The bc548 and bc549 are almost identical npn transistors. Both transistors have a maximum collectoremitter rating of 30 v, and collectorbase rating of 30 v. In certain cases, the quoted collector current may be exceeded. The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Emitter collectoremitter bc547 vceo 45 v voltage bc548 30 to92 bc546 6 emitterbase bc547 vebo 6 v voltage bc548 5 bc546 100 collector current bc547 ic 100 ma bc548 100 bc546 100 emitter current bc547 ie 100 ma bc548 100 collector power dissipation pc 625 mw junction temperature tj 150 storage temperature range tstg 55 1501998. 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. Absolute maximum ratings ta 25c unless otherwise noted. The bc548 transistor is a semiconductor that works to switch electronic signals, and in some cases amplify them. Scillc is an equal opportunityaffirmative action employer. A very good components and service by electron components the products i got from electron components are best in quality it is like that it can understand our needs i cannot expect a brushless fan for rs. Pinning pin description 1 emitter 2 base 3 collector fig.
Bc549c transistor the bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. Bc546, bc547, bc548, bc549, bc550 mouser electronics. Vce limits of the transistor that must be observed for reliable operation. Apr 01, 2009 my problem is i couldnt find the two transistors, npn bc548 and pnp bc559 at any of my nearby radio shacks. Datasheet contains the design specifications for product development. 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.
They both have an absolute maximum collector rating of 100 ma, and power dissipation of 500 mw. Bc548 has a gain value of 110 to 800, this value determines the amplification capacity of the transistor. Bc548 cross reference electronic circuits, tv schematics. Click here specifications bipolar transistor leaded process compatible. Bc548 cross reference electronic circuits, tv schematics, audio. D1554 datasheet vcbo1500v, npn transistor toshiba, 2sd1554 datasheet, d1554 pdf, d1554 pinout, d1554 equivalent, d1554 data, circuit, d1554 schematic. Thanks for a2a the bc548 transistor is used in water level indicator as a sensor. Emitter npn epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted symbol parameter value units vcbo collectorbase voltage. Transistor equivalent or substitute used for power amplifier. Mar 16, 2018 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. Finally, the 1uf capacitor blocks the dc current from reaching the output.
Bc548 transistor the bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. Bc548 transistor pinout, equivalent, working as amplifierswitch. Dec 19, 2015 how to find transistor base emitter collector with multimeter. Bc548 manufacturers web site futurlec part number bc548 department transistors category general bc series rohs compliant package type to92 technical data. This article describes bc548 transistor pinout, equivalent, uses, features and other information about this device. The strengths and weaknesses of the bc548 transistor are derived mainly from its design. Bc548, bc548 npn general purpose transistor, buy bc548 transistor. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pb. Some part number from the same manufacture on semiconductor. Amplifier with transistor bc548 information of bc548 bc548 for bc548 npn transistor transistor bc 547 transistor bc 548 npn bc 548b transistor bc549 input npn transistor bc548b text. Bc548 transistor pinout, equivalent, uses, features components.
Baseemitter saturation voltage collectoremitter saturation voltage figure 5. Bc548 is a npn transistor so the collector and emitter will be left open when the base pin is held at ground and will be closed when a signal is. The second transistor, the bc558 is a pnp transistor, and amplifies the signal at the collector of the bc548. This project which i call a mini gainclone is a stereo amplifier with an added headphone output. The bc548 is a part of a family of npn and pnp epitaxial silicon transistors that originated with the metalcased bc108 family of transistors. However in using two or more transistors in such a method, you need to ensure the emitter current rating of the second transistor is much higher, as the gain of. An audio amplifieramplifies lowpower audio signals to a level which is suitable for driving loudspeakers. 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. The bc548 can be replaced with similar bc transistors without the danger of burning out or failing.
When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor. I have been looking at some simple rs232 pic and avr programming schematics. Rating collector emitter voltage collector base voltage emitter base voltage collector current continuous total device dissipation 25c derate above 25c total device dissipation 25c derate above 25c operating and storage junction. 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. Audio amplifier using 2 transistor bc548,2sc2625 youtube. Application of bc548 transistor bc547 pnp bc547 bc548 pnp transistor pnp bc547 transistor bc548 transistor pnp bc548.
