When picking a transistor, i usually start with my suppliers catalogue and search and refine according to the specs i am most interested in. They are par ticularly designed for audio amplifiers and switching applications up to 1 a. Npn silicon transistors, bc1406 datasheet, bc1406 circuit, bc1406 data sheet. They are particularly designed for audio amplifiers and switching applications 1 a. 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. Text in other languages may differ dimensions whd incl.
Lownoise transistor, bd140 datasheet, bd140 circuit, bd140 data sheet. We have many circuits below, simpleone transistor to a difference 3 transistors projects. Bc140 datasheet general purpose transistors digchip. If you install the wrong polarity, the sandwich wont work. Low noise transistors bc549b,c npn silicon bc550b,c maximum ratings rating symbol bc549 bc550 unit collectoremitter voltage vceo 30 45 vdc collectorbase voltage vcbo 30 50 vdc emitterbase voltage vebo 5. Bc140, 141 npn medium power transistors page 2 310505 v1. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Is there a transistor comparison chart or database to be. Discrete semiconductors data sheet dbook, halfpage m3d bc bc pnp general purpose transistors book, halfpage m3d. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Finding a replacement for your bipolar transistor tech. Npn silicon transistors, bc140 6 datasheet, bc140 6 circuit, bc140 6 data sheet. With out knowing what and ware your are using it, you should choose a similar part.
Disclaimer this data sheet and its contents the information belong to the. Can general purpose transistors like 2n3904, 2n4401, bc547, 2n2222, etc. Bc140 bc141 general purpose transistors description the bc140 and bc141 are silicon planar epitaxial npn transistors in to39 metal case. Bc141 equivalent transistor bc140 bc141 bc160 bc161 bc140 bc141 text. A, i c 0 7 collector cut off current i ces v ce 60v, v be 0 100 na v ce 60v, v be. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. The original transistor might need special ordering, or be discontinued and unavailable. A bc108 transistor is an npn negativepositivenegative bipolar transistor. Transistor substitution desoldering and replacing a transistor takes very little time. Complementary low voltage transistor stmicroelectronics. They are particularly designed foraudio amplifiers andswitching applications up to 1 a. The datasheetarchive datasheet search engine author. Nte is a company that specializes in cross referenced parts. 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. Suitable for applications requiring low noise and good hfe linearity, eg. Bc140 general purpose transistors description the bc140 and bc141 are silicon planar epitaxial npn transistors in to39 metal case. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Second book of transistor equivalents american radio history. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Bc140 datasheet, equivalent, cross reference search. Bc1406 datasheet, equivalent, cross reference search. Motorola semiconductor technical data switching transistor npn silicon collector 3 2 base 1, time c copt c0 figure 3. When a bjt conducts current between its collector and emitter, it will dissipate power. Transistor equivalent or substitute used for power amplifier.
This need was provided for in my first book of transistor. Cross reference universal transistor reference page 1. Npn medium power transistor parameter symbol test condition min. An npn transistor receives positive voltage at the collector terminal. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Transistors for fast and ultrafast switches in to18. 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.
Bc547 is a npn transistor hence the collector and emitter will be left open reverse biased when the base pin is held at ground and will be closed forward biased when a signal is provided to. The pnp equivalent is the complimentary transistor, which is the bc557. Bc datasheet, bc npn small signal transistor datasheet, buy bc transistor. The complimentary transistor is very useful for symmetrical pushpull amplifier circuits. A substitute transistor must have the same polarity, either pnp or npn, as the original.
This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. Its an npn transistor rated for 500ma, 50v and with a hfe gain between 20 and 300, typically 80 at 0. 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. For example i recently needed an npn for basic switching of a 200ma current using an mcu, and ended up picking a. 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. Bc140 equivalent datasheet, cross reference, circuit and application notes in pdf format. Bc140 bc141 january 1989 general purpose transistors the bc140 and bc141 are silicon planar epitaxial npn transistors in to39metal case.
