They were created by philips and mullard in 1963 and introduced in april 1966. Transistor equivalent or substitute used for power amplifier. Bc550 npn general purpose transistors 1999 apr 22 product specification supersedes data of 1997 jun 20 philips semiconductors product specification npn general purpose transistors bc549. 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.
Bc550, bc550 datasheet, bc550 npn low noise transistor datasheet, buy bc550 transistor. Npn transistor, bc550, p4w50 plugin component system components in plugin housings with four plugs separated by 50 mm. Bc549, bc550 complement to bc556, bc557, bc558, bc559, and bc560 ordering information part number marking package. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. The gain is not critical at all it is technically a bad circuit as q3 has no biasing. Low noise transistors bc549b,c npn silicon bc550b,c. The problem is that almost everyone is trying to teach that a transistor is a semiconductor device. Transistor sodialr100pcs bc547 to92 npn transistor epitaxial silicon npn transistor. Semiconductor transistor, diode, ic cross reference. Transistors including signal transistors and power types. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn.
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. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from europe, australia and many other countries. Bc550 datasheet28 pages philips npn general purpose.
Smallsignal transistor data book, 86 pages, 1984, motorola. Bc550 datasheet pdf pinout npn silicon transistors. Continental device india limited an isiso 9002 and iecq certified manufacturer npn silicon planar epitaxial transistors bc549, a, b, c bc550, a, b, c to92 plastic package general purpose transistors, best suited for use in driver stages of audio amplifiers, of tape recorders. Home components hardware boards books kits futurlec the electronic components and semiconductor superstore. Applications datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Applications low noise stages in audio frequency equipment. International transistor equivalents guide bernard babani.
Transistor equivalent book 2sc2238 transistor integrated. Low noise input stages, hifi amplifiers, signal processing. Bc559, bc560 complement to bc546, bc547, bc548, bc549, and bc550 ordering information part number marking package. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. We only supply to business customers nonbusiness customers, click here over 8000 products have a question. Jan 19, 2014 bc549bc550 transistor data sheet of philips 1. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european. Bc550 npn general purpose transistors audio design guide.
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. Characteristics datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Spice models for all of the transistors used in the ltspice simulations in the book are available here. Motorola order this document semiconductor technical data by bc549bd low noise transistors npn silicon bc549b,c bc550b,c collector 1 2 base 3 emitter 1 maximum ratings 2 3 rating symbol bc549 bc550 unit case 2904, style 17 collectoremitter voltage vceo 30 45 vdc to92 to226aa collectorbase voltage vcbo 30 50 vdc emitterbase. I have across this circuit across a lot of forums and was just wondering if i could replace bc547 q1 in the circuit with the commonly used 2n2222 npn transistor. Type number package name description version bc549c sc43a plastic singleended leaded through hole package. 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.
Free tools for electronics designers, eagle libraries. The 100p between the microphone and base of the first transistor will not pass any waveform. 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. Semiconductors data sheet book, halfpage m3d186 bc549. 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. Bc556 bc557 bc558 bc559 bc560 pnp epitaxial silicon transistor. If ordered before 12pm super fast delivery limited areas. I have found that manufacturers models are often quite. Bc550 transistor bc549 bc550 equivalent bc550b bc550c bc549.
Apr 05, 2008 it has been very useful for me because it doesnt provide only the nte replacements. And instead of just telling you what it does, they explain that it consists of ndoped and pdoped materials. Initially in metal to18 packages, the range expanded. Npn silicon epitaxial planar transistor, bc550 datasheet, bc550 circuit, bc550 data sheet. Bc559 general purpose pnp transistors universalpnptransistoren ic 1. Bc550 npn general purpose transistors product speci. Bc550 datasheet, bc550 pdf, bc550 pinout, equivalent, replacement npn silicon transistors siemens semiconductor group, schematic, circuit, manual. Choosing transistor replacements electronics notes.
The bc556 to bc560 are the pnp counterparts of the bc546 to bc550. Bc550 datasheet, equivalent, cross reference search. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. It is designed to be used as a generalpurpose amplifier switches requiring collector current of the transistor 500 ma. Npn transistor, bc550, p4w50 1012976 u333084 plugin. Bc550 npn general purpose transistors 1999 apr 22 product specification. Transistor mj15025, to3 case the mj15025 is a power transistor designed for highpower audio, disk head positioners, and other linear applications features.
Bc550 transistors datasheet pdf purpose transistors. May 28, 2014 how transistors work is probably the hardest concept for you to understand as a beginner. Cross reference universal transistor reference page 1. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. Limiting values in accordance with the absolute maximum rating system iec 4. Everyday low prices and free delivery on eligible orders.
Transistor equivalent book 2sc2238 free download as pdf file. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Transistor equivalent to bc212, bc257, 2sb725, nte159 brand. Unit vcbo collectorbase voltage open emitter bc549. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. The assignment of transistor elements b,c,e to leads, i. Technical information fairchild semiconductor bc550 datasheet. Bc549 datasheet, equivalent, cross reference search. Discrete semiconductors data sheet book, halfpage m3d186 bc549. Bc550 cross reference electronic circuits, tv schematics, audio. I have a small circuit which controls the speed of a dc motor as per the ambient temperature.
Symbol vcbo bc549 bc550 vceo collectoremitter voltage bc549 bc550 vebo ic icm ibm ptot tstg tj tamb note 1. 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. Bc550 transistor pinout diagram, equivalent, features, uses. Complementary low voltage transistor stmicroelectronics. Keywords, bc550, datasheet, pdf, blue rocket electronics, silicon, npn, transistor, c550, 550, 50, bc55, bc5, bc, equivalent, stock, pinout. Low noise transistors npn silicon maximum ratings rating symbol bc549 bc550 unit collectoremitter voltage vceo 30 45 vdc collectorbase voltage vcbo 30 50 vdc emitterbase voltage vebo 5. 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 copyright of this bc550 datasheet belongs to fairchild semiconductor and is. Select a replacement transistor with equivalent ft. Transistor sodial100 x transistor npn bc547 45v 100ma. Transistors including small signal transistors, power transistors and mosfet types.
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