Com is the biggest online electronic component datasheets search engine. May 04, 2016 d1554 datasheet vcbo1500v, npn transistor toshiba, 2sd1554 datasheet, d1554 pdf, d1554 pinout, d1554 equivalent, d1554 data, circuit, d1554 schematic. Pls i need transistor equivalent of ztx300 and 2n3705. At the maximum voltage, also called a breakdown voltage bv, electrons. C1815 cross reference electronic circuits, tv schematics. I am searching for a pnp transistor which will be having almost same like the 2sd880 or 2sd882 npn transistor. Select a replacement transistor with equivalent ft. Identifying the terminals of a transistor requires the pin diagram of a particular bjt part, it will be available in the datasheet. As discussed before, the voltage a circuit receives from a source depends on its input impedance as well as the internal impedance of the source, while the voltage it delivers depends on its output impedance as well as the load impedance. If you want to run automatically the next time add a. Should you find any info that can fill in any of the blanks in the matrix below. Original transistor type original alternative type modern substitute alternative substitute. C1815 cross reference electronic circuits, tv schematics, audio.
Toshiba transistor silicon pnp epitaxial type pct process 2sc1959 audio frequency low power amplifier applications driver stage amplifier applications switching applications excellent hfe linearity. C1959 2sc1959 components datasheet pdf data sheet free from datasheet4u. Two polarities is abbreviated as bipolar, hence the name bipolar junction transistor. I am searching something can replace these transistors. A transistor is a three terminal semiconductor device that regulates current or voltage flow and acts as a switch or gate for signals. The first bipolar junction transistor was invented in 1947 at bell laboratories.
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 transistor also acts as a switch to choose between available options. Transistor reference software, compiled so the user can substitute transistors that perform the same, despite their different part numbers. The invention of the first transistor in 1947 led to the expectation of a new. But 8050 and 8550 seem by fit to make pushpull amplifer. 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. Pinball transistor equivalent chart, or how to read. A transistors acts as an amplifier when operating in active region.
Understanding transistor cross reference, equivalent. Or, point me to an article that explains transistor specifications and how to read them. It is therefore important to consider these input and output impedances of an amplification circuit as well as its voltage gain. The gain of the 2sc1959o will be in the range from 70 to 140, 2sc1959y ranges from 120 to 240, 2sc1959gr ranges from 200 to 400. 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. Cross reference electronic circuits, tv schematics, audio.
Hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors. Classification of hfe productrank 2sc1959o 2sc1959y 2sc1959gr hfe1 70140 120240 200400 range hfe2 25 min 40 min marking absolute maximum ratings ta25c unless otherwise specified. World transistor equivalents data az by eca author 4. Previous 1 2 when a transistor is used as a switch it is operated in the saturation and cutoff region as explained above. Download ic database equivalent guide 100 thousand. Mar 27, 2015 hi, im currently repairing an amp with 2sb688a and 2sc5179 npn pnp complementary pair output transistors. Sep 01, 2019 a transistor datasheet pdf, a equivalent. Bipolar transistors database bipolar transistors database contain more than 46000 transistor data npn and pnp transistors. Join date jun 2005 posts 240 helped 45 45 points 4,206 level 15. How to choose a replacement for a bipolar transistor total. Now weve got to come up with a model for the entire device that we can put in an electrical circuit for design and analysis.
If you install the wrong polarity, the sandwich wont work. An avalanche transistor is a bipolar junction transistor designed for operation in the region of its. All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor. He was named a member of the center for advanced study of the university in 1959. Continental device india limited an isots 16949, iso 9001 and iso 14001 certified company npn silicon planar transistor 2n3019 2n3020 to39 metal can package general transistor absolute maximum ratings description symbol value unit collector emitter voltage vceo 80 v collector base voltage vcbo 140 v emitter base voltage vebo 7.
