Bc549 transistor equivalent book

The bc109 package was to18 sot18 metal canister, whilst the modern bc549 package is a to92 sot54 plastic material. Bc549 npn transistor complementary pnp, replacement. Bc549c datasheet, equivalent, cross reference search. This site is like a library, you could find million book here by using search box in the header. Bc549, bc550 complement to bc556, bc557, bc558, bc559, and bc560 ordering information part number marking package. Bc550 npn general purpose transistors book pdf free download link book now. 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. The 2n3904 is a small signal generalpurpose npn transistor. Here is an image showing the pin diagram of the this transistor. Bc546, bc547, bc548, bc549, bc550 are npn switching and amplifier transistors with low noise and working at high voltage. I want to build this circuit, but i dont have the proper transistors. With out knowing what and ware your are using it, you should choose a similar part.

Bc 548 is a commonly used transistor that can be found easily. This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. Bc549 b, c 36 bc81716, 25, 40 42 bc81816, 25, 40 42 bc846a, b 48 bc847a, b, c 48 bc848a, b, c 48 bc849b, c 48 bf420 54 bf422 54 bf820 56 bf822 56 mmbt3904 58 mmbta42 62 mmbta43 62 mpsa42 64 mpsa43 64 dmos transistors nchannel 2n7000 116 2n7002 122 bs108 128 bs109 4 bs123 6 bs170 8 bs623 6 bs809 144 bs828 146. Bc547 npn transistor complementary pnp, replacement. Bc548 transistor pinout, equivalent, working as amplifier. Bc549 transistor pdf supersedes data of apr oct discrete semiconductors. Transistor codes surface mount, pnp, npn, choosing. What can i use in the replacement of a bc549 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. And the gain grades a,b,c line up too so its really the bc549c you want to replace the 109c gain about 400 or higher. All books are in clear copy here, and all files are secure so dont worry about it.

Symbol parameter value unit rthja thermal resistance from junction to ambient 200 kw symbol parameter conditions min. These parameters are based on the hybrid model for studying the operation of a transistor amplifier in the low voltage region,also called small signal operation. If you install the wrong polarity, the sandwich wont work. Bc549c transistor the bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Com is the biggest online electronic component datasheets search engine. Bc549 datasheet, equivalent, cross reference search. Bc549 bc550 bc549 c120 550rev 081205e cbc550 bc549 to92 pin configuration npn transistor bc550 k bc549. It is one of the lowestcost general purpose transistors currently available on the market, and compares well with the bc range of npn transistors. With the printed side facing you the center leg is the base, the right leg is the emitter and the left leg is the collector. According to datasheet, maximum noise figures of bc549 and 2n2222 are 4db. Bc547 is a general purpose bjt npn transistor mostly used in electronics hobbyists and educational electronics projects. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Smallsignal transistor data book, 86 pages, 1984, motorola. 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.

This transistor is also available in a throughthehole to92 bulk, and ammopack versions. You can replace the bc548 with the bc547, bc549 or bc550. 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 datasheet, equivalent, cross reference search. Bc549 has very low continuous current of 100ma hence it cannot be used to switch heavy loads. Apr 01, 2009 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.

This data sheet contains target or goal specifications for product development. Bc550 datasheet, bc550 pdf, bc550 pinout, equivalent, replacement npn general purpose transistors nxp, schematic, circuit, manual. Circuit audio preamplifier with a bc549 transistor. For basic and simple low voltage audio applications, they are almost equivalents. Circuit audio preamplifier with a bc549 transistor toni december 29, 2015 august 23, 2011 amplifier, audio, circuits this simple circuit can be used to boost the signal sources that are not able to excite your amplifier, or from entering your pc, such as microphones for low and medium impedance, soundheads, guitar pickups, guitar, etc. If you cant search it here, nowhere else in the world. Is there anything available to see if a particular transistor can be replaced with a different one. At the maximum voltage, also called a breakdown voltage bv, electrons. Small signal product npn transistor bc546abc bc550abc taiwan. The bc548 is a part of a family of npn and pnp epitaxial silicon transistors that originated with the metalcased bc108 family of transistors. It can also be replaced with some well know transistors. My problem is i couldnt find the two transistors, npn bc548 and pnp bc559 at any of my nearby radio shacks. This shows that the bc549, 2n2222 and 2n3904 are nice. Bc550 datasheet, equivalent, cross reference search.

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. This article describes bc548 transistor pinout, equivalent, uses, features and other information about this device. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Transistor equivalent book pdf free download by corfikome. Bc547 normal npn transistor sl100 is also npn transistor but bc547 is commonly used to amplify current. Bc550 npn general purpose transistors 1999 apr 22 product specification. 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. Bc548 transistor pinout, equivalent, uses, features. Can general purpose transistors like 2n3904, 2n4401, bc547, 2n2222, etc. Bc5, equivalent, stock, pinout, distributor, price, schematic, inventory, databook.

