C1923 transistor equivalent software

Mar 27, 2015 hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors. Understanding transistor replacement, substitution and. Cross reference universal transistor reference page 1. Transistor equivalents for the substitution of modern transistors in elderly projects. Bjts have 3 terminals and come in two varieties, as npn and pnp transistors. C1923 datasheet, c1923 pdf, c1923 data sheet, datasheet, data sheet, pdf. Transistors peter mathys ecen 1400 transistor families there are two major families of transistors. Looking for equivalent transistor electrical engineering.

The simplest biasing applies a basebias resistor between the base and a base battery vbb. This is why i want to share this chart i have found online which shows you. 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. Apr 28, 2014 download bipolar transistors database for free.

This software is freeware and may be used commercially and privately for free. Hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors. Finding transistor replacement can take you hours if you dont know the right method to do it. It is a document that collects parts electronic components, subsystems such as power supply, the performance, characteristics such as software. Download ic database equivalent guide 100 thousand. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor. Apr 17, 2014 general transistor substitution chart most common.

Should you find any info that can fill in any of the blanks in the matrix below. A transistor like the pn2222 that has 500 ma continuous 1 a peak spec is common for this application. Semiconductortransistor crossreference list peavey. 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. Nov 30, 2015 transistor gain drops with increasing frequency. 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 operation is quite simple and is separated by categories such as. Or, point me to an article that explains transistor specifications and how to read them. Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and. In general, the datasheet is made from the manufacturer. It is convenient to use the existing vcc supply instead of a new bias supply. Aug, 2011 a transistor like the pn2222 that has 500 ma continuous 1 a peak spec is common for this application. 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 to106. Download transistoramp software for the design of transistor. Two polarities is abbreviated as bipolar, hence the name bipolar junction transistor.

Sav24 k192a transistor c1923 c1923 transistor k161 jfet fet k241 k161 mosfet c1923 transistor base c2498 transistor text. Just a work of caution, many of the transistor equivalent documents and software packages have shortcomings and i am afraid to say that in many cases they have proved to be wrong. 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. Identifying the terminals of a transistor requires the pin diagram of a particular bjt part, it will be available in the datasheet. At the maximum voltage, also called a breakdown voltage bv, electrons.

A substitute transistor must have the same polarity, either pnp or npn, as the original. Join date jun 2005 posts 240 helped 45 45 points 4,206 level 15. 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. Dodgy ebay replacements are available but im aware that this is not necessarily the best route to go down. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Bf199, bf494, 2n4001, 2n4003, mpsa18 and there are all i have. Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Directions for determining the thermal resistance rths for cooling fins can be found on page 11.

Smallsignal transistors replacement list bc86816 bc868, bc86825 equivalent type bc876 bc878 bc880 bc878 equivalent type bc877 bc879 bcf29 bc857 bcf30 bc857b bcf33 bc847b bcf81 bc847c bcp5110 bcp5310 bcp5210 bcp5310 bcp52 bcp53 bcp5410 bcp5510 bcp6810 bcp68, bcp6825 bcp6816 bcp68, bcp6825. If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. Diodes and transistors pdf 28p this note covers the following topics. The links at left may help you to research your own replacement transistors. Understanding transistor cross reference, equivalent. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. Bipolar transistors database bipolar transistors database contain more than 46000 transistor data npn and pnp transistors. A lot of people have pointed out, especially when i first proposed the idea of this blog on forums, that the idea of listing pedals by the transistors they used is redundant.

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. Pc max ucb max uce max ueb max ic max ft max cctip pf hfe tj euro equivalent, usa equivalent, ussr equivalent, japan equivalent. N stands for ntype material and p stands for ptype material. Transistor equivalent electronics forum circuits, projects. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Choosing transistor replacements electronics notes. 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. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor. 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. 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. 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.

Transistor cross reference, equivalent and specification is very important for every electronic repairer the importance of transistor cross reference, datasheet, equivalent and specification. 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. Bjt is a three terminal device with collector c, base b and emitter e. An example of an audio amplifier stage using basebiasing is crystal radio with one transistor. World transistor equivalents data az by eca author 4. No responsibility is assumed by toshiba for, license is granted by implication or otherwise under any patent or patent rights of toshiba or others. Obviously, amplifiers and oscillators should operate somewhat below this frequency. 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. 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 first bipolar junction transistor was invented in 1947 at bell laboratories. Pinball transistor equivalent chart, or how to read. Understanding transistor replacement, substitution and information is very important for a electronic repairer.

Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. Original transistor type original alternative type modern substitute alternative substitute. If you install the wrong polarity, the sandwich wont work. I am searching something can replace these transistors. Select a replacement transistor with equivalent ft. Transistor equivalents for the substitution of modern. Obsolete transistor equivalents all about circuits. Cross reference electronic circuits, tv schematics, audio. See all formats and editions hide other formats and editions. Oct 24, 2015 i am searching something can replace these transistors.