Finally, in late 1947, the bell laboratories research team of john. Transistor equivalent electronics forum circuits, projects. Datasheet contains the design specifications for product. Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and. Apr 21, 2019 the bd, bd and bd are silicon epitaxial planar npn transistors in jedec sot plastic package, designed for audio amplifiers and drivers utilizing. Transistors are nonlinear devices but all circuit analysis is premised on the circuit elements being linear so this causes.
Apr 28, 2014 download bipolar transistors database for free. 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. Dodgy ebay replacements are available but im aware that this is not necessarily the best route to go down. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Upon the effective date of termination of this agreement, all licenses granted to licensee hereunder shall terminate and licensee shall cease all use, copying, modification and distribution of the content and shall promptly either destroy or return to on semiconductor all copies of the content in licensees possession or under licensees. Need an equivalent pnp to 2sd882 read 5057 times previous topic next topic. Need an equivalent pnp to 2sd882 arduino forum index. Directions for determining the thermal resistance rths for cooling fins can be found on page 11. Choosing transistor replacements electronics notes. Cross reference universal transistor reference page 1. 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. Transistor equivalent list 8ch pnp darlington transistor array pnp octal darlington transistor arrays equivalent transistor 2sk td62783 equivalent 2sk1078 td62783 pnp darlington transistor array td62504 equivalent text.
A transistor equivalent circuit is usually a linear approximation that simplifies circuit analysis of transistor circuit. A substitute transistor must have the same polarity, either pnp or npn, as the original. 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. Apr 24, 2019 2sc transistor datasheet pdf, 2sc equivalent.
Pc max ucb max uce max ueb max ic max ft max cctip pf hfe tj euro equivalent, usa equivalent, ussr equivalent, japan equivalent. Bf199, bf494, 2n4001, 2n4003, mpsa18 and there are all i have. Does anyone have any information on quality equivalents for these transistors. A transistor acts as an amplifier, where the signal strength has to be increased. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. The bd, bd and bd are silicon epitaxial planar npn transistors in jedec sot plastic package, designed for audio amplifiers and drivers utilizing. Toshiba transistor silicon pnp epitaxial type pct process.
If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. Bjt equivalent circuit models ok, weve got the terminal currents defined in terms of our gain constants and each other. Bipolar transistors database contain more than 46000 transistor data npn and pnp transistors. 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. Identifying the terminals of a transistor requires the pin diagram of a particular bjt part, it. Transistor cross reference, equivalent and specification is very important for every electronic repairer the importance of transistor cross reference, datasheet, equivalent and specification. Approaching the age of space exploration, 1948 1959 hbc. By 1959, ge germanium transistors no longer used the pinchedtop case style, as illustrated by the spec sheet above. Audio frequency low power amplifier applications, driver stage. C1959 2sc1959 components datasheet pdf data sheet free from. Bipolar transistors database contain more than 46000 transistor.
The 2sc1959 transistor might have a current gain anywhere between 70 and 400. It should be said that the 2n parts and bc parts mentioned do not have the same numbers on their data sheets but, fact is, one day i ran out of one or the other of the bc parts and i needed to fix something with a ba amplifier in it right then and there so i thought about what other dtaasheet to5 output pairs existed. Crosses are made according to maximum ratings and electrical characteristics, approximately. A transistor is a semiconductor device with at least three terminals for connection to an electric. Am radios as early as 1952, but their performance was well below that of equivalent battery tube models. If you cant search it here, nowhere else in the world. Semiconductor transistor, diode, ic cross reference. Many companies started to look for a lowpower alternative. D1554 datasheet vcbo1500v, npn transistor toshiba, 2sd1554 datasheet, d1554 pdf, d1554 pinout, d1554 equivalent, d1554 data, circuit, d1554 schematic.
This data sheet program is a simple and easy to use database for to. 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. Looking for equivalent transistor electrical engineering. The next most important parameter is possible ft the effective maximum operating frequency although the transistor is of no use at that frequency. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Weve got a frys close to my work, but i dont find for example tip122 or tip36c when i do a search. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Bjt is a three terminal device with collector c, base b and emitter e. 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. 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. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Programs home education ethics international affairs public. Moreover, many software use this simplified picture, and it is easier. 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.