Jan 17, 2012 any transistor will work in that circuit for q1. Applications low noise stages in audio frequency equipment. Low noise transistors bc549b,c npn silicon bc550b,c. May 28, 2014 how transistors work is probably the hardest concept for you to understand as a beginner. Bc550 datasheet, bc550 pdf, bc550 pinout, equivalent, replacement npn general purpose transistors nxp, schematic, circuit, manual. They are particularly designed for audio amplifiers and switching applications 1 a.
Bc550, bc550 datasheet, bc550 npn low noise transistor datasheet, buy bc550 transistor. 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. The amount of current flowing from base to the emitter controls the amount of the current flowing through the collector. Type number package name description version bc549c sc43a plastic singleended leaded through hole package. Rca type 2n59963 is an epitaxial silicon npn planar transistor featuring, individual ballast resistance in each of the. What im attempting to create is my own transistor logic rs232 rs232 refers to the serial. Bc547 npn transistor complementary pnp, replacement.
Bc550 cross reference electronic circuits, tv schematics, audio. Lownoise bc550 npn epitaxial silicon transistor features switching and amplifier highvoltage. Npn silicon epitaxial planar transistor, bc550 datasheet, bc550 circuit, bc550 data sheet. The gain is not critical at all it is technically a bad circuit as q3 has no biasing.
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. Discrete semiconductors data sheet book, halfpage m3d186 bc549. Characteristics tamb 25 c unless otherwise specified. This is where a pnp transistor differs from a npn transistor, a logic state blue colour is used to toggle between ground and signal voltage. Initially in metal to18 packages, the range expanded. Problem is, i cant find a bc148 transistor and im looking for a substitute. International transistor equivalents guide bernard babani. Semiconductor transistor, diode, ic cross reference.
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. Unit vcbo collectorbase voltage open emitter bc549. Mhz emitterballasted overlay transistor silicon npn device for 12. Bc140 general purpose transistors description the bc140 and bc141 are silicon planar epitaxial npn transistors in to39 metal case.
The circuit is the same except the one i used just connected the led across the transistor instead of rectifying and filtering the output. Bc547 cross reference electronic circuits, tv schematics, audio. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics booksarticles from europe, australia and many other countries. I decided to use ksp2222a to replace the bc548, and mpsh10 for the bf494. Bc337, bc33725, bc33740 amplifier transistors npn silicon features these are pb. The bc556 to bc560 are the pnp counterparts of the bc546 to bc550, respectively. How transistors work is probably the hardest concept for you to understand as a beginner.
And instead of just telling you what it does, they explain that it consists of ndoped and pdoped materials. Can you guys help me find out the transistors that can. Bc550 npn general purpose transistors product speci. The 100p between the microphone and base of the first transistor will not pass any waveform. The problem is that almost everyone is trying to teach that a transistor is a semiconductor device. The complementary pnp transistor to the bc547 is the bc557. Characteristics datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. They were created by philips and mullard in 1963 and introduced in april 1966. Bc549xbk general purpose siepitaxial planar transistors npn npn siepitaxial planartransistoren fur universellen einsatz version 20091203 0. Bc549, bc550 complement to bc556, bc557, bc558, bc559, and bc560 ordering information part number marking package. The purpose of the cross refererce guide is to assist you in searching for a part on our linecard by the manufacturer which is similar in function to products of other companies. Smallsignal transistors replacement list jc558 jc558b jc559a jc559 equivalent type jc559b jc558b jc559c jc558b. Bc550 cross reference electronic circuits, tv schematics.
Bc549 datasheet, equivalent, cross reference search. Transistor equivalent book 2sc2238 free download as pdf file. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by adrian michaels isbn. Smallsignal transistor data book, 86 pages, 1984, motorola. Bc550c datasheet, equivalent, cross reference search. Is there a transistor comparison chart or database to be. They also use a high current, low power, small signal transistor, in this case the 2sc2500. Bc557 is a pnp transistor hence the collector and emitter will be closed forward biased when the base pin is held at ground and will be opened.
