Cross reference electronic circuits, tv schematics, audio. Bc546b, bc547a, b, c, bc548b, c amplifier transistors. Discrete semiconductors data sheet book, halfpage m3d186 bc546. They are consistent in terms of tolerance, and they are small enough i can make a ttl alu within a 2in. I have use bc547 for a project water level indicator. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to. Bc547, bc547 datasheet, bc547 npn general purpose transistor datasheet, buy bc547 transistor. Apr 11, 2018 what is bc and 547 in bc547 transistor knowledge chip.
Bc557 is a widely used pnp bipolar junction transistor manufactured in small to92 package. Smallsignal transistor data book, 86 pages, 1984, motorola. Electrical engineering news and products electronics engineering resources, articles, forums, tear down videos and technical electronics howtos. The transistor is a solid state equivalent of a triode valve which was used in radio and early computers. Thus the bc548 or bc546 to 550 is a valid substitute in any circuit designed for. The year 547 bc was a year of the prejulian roman calendar. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor.
This looks like the ubiquitous to18 package as used by the bc108 and similar but with a forth lead for the screen. The bc546 transistor might have a current gain anywhere between 110 and 800. In the roman empire, it was known as year 207 ab urbe condita. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other.
It is designed to be used as a generalpurpose amplifier switches requiring collector current of the transistor 500 ma. 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 base pin. Bjt transistor type is used for discussion on working operation, applications etc. These transistors are on the smaller side, but are still very work able. It is a general purpose pnp transistor that can be used as a switch or amplifier in electronic circuits. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. The best equivalent transistors are the af12x series that are the same piece of germanium, but mounted in a to72 case. You can replace bc 547 with 2n2222, 2n3904, 2n4401, bc337. You can always remember that the arrow points at the n material. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pb.
Best sellers help new releases gift ideas gift cards home books sell. Bc547 transistor introduction the world of electronic parts and. Electronic repair transistor cross reference replacement. It depends on exactly what the function of the transistor is, but heaps of transistors will substitute for it in a great many situations. General purpose transistors technical data and comparison tables.
Today, i am going to give an introduction to bc547. Bc847bc547 series 45 v, 100 ma npn generalpurpose transistors rev. Texas instruments highperformance analog description. The most popular transistor cross reference replacement guide is the philip ecg semiconductor master replacement guide. This wont be a problem so long as you are aware of the difference, and refer to the datasheet of the part you are using when wiring up the circuit. Continental device india limited an isots 16949, iso 9001 and iso 14001 certified company bc549,a. Transistor sodialr100pcs bc547 to92 npn transistor epitaxial silicon npn transistor.
A transistor is basically an elctronic switch capable of toggling small electrical loads like leds or relays, in response to external triggers. Suitable for afdriver stages and low power output stages complement to bc337bc338. The one thing you should watch out for is to make sure the substitute has the correct pinouts or else make accommodations for the. Bc547 datasheet, bc547 pdf, bc547 data sheet, bc547 manual, bc547 pdf, bc547, datenblatt, electronics bc547, alldatasheet, free, datasheet, datasheets, data sheet. Can you guys help me find out the transistors that can. Diodes and transistors pdf 28p this note covers the following topics. After comparing the spec sheets online and doing a little bit of googling, i found that pnp transistor 2n3906s characteristics and specs seem to fit pretty well with bc559 and bc548 fits fairly well with 2n3904s. A2, august 2002 bc546547548 549550 npn epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted. The bc547 transistors have such a wide range in current gain that bc337 transistors can replace them and some circuits will work well and others wont, the same as if bc547 transistors were used. In the content you can find out all sort of the components specification. Parameters and characteristics r cross reference equivalent table transistors, scr, ic 2n2955 2n2955 to3 2n3055 2n3055 to3 2n3417 2n3417 to92 2n3704 2n3704 to92 2n3772 2n3772 to3 2n3773 2n3773.
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. Bc547 is a general purpose bjt npn transistor mostly used in electronics hobbyists and educational electronics projects. Bc547 npn transistor, buy it online in hyderabad and with shipping across. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor. If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. Bc546bp datasheet, equivalent, cross reference search. The bc547 was called a tun, a transistor, universal, npn, in other words an everyday common jellybean transistor. Substitute to bc148 transistor electronics forum circuits. Problem is, i cant find a bc148 transistor and im looking for a substitute. Buy products related to bc547 transistor products and see what customers say about bc547 transistor. Product overview type number1 package pnp complement nxp jeita jedec. I hope you all will be absolutely fine and having fun. Buy products related to bc547 transistor products and see what customers say about bc547 transistor products on free delivery possible on eligible purchases.
What is the difference between bc547 and 2n2222a transistor. Free transistor circuits books download ebooks online. Bc 547 a bc547 transistor is a negativepositivenegative npn transistor that is used for many purposes. Bc557 transistor pinout, equivalent, uses, features. Bc547 npn transistor complementary pnp, replacement. The bc547 is categorized as designed for use as general purpose amplifiers and switches requiring collector currents to 300 ma. It has all similar characteristics including pin to pin compatibility and other major electrical characteristics as evident from the datasheets of the transistors. Some equivalent transistors have the opposite pinout e,b,c and some are b,c,e. 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. Bc547c datasheet, bc547c pdf, bc547c data sheet, bc547c manual, bc547c pdf, bc547c, datenblatt, electronics bc547c, alldatasheet, free, datasheet, datasheets, data.
