Everyday low prices and free delivery on eligible orders. Choosing transistor replacements electronics notes. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Should you find any info that can fill in any of the blanks in the matrix below. Transistor basics a transistor, also known as a bjt bipolar junction transistor, is a current driven semiconductor device which can be used to control the flow of electric current in which a small amount of current in the base lead controls a larger current between the collector and emitter in the case of an npn type.
A substitute transistor must have the same polarity, either pnp or npn, as the original. International transistor equivalents guide bernard babani. Transistor equivalent c945 may be insufficient information to determine an accurate replacement device. 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 transistor, diode, ic cross reference. 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. There are 64 suppliers who sells c458 transistor on, mainly located in asia. The id printed on components can be misleading, and is sometimes a shortened version of all the info needed for an accurate crossreference. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Bc549bp transistor datasheet pdf, bc549bp equivalent. The importance of transistor cross reference, datasheet, equivalent and specification. Mar 10, 2009 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. Is there any webbased or stand alone program to do such service for transistors and ics. These were made by etching depressions into an ntype germanium base from both sides with jets of indiumiii sulfate until it was a few tenthousandths of an inch thick.
A wide variety of c458 transistor options are available to you, such as ceramic capacitor, super capacitor. Semiconductortransistor crossreference list peavey. The first highfrequency transistor was the surfacebarrier germanium transistor developed by philco in 1953, capable of operating up to 60 mhz. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Select a replacement transistor with equivalent ft. Bcw 65, bcw66 npn transistors for af driver stages and switching applications bcw 65 and bcw 66 are epitaxial npn silicon planar transistors in a plastic package 23 a 3 din 41 869 s ot23 for use in. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers.
Transistor equivalents for the substitution of modern. C5885 datasheet vcbo1500v, npn transistor panasonic. At the maximum voltage, also called a breakdown voltage bv, electrons. C458 datasheet, c458 pdf, c458 data sheet, datasheet, data sheet, pdf. But its diminutive stature just makes it feel like more of a triumph considering the league in which id place it. Transistor is a smaller, more tightly framed experience than any of those games.
If you install the wrong polarity, the sandwich wont work. Understanding transistor cross reference, equivalent. 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. Finding a replacement for your bipolar transistor tech tips. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Semiconductor cross reference book paperback july, 1996. You have clicked a page that seems to be very popular. Com is the biggest online electronic component datasheets search engine. C458 datasheet pdf, c458 pdf datasheet, equivalent, schematic, c458 datasheets, c458 wiki, transistor, cross reference, pdf download,free search site, pinout.
Npn c458 c458 npn transistor transistor c460 transistor c461 c458 transistor transistors c458 c460 transistor c458 c459 text. 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. It is notably often the first type of bipolar transistor hobbyists encounter and is often featured in designs in hobby electronics magazines where a generalpurpose transistor is required. 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. Germanium transistors will have a forward baseemitter bias voltage of 0. Looking for equivalent transistor electrical engineering. These were made by etching depressions into an ntype germanium base from both sides with jets of indiumiii sulfate. World transistor equivalents data az by eca author 4. The next most important parameter is possible ft the effective maximum operating frequency although the transistor is of no use at that frequency. If you cant search it here, nowhere else in the world. Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers.
Cross reference electronic circuits, tv schematics, audio. Transistor equivalents for the substitution of modern transistors in elderly projects. 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. Directions for determining the thermal resistance rths for cooling fins can be found on page 11. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. 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. C828 transistor transistor c828 c828 transistors c458 transistor transistors c458 c828 transistor c945 p c458 c828 text. How to choose a replacement for a bipolar transistor alltransistors. I during 80s and 90s, i used to search for components equivalents in books. 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.
Com datasheet search site for electronic components and semiconductors and other semiconductors. C5885 datasheet vcbo1500v, npn transistor panasonic, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet. Cross reference universal transistor reference page 1. If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. 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. It is notably often the first type of bipolar transistor hobbyists encounter and is often featured in designs in hobby electronics magazines where. Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and. Free transistor equivalent book transistor bipolar junction. The top countries of supplier is china, from which the percentage of c458 transistor supply is 100% respectively. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Nte is a company that specializes in cross referenced parts. There are many bipolar transistors, and most of them have many analogues, which are similar in their parameters, so that the search for the replacement usually. Transistors substitutionsequivalents all about circuits.574 1489 800 1373 1185 1403 1319 1386 449 54 94 105 263 79 704 167 890 1047 793 1278 1095 1183 470 8 588 403 1375 898 1179 1403 89 1415 65 901 723 147 1438 1271 597 662 162