Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. Usually when transistor numbers are used with a different prefix it means another manufacturer and possibly an unregistered jedec package. The bc546, bc547, and bc548 are general purpose and very similar to the bc549 the. Semiconductortransistor crossreference list peavey.
This site uses cookies to deliver our services and provide a basic level of website functionality. Understanding transistor cross reference, equivalent. Bc549 npn transistor datasheet pinout complementary pnp. Bc547bbc547csmall signal npn transistorsordering code marking package shipmentbc547b bc547b to92 bulkbc547bap bc547b to92 ammopackbc547c bc547c to92 bulkbc547cap bc547c to92 ammopack silicon epitaxial planar npntransistors to92 package suitable forthroughhole pcb assemblyto92 to92 bc547b the pnp complementarybulk. Introduction is in italian, but most of the book is tables of data with headers in english. There are four variants, the 2sc1815o will have a gain value of 70 to 140 and the 2sc1815y will have 1020 to 240, the 2sc1815gr will have 200 to 400 and the 2sc1815l will. Bc549c, bc550, bc239, se4010, and 2n5210 are some others that also work in the circuit. Bc549c, bc550c low noise transistors npn silicon features these are pb. Transistors irfz44n bc549c transistor bc547 transistor 2n3904 2n3055 equivalent fake 2n3055 mounting kits amplifier chips stk465 stk463 stk4152ii tda2030a tda7052 valvestubes valves number series valve data valve circuits crystals standard quartz crystal values hc49u crystal radio components crystal earpiece crystal radio diode tuning. Become device maker smd code book and marking codes. Pdf a circuit synthesis technique based on network.
In the american family, the 2n5818 is a good and easy choice. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical. Npn epitaxial silicon transistor features switching and amplifier highvoltage. It lists the transistors specifications and any equivalent but not all you can flick through various ranges of transistors and select a suitably specified part. A general purpose npn transistor that can be used to make an alternative version of composite video mod on the spectrum. This transistor is made by taking a wafer of n type germanium, mounting it on a holder and pressing indium dots into each side. This section contains free e books and guides on transistor circuits, some of the resources in this section can be viewed online and some of them can be downloaded. Trusemi bc549c to92 30v npn transistor rapid online. Package vcbmax vcemax vebmax icmax tjmax ptot to92 50v 45v 6v 100ma.
The 2n4403 is a complementary pnp transistor for the 2n4401. Discrete semiconductors data sheet book, halfpage m3d186 bc549. Bc547c datasheet, equivalent, cross reference search. Sams technical publishing has added thousands of new semiconductors to the fifth edition of this book, the most comprehensive cross reference available for engineers, technicians, and all those who work with semiconductors. Semiconductor cross reference book 5th edition by sams technical publishing author 5. Nov 25, 2019 moreover this transistor can also be used as a switch or controlling variety of loads under 100ma.
This book contains no material that appeared in the first book bpi but includes all new transistors and their equivalents that have appeared. Many of the transistors have a huge range of noise so some are low noise and others are very noisy. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. Trusemi bc549c trusemi bc549c to92 30v npn transistor low power transistor with epitaxial planar construction, designed for use in the drive stage of javascript is currently disabled in your browser, please turn it on to avoid loss of functionality. So at this point it depends on what current you intend to put through it. Bc549c datasheet, bc549c pdf, bc549c data sheet, bc549c manual, bc549c pdf, bc549c, datenblatt, electronics bc549c, alldatasheet, free, datasheet, datasheets, data. Aug 05, 2019 bc549c datasheet, equivalent, cross reference search. The noise specs for the transistors are all with different supply voltages, different frequencies, different currents and different source resistances so you cannot directly compare them. The symbol of the transistor has an arrow on the emitter. Transistor equivalent page 3 electronics forum circuits.
Peca comum 15 mmbt3960 2n3960 1a fmmt3904 2n3904 1b bc846b bc546b 2n2222. Licensee agrees that it shall maintain accurate and complete records relating to its activities under section 2. Transistors are one of the basic building blocks of modern electronics. The bc549c is an npn transistor belonging to a group of general purpose npn semiconductors consisting. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor. Choosing transistor replacements electronics notes. Mosfet datasheet tutorial luxury a1w smd transistor. Unit vcbo collectorbase voltage open emitter bc549.
There are four variants, the 2sc1815o will have a gain value of 70 to 140 and the 2sc1815y will have 1020 to 240, the 2sc1815gr will have 200 to 400 and the 2sc1815l will have a gain range from 350 to 700. Soorya pdf book transistor equvalant data book pdf format. The bc549 is a bc547 or bc548 selected for its low noise. Bc549c datasheet, equivalent, cross reference search.
It is one of the must have semiconductor guide for those who love electronic troubleshooting. Bc550c transistor equivalent substitute crossreference search. Low noise transistors bc549b,c npn silicon bc550b,c. A topologydependent expert system for dc design of a selfbiased single transistor stage was developed and tested. Check our section of free e books and guides on transistor circuits now. Bc549 is a low current transistor so the max amount of current that could flow through the collector pin ic is 100ma, so we cannot connect loads that use above 100ma and load voltage above 30volt using this transistor. The figure thats most likely to be relevant when used as a switch is collector current. The gain of the bc549a will be in the range from 110 to 220, bc549b ranges from 200 to 450, bc549c ranges from 420 to 800, bc549cg ranges from 420 to 800. The importance of transistor cross reference, datasheet, equivalent and specification. Datasheet catalog for integrated circuits, diodes, triacs.