Bc550 datasheet pdf pinout npn silicon transistors. 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. Transistor equivalents for the substitution of modern transistors in elderly projects. Select a replacement transistor with equivalent ft. Transistor equivalents for the substitution of modern. 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. Bc546b datasheet, equivalent, cross reference search. Mcigicm transistor kit, bc337 bc327 2n2222 2n2907 2n3904 2n3906 s8050 s8550 20pcs bc337 npn transistor to92 45v 800ma 625mw. 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. 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. Transistor equivalent or substitute used for power amplifier. Bcw60a bcw60b, bcw60c, bcw60d equivalent type bcw61a bcw61b, bcw61c, bcw61d equivalent type bcw81 bc847c bcx20 bcx19.
Hilitchi 675piece 15 values 2n2222s9018 npn pnp power general purpose elegoo electronics component basic starter kit wprecision potentiometer. 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. 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. Cross reference universal transistor reference page 1. Vbe decreases by about 2 mvk with increasing temperature.
Bc550 datasheet, bc550 pdf, bc550 pinout, equivalent, replacement npn silicon transistors siemens semiconductor group, schematic, circuit, manual. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. However, i seem to often come out with odd choices. Bc550 npn transistor complementary pnp, replacement. Jan 19, 2014 bc549bc550 transistor data sheet of philips 1. When picking a transistor, i usually start with my suppliers catalogue and search and refine according to the specs i am most interested in. Symbol vcbo bc549 bc550 vceo collectoremitter voltage bc549 bc550 vebo ic icm ibm ptot tstg tj tamb note 1. Should you find any info that can fill in any of the blanks in the matrix below. Youll be notified as soon as this item is back in stock. 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. Pnp npn transistors kit, ltvystore silicon power transistor assorted assortment box set bc327, bc337, bc517, bc547, bc548, bc549, bc550, bc556, bc557, bc558,pack of 300 4. I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering.
Nte cross reference guide enter the manufacturer part number of your semiconductors into the form below to locate a compatible nte replacement. Free devices maximum ratings rating symbol value unit collector. 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. Bc550 datasheet, bc550 pdf, bc550 data sheet, bc550 manual, bc550 pdf, bc550, datenblatt, electronics bc550, alldatasheet, free, datasheet, datasheets, data sheet. Transistor equivalent book 2sc2238 transistor integrated. Choosing transistor replacements electronics notes.
This group of npn transistors share many specifications and characteristic curves, but differ in voltage ratings the bc546 and bc547 are essentially the same as the bc548 but selected with higher breakdown voltages, while the bc549 is a low noise version, and the bc550 is both highvoltage and lownoise. Apr 01, 2009 hello everybody, im currently taking electrical engineering as senior physics major at fordham university and have decided to take on a little side project to gain a better understanding. Limiting values in accordance with the absolute maximum rating system iec 4. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. The complementary pnp transistor to the bc550 is the bc560. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon. The links at left may help you to research your own replacement transistors. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. 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. Everyday low prices and free delivery on eligible orders. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. Absolute maximum ratings ta25c unless otherwise noted. Bc550 datasheet pdf pinout npn general purpose transistors. Bc550 datasheet28 pages philips npn general purpose.
The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. Low noise input stages, hifi amplifiers, signal processing. Youll be notified as soon as this item is on special or. 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. Small signal transistors industry standard st nearest st. Bc550 npn general purpose transistors book, halfpage. Applications datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The complementary pnp types are the bc160 and bc161 symbol. Equivalent of bc559 are bc558,and bc179 metal case complement is bc549. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. Bc550 datasheet, equivalent, cross reference search. Bc550 bc547b bc550b bc547b bc550c bc547c bc557 bc557b bc557a bc557b bc557b bc557b bc557c bc557b bc558 bc557b bc558a bc557b bc558b bc557b bc558c bc557b bc559 bc557b bc559a bc557b bc559b bc557b bc559c bc557b 1 different pin out 2 similar package 3 medium power transistor industry standard st nearest st replacement industry standard st. Buy products related to bc547 transistor products and see what customers say about bc547 transistor products on free delivery possible on eligible purchases. Smd equivalent the smd versions of the bc550 are available as the bc847 sot23, bc847w sot323, bc850 sot23 and bc850w sot323.
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