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. A tip127 is a high voltage pnp power darlington transistor that is completely different from the npn bc337 transistor. Semiconductor transistor, diode, ic cross reference. Besides these uses it can also be used in commercial circuits. The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549.
Npn generalpurpose transistors in small plastic packages. Npn general purpose transistors, especially suited for use in driver stages of audio. Bc 547 the bc547 rm0384 is an npn epitaxial silicon transistor. Bc547 datasheet, equivalent, cross reference search. It is basically an npn bipolar junction transistor bjt. Choosing transistor replacements electronics notes. Bc549 datasheet, equivalent, cross reference search. These controls are done by appropriately configuring its three leads in conjunction with other basic electronic parts like resistors and leds or relays. A transistor, stands for transfer of resistance, is commonly used to amplify current. 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. The symbol of the transistor has an arrow on the emitter. 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. Free packages are available maximum ratings rating symbol value unit collector emitter voltage bc546 bc547 bc548 vceo 65 45 30 vdc collector base voltage bc546 bc547 bc548 vcbo 80 50 30 vdc emitter base voltage vebo 6.
Bc547 npn general purpose transistors 1999 apr 15 product specification supersedes data of 1997 mar 04 philips semiconductors product specification npn general purpose transistors bc546. Bc547 cross reference electronic circuits, tv schematics. The s8050 is categorized as a low voltage high current small signal npn transistor, designed for class b push. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european. Bc 547 pack of 5 a bc547 transistor is a negativepositivenegative npn tr. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon. You can see the internal diagram of that particular components, pin out, voltage, replacement, block diagram and the components layout. Select a replacement transistor with equivalent ft. 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. 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. Bc547c datasheet, equivalent, cross reference search.
I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. As prathamesh satardekar has said, 2n2222 is as good as any. Bc547 is a npn transistor hence the collector and emitter will be left open when the base pin is held at ground. The transistor terminals require a fixed dc voltage to operate in the desired region of its characteristic curves.
These are excellent transistors for repair work and tinkering. Bc547 has a gain value of 110 to 800, this value determines the amplification capacity of the transistor. Design and application of transistor switching circuits. 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. Bc547 transistor pinout, equivalent, uses, features. It mentions transistor advantages or benefits and transistor disadvantages or drawbacks. A transistor is normally used for amplification of current. Transistor equivalent book pdf free download by corfikome. If ordered before 12pm super fast delivery limited areas.
There are many books and online resources that describe transistors but here is a very brief note. Basic semiconductor physics, diodes, the nonlinear diode model, load line analysis, large signal diode models, offset diode model, transistors, large signal bjt model, load line analysis, small signal model and transistor amplification. Bc547 is a general bjt npn transistor, which is mainly used for electronic. Or many other similar transistors, if the gain is not too high. Is there any webbased or stand alone program to do such service for transistors and ics. The pin configuration of some transistors is different from bc547 so check pin configuration before replacing in a circuit. This page contains list of freely available e books, online textbooks and. Bc547 npn transistor free shipping on order subtotal over rs. Figure 5b shows an amplifier connection of the ota, the equivalent of a commonemitter transistor, transistor. Transistor codes surface mount, pnp, npn, choosing. Bc547 bc547a bc547b bc547c npn general purpose amplifier. The 2n3904 is a small signal generalpurpose npn transistor.
Bc546 npn transistor complementary pnp, replacement. Bc546 datasheet, equivalent, cross reference search. Motorola smallsignal transistors, fets and diodes device data 1 npn silicon maximum ratings rating symbol bc 546 bc 547 bc 548 unit collectoremitter voltage vceo 65 45 30 vdc collectorbase voltage vcbo 80 50 30 vdc emitterbase voltage vebo 6. So, the basic purpose of transistor is transfer of resistance. The gain of the bc546a will be in the range from 110 to 220, bc546b ranges from 200 to 450, bc546c ranges from 420 to 800. It is one of the lowestcost general purpose transistors currently available on the market, and compares well with the bc range of npn transistors. Bc547 npn general purpose transistors 1999 apr 15 product. Can a lightning detectors transistors be substituted with bc547 or 2n3904. It comes in to92 packaging and the maximum output current this transistor can handle is 100ma. Bc546, bc547, bc548, bc549, bc550 are npn switching and amplifier transistors with low noise and working at high voltage. My problem is i couldnt find the two transistors, npn bc548 and pnp bc559 at any of my nearby radio shacks.
Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. This transistor is also available in a throughthehole to92 bulk, and ammopack versions. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. Jun 19, 2017 today, i am going to give an introduction to bc547. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. The denomination 547 bc for this year has been used since the early medieval period, when the anno domini calendar era became the prevalent method in europe for naming years. For amplification applications, the transistor is biased such that it is partly on for all input conditions. Advantages of transistor disadvantages of transistor. Bc807 bc808 bc817 bc818 bc846 bc847 bc848 bc849 bc850 bc856 transistors bc337 transistor equivalent bc337 hie hre hfe equivalent transistor bc547 bc547 sot 23 transistor bc337 hie bc547 equivalent bc327 equivalent bc338 equivalent bc547 sot23.