When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads. Select a replacement transistor with equivalent ft. The famous transistor cross reference book is the philip ecg semiconductor master replacement guide. All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. Bc549 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 base pin. C550c transistor datasheet pdf storage profilefasr. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Emitter voltage bc549c bc550c vceo 30 45 vdc collector. Jun 25, 2018 dear sir i need smd transistor and diode code book. This page contains list of freely available e books, online textbooks and tutorials in transistor circuits. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon. Bc549c is an npn transistor in a small plastic case. Ive built a deluxe dynacomp, using parts avalible nowdays, the transistors i used were all bc549c with an average gain of about 640, the bc549c is a lownoise npn silicon bipolar transistor, equivalent to a bc109c, according to my transistor data books, they seem to work fine.
This html book is designed to provide an easy means of device. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other. Transistor crossreference guide, listing about 5000 models of transistors by main european and american manufacturers of the time, with asiatic equivalents, if any. Trusemi bc549c trusemi bc549c to92 30v npn transistor low power transistor with epitaxial planar construction, designed for use in the drive stage of. Bc549c bc550c hfe 240 450 330 600 500 900 noise figure ic 200 adc, vce 5.
In the content you can find all kind of electronic components specification and ic schematic too. Elements, devices, and methods for fractal communication. The internet has changed searching for equivalents but i often find the towers book faster as i grew up with it and know many favourite equivalent transistors. The assembly is then heated in a furnace until the indium melts and alloys with germanium forming a p layer within the n type germanium. Motorola small signal transistor data book 1984 search electronics. Using a transistor instead of a simple wire or capacitor provides a stronger signal, usually giving a brighter picture. Type number package name description version bc549c sc43a plastic singleended leaded through hole package. Electrically they would have a similar or better characteristic. Bc549cta bc549c to92 3l ammo bc550cbu bc550c to92 3l bulk bc550cta bc550c to92 3l ammo. 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.
Here is an image showing the pin diagram of the this transistor. Free transistor circuits books download ebooks online. The bc548 is a part of a family of npn and pnp epitaxial silicon transistors that originated with the metalcased bc108 family of transistors. Use 01 amplifier 02 high frequency amplifier 03 high power high frequency amplifier 04 lightsensitive amplifier 05 multiple amplifier 06 high power amplifier 07 switching amplifier 08 multiple switching amplifier 09 high power switching amplifier 10 switching transistor 11 high frequency switching. The tables will assist in the selection of the proper transistor for a. If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output. Free devices maximum ratings rating symbol value unit collector. Can i use a ksp2222a transistor rather than a 2n222a. Rare and ancient equipment dumont audio dumont seven transistor. The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549.
The test case system was implemented in turbo prolog and was run on an xt. The remedies herein are not exclusive, but rather are cumulative and in addition to all other remedies available to on. Moreover this transistor can also be used as a switch or controlling variety of loads under 100ma. Bc549c transistor the bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Functionally, this makes the nchannel jfet the solidstate equivalent of the vacuum. The bc549 transistor might have a current gain anywhere between 110 and 800. You can always remember that the arrow points at the n material. Transistor equivalent 34m770r85o46 documents and ebooks. You can replace the 2n4401 with the 2sc1008, bc537, bc538, kn2222a. It also buffers the spectrums video circuitry so much of the load is taken by this. Bc547bbc547csmall signal npn transistorsordering code marking package shipmentbc547b bc547b to92 bulkbc547bap bc547b to92 ammopackbc547c bc547c to92 bulkbc547cap bc547c to92 ammopack silicon epitaxial planar npntransistors to92 package suitable forthroughhole. This is an npn transistor so the collector and emitter will be on when supply small current to base. Parts from ecg, nte, tce, and radio shack are included along with coverage of all major semiconductor types. The 2sc1815 is a general purpose npn transistor that is commonly used in amplifier applications.
What can i use in the replacement of a bc549 transistor. Bc549c transistor datasheet pdf, bc549c equivalent. It is a low current transistor hence the maximum amount of current that could flow through the collector pin ic is 100ma, hence we cannot connect. 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. Design and application of transistor switching circuits. Find electronic component datasheets, inventory, and prices from hundreds of manufacturers. Bc549c summary of contents page 1 bc549c, bc550c low noise transistors npn silicon features these are pb.
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. This transistor is available in different part numbers and all the part numbers have different current gain value like bc549 current gain value is from 110 to 800, bc549a is from 110 to 220, bc549b is from 200 to 450, bc549c is from 420 to 800. At least 36,000 new types of transistors have been introduced in the last two years and it is because of this that i have prepared this the second book of transistor equivalents and substitutes. Free transistor circuits books download ebooks online textbooks. A voltage or current applied to one pair of the transistors terminals controls the current through.
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