There are books galore on this but surely someone knows of a site that has them listed and searchable my query is a simple one i have no 2n5551 transistors on hand and i want to see if one in my box will do the job. Dec 11, 2017 2n2222a 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. Bc550bp 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. 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. Besides these uses it can also be used in commercial circuits. Com datasheet search site for electronic components and semiconductors and other semiconductors. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. So, if the original transistor was a bc149, its best to use a bc109 or bc549 as a replacement although in practice, the difference in noise might be negligible. What is the difference between an sl100 transistor and a.

When this transistor is fully biased then it can allow a maximum of 100ma to flow across the collector and emitter. Dec 29, 2015 circuit audio preamplifier with a bc549 transistor toni december 29, 2015 august 23, 2011 amplifier, audio, circuits this simple circuit can be used to boost the signal sources that are not able to excite your amplifier, or from entering your pc, such as microphones for low and medium impedance, soundheads, guitar pickups, guitar, etc. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Bc549 is an npn transistor, so when the base pin is grounded, the collector.

Symbol vcbo bc549 bc550 vceo collectoremitter voltage bc549 bc550 vebo ic icm ibm ptot tstg tj tamb note 1. 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. The input signal at base is amplified and taken at the emitter. 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. Replacement and equivalent transistor for the bc548. Bc548, 2n2222, 2n3904, bc550, c945, pn100, bc337 pin configuration of these transistor may different from bc549 therefore it is suggested to always check pin configuration of the transistor you are replacing with bc549 bc549 transistor explained description.

I have a small circuit which controls the speed of a dc motor as per the ambient temperature. 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. Direct replacement for the bc109 would be the bc549 rather than 547 yes there was a bc107. Bc549 datasheet, bc549 pdf, bc549 data sheet, bc549 manual, bc549 pdf, bc549, datenblatt, electronics bc549, alldatasheet, free, datasheet, datasheets, data sheet. But i found no similarity between two datasheets of same transistor. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european. Applications low noise stages in audio frequency equipment.

Sl100 is mostly used as switch in common emitter configuration. Bc549, bc549 npn general purpose transistor, buy bc549 transistor. Cross reference universal transistor reference page 1. If ordered before 12pm super fast delivery limited areas. The complementary pnp transistor to the bc547 is the bc557. Type number package name description version bc549c sc43a plastic singleended leaded through hole package. It comes in to92 packaging and the maximum output current this transistor can handle is 100ma. Limiting values in accordance with the absolute maximum rating system iec 4. The bc547, bc548, and bc549 are a group of generalpurpose transistors with similar electrical characteristics.

Vbe decreases by about 2 mvk with increasing temperature. Bc549 transistor introduction the world of electronic parts and. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the collector, base, and emitter leads. Bc548 npn transistor complementary pnp, replacement. Smd equivalent the smd versions of the bc547 are available as the bc847 sot23, bc847w sot323, bc850 sot23 and bc850w sot323.

Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor. The bc548 and bc549 are very similar to the bc547 in every respect apart from a difference in operating breakdown voltages. The assignment of transistor elements b,c,e to leads, i. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and.

Bc547 transistor features bipolar npn transistor dc current gain hfe is 800 maximum continuous collector current ic is 100ma emitter base voltage vbe is 6v base currentib is 5ma maximum bc548 transistor features bipolar npn. Low noise transistors bc549b,c npn silicon bc550b,c maximum ratings rating symbol bc549 bc550 unit collectoremitter voltage vceo 30 45 vdc collectorbase voltage vcbo 30 50 vdc emitterbase voltage vebo 5. Likewise, if the original was a bc147, then check the circuit carefully to see what voltage the transistor might be subjected to, and replace with a bc107 or bc547 if in doubt. Maximum noise figures of s9014, c1815, bc547 are 10db. Unit icbo collectorbase cutoff current 2n5550 vcb 100 v. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Bc547 transistor pinout, equivalent, uses, features. Bc547 higher voltage and bc549 lower noise devices, that correspond to. Bc548 is a npn transistor so 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.

These were made by etching depressions into an ntype germanium base from both sides with jets of indiumiii sulfate until it was a few tenthousandths of an inch thick. Bc548 can be replaced by a bc547 or bc546 or better noise specification with a bc549 or in a different package with the samebetter ratings if the different pinout and. Bc550 datasheet pdf pinout npn general purpose transistors. Discrete semiconductors data sheet book, halfpage m3d186 bc549. Transistor equivalent page 3 electronics forum circuits. If more than a maximum voltage rating is applied to a transistor, it can be permanently damaged. Semiconductors data sheet book, halfpage m3d186 bc549. The first highfrequency transistor was the surfacebarrier germanium transistor developed by philco in 1953, capable of operating up to 60 mhz.

Hilitchi 24values 2n2222s9018 bc327bc558 npn pnp power general purpose transistors assortment kit pack of 840. Unit vcbo collectorbase voltage open emitter bc549. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. Lownoise transistor must have the same polarity, either pnp or npn, as the original. Bc546547548549550 bc546547548549550 switching and amplifier high voltage.