor equivalent book transistor bipolar junction.
The 2n3904 is a common npn bipolar junction transistor used for general purpose lowpower. Aug 20, 2016 a transistor equivalent circuit is usually a linear approximation that simplifies circuit analysis of transistor circuit. Vrt comparison table for semiconductors from a to z. Builtin low voltage protection circuit which ensures the onresistance during the power mosfet operation. If this is not possible, either because the markings are not visible, or the data cannot be found, then not all is lost. Does anyone know of a chart anywhere that list some of the common transistors you see in pinball circuit boards and their equivalent from different manufacturers. Transistor equivalents for the substitution of modern. Npn silicon transistors with similar properties are also made in a variety of small. The output characteristics curves for a pnp transistor look very similar to those for an equivalent npn transistor except that they are rotated by 180o to take. Electronics engineering books transistor circuits books diodes and transistors pdf 28p this note covers the following topics. Semiconductortransistor crossreference list peavey. A to5 transistor with a p d of 3 watts might be able to dissipate 810 watts with a heat sink. In certain cases, the quoted collector current may be exceeded. But all this is some ones idea of what a equivalent is.
Internal schematic diagram features high voltage capability low spread of dynamic parameters very high switching speed applications electronic ballast for fluorescent lighting cfl smps for battery charger description. St03 datasheet, equivalent, cross reference search. International transistor equivalents guide bernard babani. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. 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. Electrically similar devices, such as the mmbt3904, are available in a variety of small throughhole and surfacemount packages, including to92, sot23. Ecg transistor replacement guide book free 2sb337 transistor replacement guide 980510 2n339 c24850772 bc149c 2sb508 s9510.
Select a replacement transistor with equivalent ft. Transistors are nonlinear devices but all circuit analysis is premised on the circuit elements being linear so this causes. Suitable for lighting, switching regulator and motor control absolute maximum ratings description symbol value vcbo 600 collector base voltage vceo 400 collector emitter sus voltage vebo 9. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose.
Or, point me to an article that explains transistor specifications and how to read them. Bipolar transistors database contain more than 46000 transistor. Maximum power, called p d, is the overall power a transistor can dissipate, through heat, without burning up. This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. Overall number of data sheets in free reference books we offer is over 20,000. Free package of programs to work with pdf and djvu files can be downloaded here. The book also includes diagrams and practical circuits. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor. Everyday low prices and free delivery on eligible orders. The external resistors set an operating bias on the base to the transistor and limit current from the ac signal. 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. St03n high voltage fastswitching npn power transistor features high voltage capability low spread of dynamic parameters very high switching speed application 3 2 compact fluorescent lamps cfls 1 sot32 description the device is manufactured using high voltage multi epitaxial planar technology for high switching speeds and. Choosing transistor replacements electronics notes. Material struct pc w vcb v vce v veb v ic a tj c ft mhz cc pf hfe.
Does anyone know where the site is that you type in a transistor and get a list of equivalent transistor. 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. How to choose a replacement for a bipolar transistor crossreference search result equivalent transistors type. Bipolar transistor crossreference search equivalent. Cross reference universal transistor reference page 1. 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. High voltage fastswitching npn power transistor datasheet production data figure 1. Hi all, i realise this is a long shot but im trying to repair a circuit board that switches 12v soleniods, it does a lot more besides but i had a short on one soleniod which in turn burnt out what i assume to be a 0. Datasheet search engine for electronic components and semiconductors. Smallsignal transistor data book, 86 pages, 1984, motorola. Download ic database equivalent guide 100 thousand. If someone could tell me in simple terms what make the s9018 better for an amplifier oscillator i would appreciate it.
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