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 cross reference electronic circuits, tv schematics. Bc 547 the bc547 rm0384 is an npn epitaxial silicon transistor. Jun 19, 2017 today, i am going to give an introduction to bc547. Some instructables i watched used 2n3904 transistor whereas a few used bc547.
A2, august 2002 bc546547548549550 npn epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted. Apr 11, 2018 plzzzzz subscribe to my youtube channel. Bc546b, bc547a, b, c, bc548b, c amplifier transistors. This is identical in every respect to the npn type, except that it is a pnp type. Discrete semiconductors data sheet book, halfpage m3d186 bc546. For amplification applications, the transistor is biased such that it is partly on for all input conditions.
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. 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. It is basically an npn bipolar junction transistor bjt. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor. Transistor codes surface mount, pnp, npn, choosing. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pb. Semiconductor transistor, diode, ic cross reference. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Bc547 npn transistor, buy it online in hyderabad and with shipping across. The complimentary transistor is very useful for symmetrical pushpull amplifier circuits.
The pnp equivalent is the complimentary transistor, which is the bc557. 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. Bc547 is mainly used for amplification and switching purposes. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose.
Bc 458 transistor transistor bc 548 data bc546bta bc546 fairchild bc546 transistor b 546b bc549 of transistor bc548 bc 547 b transistor. These transistors are on the smaller side, but are still very work able. The bc547 is an npn transistor belonging to a group of generalpurpose npn semiconductors. Equivalent transistor bc547 datasheet, cross reference. Bc547 is a npn transistor hence the collector and emitter will be left open when the base pin is held at ground and will be closed when a. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor 2002 fairchild semiconductor corporation. Best sellers help new releases gift ideas gift cards home books sell. Buy products related to bc547 transistor products and see what customers say about bc547 transistor. The word transistor is a combination of two words, transfer and resistor. Bc547 npn general purpose transistors book, halfpage m3d186. Semiconductors data sheet book, halfpage m3d186 bc546.
Most projects will specify a particular transistor, but if necessary you can usually substitute. Suitable for afdriver stages and low power output stages complement to bc337bc338. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon. Buy products related to bc547 transistor products and see what customers say about bc547 transistor products on free delivery possible on eligible purchases. 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. The terms hfe, beta, current gain, transconductance still confuse me. The transistor, bc 547 is shown in the figure below. 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. Bc547, bc547 datasheet, bc547 npn general purpose transistor datasheet, buy bc547 transistor.
Bc 547 npn amplifier transistors comes as set of 5. The transistor terminals require a fixed dc voltage to operate in the desired region of its characteristic curves. 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. Therefore, it is important to refer to the datasheet for the exact part number and. It is notably often the first type of bipolar transistor hobbyists encounter and is often featured in designs in hobby electronics magazines where. If ordered before 12pm super fast delivery limited areas. Transistor bc547 is probably the most elementary of the available electronic active components and yet becomes the basic, vital building block in most electronic circuits. Bc547 bc547a bc547b bc547c npn general purpose amplifier. How to make simple electronic circuits using transistor 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 year 547 bc was a year of the prejulian roman calendar. I have a small circuit which controls the speed of a dc motor as per the ambient temperature.
Trouble is with mixers is that they are very temperamental to the type of transistor they used and likely r2 may need to be increased or. There are many books and online resources that describe transistors but here is a very brief note. The assignment of transistor elements b,c,e to leads, i. Can a lightning detectors transistors be substituted with bc547 or 2n3904. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Diodes and transistors pdf 28p this note covers the following topics. Electrical engineering news and products electronics engineering resources, articles, forums, tear down videos and technical electronics howtos. I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering. The bc547, bc548, and bc549 are a group of general purpose transistors with similar electrical characteristics. A transistor is normally used for amplification of current.
It mentions transistor advantages or benefits and transistor disadvantages or drawbacks. A transistor, stands for transfer of resistance, is commonly used to amplify current. This transistor series further divides into three groups consisting of bc547a, bc547b, and bc547c, according to the current gain. Bc 547 a bc547 transistor is a negativepositivenegative npn transistor that is used for many purposes. They are not even complementary transistors the complementary of bc547 is. Can you guys help me find out the transistors that can. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european. Bc547 npn general purpose transistors 1999 apr 15 product.
What i am trying to do is measuring everything of bc547 transistors details from a basic circuit design practically. Can a lightning detectors transistors be substituted with. The naming or more specifically numbering of most transistors can follow any of the three systems. Bc 547 has three pins in total similar to the other bipolar junction transistors. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. The bc548 family, including the bc547a to bc550c, are lower voltage, lower. Bc547 npn general purpose transistors product specification.
The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. They are consistent in terms of tolerance, and they are small enough i can make a ttl alu within a 2in. Substitute to bc148 transistor electronics forum circuits. Bc547 cross reference electronic circuits, tv schematics, audio. No bc187 is a pnp transistor and bc547 is a npn transistor. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other. The transistor is a solid state equivalent of a triode valve which was used in radio and early computers. So, the basic purpose of transistor is transfer of resistance. Advantages of transistor disadvantages of transistor. Bc546 datasheet, equivalent, cross reference search. The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. This datasheet contains the design specifications for. As prathamesh satardekar has said, 2n2222 is as good as any.
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. In the roman empire, it was known as year 207 ab urbe condita. It depends on exactly what the function of the transistor is, but heaps of transistors will substitute for it in a great many situations. What i am trying to do is measuring everything of bc 547 transistor s details from a basic circuit design practically. Bjt transistor type is used for discussion on working operation, applications etc. Bc 547 pack of 5 a bc547 transistor is a negativepositivenegative npn tr. Choosing transistor replacements electronics notes. Bc547 is a general purpose npn transistor datasheet here which us very popular among hobbyist and engineers alike. Problem is, i cant find a bc148 transistor and im looking for a substitute. The article presents a comprehensive discussion regarding these tiny electronic devices in a very lucid style, explaining bc547 datasheet, their operating principle and how to implement bc547 and the associated parts into. Smallsignal transistor data book, 86 pages, 1984, motorola. Npn general purpose transistors, especially suited for use in driver stages of audio. Best sellers help new releases gift ideas gift cards home books sell computers electronics registry.
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