Collector load lines for specific circuits must fall below the limits indicated by the applicable curve. In the united states and canada, a similar transistor is named 2n3904. Trusemi bc548b trusemi bc548b transistor to92 30v npn low power transistor with epitaxial planar construction, designed for use in the drive stage of. Yes you can do it with a bc548 or another npn transistor. At the output of the circuit op you have to connect the camera pin shutter or focus. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pbi 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. The transistor circuit is powered by 5 v, hence vcc 5 v. 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. To the untrained eye, a circuit board simply looks like a green piece of plastic with innumerable small. At the input of the circuit ip you have to connect the arduino output. Bc546547548549550 typical characteristics figure 1. Bc548 transistor input output characteristics youtube.
A transistor, stands for transfer of resistance, is commonly used to amplify current. The transistor is a bc548 npn transistor, very cheap and easy to find. Transistor bc548 working datasheet, cross reference. Bc548 transistor pinout, equivalent, working as amplifier. Transistors are one of the most important circuit board components, and replaced vacuum tubes in the mid20th century, allowing for the true miniaturization of electronics. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other. Nov 18, 2012 emitter collectoremitter bc547 vceo 45 v voltage bc548 30 to92 bc546 6 emitterbase bc547 vebo 6 v voltage bc548 5 bc546 100 collector current bc547 ic 100 ma bc548 100 bc546 100 emitter current bc547 ie 100 ma bc548 100 collector power dissipation pc 625 mw junction temperature tj 150 storage temperature range tstg 55 1501998. Unit vcbo collectorbase voltage open emitter bc546. What is the use of transistor bc548 in water level indicator. The 2n3904 is the same but its collector and emitter are reversed. Current gain bandwidth product 0 2468 101214161820 0 20 40 60 80 100 i b 50a i b. The supply voltage is 5 volts, and the digital output from the arduino is also 5.
Bc557 bc556 the safe operating area curves indicate ic. Aug 25, 2019 k30n60 pdf datasheet, equivalent part search. The maximum amount of current that could flow through the collector pin is 500ma, hence we cannot connect loads that consume more than 500ma using this transistor. It is nothing but a npn transistor the base current given by applying base emitter vo. Bc548 datasheet, equivalent, cross reference search. How to select an equivalent transistor i need equivalent transistor. Manufacturer omega power westech part number tr 037 certification rohs additional information. I have looked up the datasheet and the only difference appears to be the various voltages between pins the hfe and various peak currents. That diode is there to loop back pulse current when the relay is switched off. Semiconductor transistor, diode, ic cross reference. Bc548 npn transistor complementary pnp, replacement, pinout, pin. Trusemi bc548b transistor to92 30v npn rapid online. Bc 547548 npn transistor difference electronics forum.
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. L4981 pfc orega colour tv power supply system ic flyback converter dcdc 400v byt11 equivalent china tv schematic diagram l4981a colour tv circuit diagram t1 bc548. Bc548 transistor pinout esquemas eletronicos, eletronicos. My problem is i couldnt find the two transistors, npn bc548 and pnp bc559 at any of my nearby radio shacks. Replacement speakers, woofers, midranges, tweeters, parts. Let us say that the load is a typical 5 v relay with a coil resistance of 69. Bc548 bc548a bc548b bc548c npn general purpose amplifier bc548 bc548a bc548b bc548c this device is designed for use as general purpose amplifiers and switches requiring collector currents to 300 ma.
Manufacturer omega power westech part number tr 037. Bc546b, bc547a, b, c, bc548b, c amplifier transistors. If the library you are using already contains bc548 in smd, you can just rightclick on the transistor you want to switch to smd and click replace if smd transistor is a separate device, or package if it is just a package variant of a device you are using. Use a 2n4401 if you want the same high output current of an old 2n2222. 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. Substitute for 2n2222 electronics forum circuits, projects. Complete technical details can be found in the bc558 datasheet given at the end of this page. Please click on the add to cart button and then proceed to checkout. Aug 27, 2010 post the link my guess is the description is from someone that isnt a native english speaker a remote control is distinguished from a local control the local controls are physically located on the tv and must be operated in close proximity of the tv, i. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. It can handle a collectorload current of 100 ma, and the hfe gain is 110. Subwoofer box design, speaker box design, electronic circuit projects. This site uses cookies to deliver our services and provide a basic level of website functionality. If ordered before 12pm super fast delivery limited areas.