Bc548 equivalent transistor books

Bc546, ab bc547, abc bc548, abc npn general purpose transistor collector 1 to92 2 base 1 2 3 3 emitter maximum ratings t 25c unless otherwise noted a rating symbol bc546 bc547 bc548 unit collectoremitter voltage veco 65 45 30 vdc collectorbase voltage v 80 50 30 vdc cbo emitterbase voltage vebo 6 6 6 vdc collector current. If its just switching, then its much less important to get an exact equivalent and even something like a bc337 would probably do. My problem is i couldnt find the two transistors, npn bc548 and pnp bc559 at any of my nearby radio shacks. Electronics club transistor circuits functional model. Complementary low voltage transistor features products are preselected in dc current gain application general purpose description these epitaxial planar transistors are mounted in the sot32 plastic package. Bc546b datasheet, equivalent, cross reference search. Bc546 npn transistor complementary pnp, replacement. The transistor is a bc548 npn transistor, very cheap and easy to find. 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. 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. Bc547 bc548 30 80 30 200 v ces collector emitter voltage v ceo 50 emitter base voltage v ebo emitter current peak collector current dc collector current peak 5 npn silicon planar epitaxial transistors bc546 bc547 bc548 absolute maximum ratings ta 25 oc unless specified otherwise to92 smd package 2 3 1. It is nothing but a npn transistor the base current given by applying base emitter vo. 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.

Thanks for a2a the bc548 transistor is used in water level indicator as a sensor. Bc548 datasheet, bc548 pdf, bc548 data sheet, bc548 manual, bc548 pdf, bc548, datenblatt, electronics bc548, alldatasheet, free, datasheet, datasheets, data sheet. Bc548, bc548 datasheet, bc548 npn general purpose transistor datasheet, buy bc548 transistor. Amplifier transistors npn silicon siemens semiconductor g. Choosing transistor replacements electronics notes. 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. You can build this circuit with two standard 5mm red leds and any general purpose low power npn transistor bc108, bc182 or bc548 for example.

Bc547 is a general purpose bjt npn transistor mostly used in electronics hobbyists and educational electronics projects. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. Discrete semiconductors data sheet book, halfpage m3d186 bc546. I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering. 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. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. Motorola reserves the right to make changes without further notice to any products herein. Thus the bc548 or bc546 to 550 is a valid substitute in any circuit designed for the older bc108 or bc148, which includes many mullard and philips. Bc548 is general purpose silicon, npn, bipolar junction transistor. It looks like a pretty generic npn transistor, so unless the circuit is picky, id expect pretty much any generic npn would be fine, so long as you pay attention to what the circuit demands are. 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. Bc548 is commonly used npn transistor same like bc547. Apr 11, 2018 if you want more explanation about these concept please watch below video. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pb.

Bc547 transistor pinout, equivalent, uses, features. Bc546b, bc547a, b, c, bc548b, c amplifier transistors. This article focuses exclusively on biasing and if you have gaps in your knowledge, then i recommend reading the earlier pages of this multipage article. Bc548 is a npn transistor so the collector and emitter will be left open when the base. It is used for amplification and switching purposes. Unit vcbo collectorbase voltage open emitter bc546. Can you guys help me find out the transistors that can. Bc548 transistor replacement datasheet, cross reference, circuit and. These equivalent transistors however have different lead assignments. It is a good way to test a transistor and confirm it is working. 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. Substitute for 2n2222 electronics forum circuits, projects. Epitaxial planar npn transistor general purpose, switching micro electronics. Select a replacement transistor with equivalent ft.

In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. Bc548 transistor as switch transistors, switch, electronics circuit. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Buy products related to bc547 transistor products and see what customers say about bc547 transistor products on free delivery possible on eligible purchases. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation. This article describes bc548 transistor pinout, equivalent, uses, features and other information about this device. Buy products related to bc547 transistor products and see what customers say. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does motorola assume any liability arising out of the application or use of any product or circuit. A transistor amplifies current and can be used as a switch, as explained on this page. Bc548, bc548 npn general purpose transistor, buy bc548 transistor.