Is there any webbased or stand alone program to do such service for transistors and ics. Mar 11, 2008 its an npn transistor rated for 500ma, 50v and with a hfe gain between 20 and 300, typically 80 at 0. 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. See all 2 formats and editions hide other formats and editions. A, v be 0 bc140 16 bc14116 80 100v v ceo i c 30ma, i b 0 bc140 16 bc14116 40 60 emitter base voltage v ebo i e 100. Lownoise bernard babani publishing radio and electronics books by michaels, adrian isbn. As discussed a transistor will act as an open switch during forward bias and as a closed switch during reverse bias, this biasing can be achieved by supplying the required amount of current to the base pin. If its just switching, then its much less important to get an exact equivalent and even something like a bc337 would probably do. Bc140 80 v bc141 100 v vceo collectoremitter voltage open base bc140 40 v bc141 60 v icm peak collector current 1. I found a perfect simple circuit schematic which ive attached below, and ive purchased the breadboard, soldering iron and all. A, v be 0 bc14016 bc14116 80 100v v ceo i c 30ma, i b 0 bc14016 bc14116 40 60 emitter base voltage v ebo i e 100.
The complementary pnp types are the bc160 and bc161 symbol. It must be realised by all users of transistors, that it is impossible to guarantee absolute equivalents. The complementary pnp typesare the bc160 and bc161. Pinning pin description 1 emitter 2 base 3 collector fig. Alternatively equivalent s to these transistors would help. More time is spent figuring out which one to replace and, sometimes, what to replace it with. Transistor bc140 datasheet, cross reference, circuit and application notes in pdf format. I during 80s and 90s, i used to search for components equivalents in books. Bjt power rating is the maximum amount of power that a device can dissipate in a typical operating environment. 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. This is identical in every respect to the npn type, except that it is a pnp type. At the maximum voltage, also called a breakdown voltage bv, electrons. Everyday low prices and free delivery on eligible orders. Absolute maximum ratings value symbol parameter bc140 bc141 unit.
Semiconductor cross reference book paperback july, 1996. Bc547 cross reference electronic circuits, tv schematics. Bc series types are small signal npn silicon transistors, manufactured by. Bc327 cross reference electronic circuits, tv schematics, audio. Aug 27, 2010 post the link my guess is the description is from someone that isnt a native english speaker a remote control is distinguished from a local control the local controls are physically located on the tv and must be operated in close proximity of the tv, i. How to choose a replacement for a bipolar transistor total. International transistor equivalents guide bernard babani. Information source collector info sammler ktt 196970, tvt 197980 eca. A pnp transistor receives positive voltage at the emitter terminal.
Bc multicomp, bipolar bjt single transistor, general. Semiconductor transistor, diode, ic cross reference. Bc140 equivalent 2n3053 equivalent bcy71 bs bs9365 bs9302 bfs36a bfs36 baw63a 2n930. Npn silicon planarepitaxial transistor for general purposes. Alternatively equivalents to these transistors would help. Transistor equivalent to bc212, bc257, 2sb725, nte159 brand. However, i seem to often come out with odd choices. Bc327 cross reference electronic circuits, tv schematics.
Oct 26, 2017 bc557 transistor as switch when a transistor is used as a switch it is operated in the saturation and cutoff region as explained above. Matching transistor pairs are available with 5% and 10% matching on hfe or hfe. Bc549 datasheet, equivalent, cross reference search. Complementary low voltage transistor features products are preselected in dc current gain application general purpose description these epitaxial planar transistors are mounted in the sot32 plastic package. The complementary pnp types are the bc160 and bc161. What im attempting to create is my own transistor logic rs232 rs232 refers to the serial com1 port on computers. Transistor npn bc datasheet, cross reference, circuit and application notes in pdf format. Bc140 npn transistor complementary pnp, replacement, pinout, pin.
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