Mar 11, 2008 its an npn transistor rated for 500ma, 50v and with a hfe gain between 20 and 300, typically 80 at 0. Bc548 cross reference electronic circuits, tv schematics. Apr 01, 2009 my problem is i couldnt find the two transistors, npn bc548 and pnp bc559 at any of my nearby radio shacks. Bc548 bc548 npn general purpose transistor datasheet buy bc548. Bc548 datasheet, equivalent, cross reference search. Bc548 transistor pinout, equivalent, uses, features. The bc548 transistor is a semiconductor that works to switch electronic signals, and in some cases amplify them. 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. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Semtech, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Bc548 transistor pinout, equivalent, working as amplifier. It can also be replaced with some well know transistors.

The 2n3904 has a maximum collector current rating of 200 ma and power dissipation of 625 mw. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. So i just wanted to know can the bc148 be used as a general substitute for 2n2222 or is it just the case in this. If its in an rf circuit, then be sure the ft is at least 120mhz, and that it has a low cre. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european. Bc546, ab bc547, abc bc548, abc npn general purpose transistor collector 1 to92 2 base 1 2 3 3 emitter maximum ratings t 25c unless otherwise noted a rating symbol bc546 bc547 bc548 unit collectoremitter voltage veco 65 45 30 vdc collectorbase voltage v 80 50 30 vdc cbo emitterbase voltage vebo 6 6 6. The bc548 and bc549 are almost identical npn transistors. I have ordered a pcb for my circuit which includes transistor bc548 q1, sk100 q2 and a zener diode d2, but when i got the pcb it has no holes for those three components. It can handle a collectorload current of 100 ma, and the hfe gain is 110. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. I decided to use ksp2222a to replace the bc548, and mpsh10 for the bf494. Absolute maximum ratings ta 25c unless otherwise noted. General purpose transistors technical data and comparison tables.

It is a low current transistor bc548 datasheet, bc548 pdf, bc548 data sheet. Bc549 npn transistor complementary pnp, replacement. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. Biasing a transistor to operate as an ideal switch involves understanding transistor characteristics graphs. Bc546b transistor datasheet pdf, bc546b equivalent.

Collector and emitter will remain open when the base pin is held at ground and will closed when a signal is provided to base pin. 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. 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. Bc548 transistor pinout, equivalent, working as amplifierswitch. Free book electronic circuits fundamentals and applications newnes third. Substitute to bc148 transistor electronics forum circuits. Bc548 from texas instruments highperformance analog. 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. Bc 548 is a commonly used transistor that can be found easily. Bc557 has a gain value of 110 to 800, this value determines the amplification capacity of the transistor. Then i searched for smd type equivalent of those, but their pins are too distant as compared to my pcb. Smallsignal transistor data book, 86 pages, 1984, motorola. Due to covid19 situation shipping and delivery services will be affected.

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. Problem is, i cant find a bc148 transistor and im looking for a substitute. Complementary low voltage transistor stmicroelectronics. This compares well with the bc547, bc548, and bc549 general purpose transistors which have a peak collector rating of 200 ma and power dissipation of 500 mw. That diode is there to loop back pulse current when the relay is switched off. Be the first to know about our newest products, specials and promotions. Bc548 has a gain value of 110 to 800, this value determines the amplification capacity of the transistor. 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. Transistor codes surface mount, pnp, npn, choosing.

These are the most general purpose npn silicon transistors and changing one with the other does not noticably or otherwise affect the circuit. Bc548 transistor pinout, equivalent, uses bc548 is commonly used npn transistor same like bc547. What is the use of transistor bc548 in water level indicator. Part number tr 037 certification rohs additional information. Bc546 bc547 bc548 bc549 bc550 npn epitaxial silicon transistor 2002 fairchild semiconductor corporation. Bc548 transistor smd bc558 pinout transistor replacement guide elektor t2 bc548 amplifier with transistor bc548 bc548 pin diagram pin diagram of ic tl082 transistor bc548 text. Oct 26, 2017 this is where a pnp transistor differs from a npn transistor, a logic state blue colour is used to toggle between ground and signal voltage emitterbase voltage v be as shown below. Find the pdf datasheet, specifications and distributor information. Both transistors have a maximum collectoremitter rating of 30 v, and collectorbase rating of 30 v. 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. 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.