It is for this reason that gaas is used in high frequency applications. Free devices maximum ratings rating symbol value unit collector. I am kinda new to this circuit making stuff, and i took a introductory subject to electrical engineering. Modem line interface q2 q1 t1 smtpa270 the mmbta42 92 withstand breakdown voltages of up to. Mmbv2101lt1 mmbv2103lt1 mmbv2105lt1 mmbv2107lt1 mmbv2108lt1 mmbv2109lt1 mv2101 mv2104 mv2105 mv2108 2n3819 replacement transistor equivalent book 2n5401 bc237 j305 replacement transistor equivalent ct 2n5551 2n5551 sot23 bf245 replacement 2n3819 equivalent transistor mps2907 replacement bc108 replacement.
Questions about transistors with high beta hfe up to 3000 without. Low noise input stages, hifi amplifiers, signal processing circuits of television receivers. Here is an image showing the pin diagram of the this transistor. Please consult the most recently issued document before initiating or completing a design. Can a lightning detectors transistors be substituted with. Transistor equivalent bipolar junction transistor transistor scribd. Oct 26, 2017 bc557 is a pnp transistor hence the collector and emitter will be closed forward biased when the base pin is held at ground and will be opened reverse biased when a signal is provided to base pin. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by adrian michaels isbn.
It is composed of semiconductor material with at least three terminals for connection to an external circuit. Bc549xbk general purpose siepitaxial planar transistors npn npn siepitaxial planartransistoren fur universellen einsatz version 20091203 0. A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. In 1983 it was merged with the european electronic component manufacturers association eeca and since then operates as an agency of. Bc549c, bc550c low noise transistors npn silicon features these are pb. Bc547c datasheet, equivalent, cross reference search. Due to the high gain characteristic the transistor will switch on with just ib300a. Please, follow these basic instructions to place your order. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european. Transistor packages are mainly standardized, but the assignment of a transistor s functions to the terminals is not.
A voltage or current applied to one pair of the transistor s terminals changes the current through another pair of terminals. Bc549c is an npn transistor in a small plastic case. 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. Class 1 transistor as a switch bipolar junction transistor. 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. Motorola small signal transistor data book 1984 ed. Transistor, npn, to92 bc549c pack of 5 by multicomp. The generalpurpose range of transistors is a good substitute for basic noncritical audio applications, as these transistors are similar and equivalents to each other. A voltage or current applied to one pair of the transistor s terminals contr. A voltage or current applied to one pair of the transistors terminals changes the current through another pair of terminals.
Bc557 is a pnp transistor hence the collector and emitter will be closed forward biased when the base pin is held at ground and will be opened. Jul 29, 2019 a transistor is a semiconductor that allows current to flow through it under certain conditions, and cuts current off when other conditions are present. It is composed of a semiconductor material with at least three terminals for connection to an external circuit. These transistors are utilised in audio frequency, and small signal directly coupled preamplifiers. Bc549 datasheet, equivalent, cross reference search. Bc549 npn transistor complementary pnp, replacement.
How to get a pseudoequivalent circuit for a 2n3904 transistor. Discrete semiconductors data sheet book, halfpage m3d186 bc549. Bc549c datasheet, equivalent, cross reference search. Small signal transistors industry standard st nearest st. Unit vcbo collectorbase voltage open emitter bc549. Transistor equivalent electronics forum circuits, projects. Due to the high gain characteristic the transistor will switch on with just ib100a. Emitter voltage bc549c bc550c vceo 30 45 vdc collector. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics booksarticles from europe, australia and many other countries. 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. I wouldnt call the mpsa18 a superbeta, with hfe 500, not that much better than the old bc549c. The gain of the bc549a will be in the range from 110 to 220, bc549b ranges from 200 to 450, bc549c ranges from 420 to 800, bc549cg ranges from 420 to 800. Initially in metal to18 packages, the range expanded. Hello everybody, im currently taking electrical engineering as senior physics major at fordham university and have decided to take on a little side project to gain a better understanding.
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. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical. Add only the numerical characters of the item number. Can a lightning detectors transistors be substituted with bc547 or 2n3904. A voltage or current applied to one pair of the transistors terminals controls the current through another pair of terminals. Bc549 bc549c npn transistorbuy online electronic components shop wholesale best lowest price india. For general rf purpose around 250mhz use 2n3904 fast transistor, for audio use s9014 etc and for little more powerful audio etc, 8050 and 8550 are needed. Motorola reserves the right to make changes without further notice to any products herein. These transistors are the direct modern equivalent replacements to the earlier bc107, bc108, and bc109. Driver for relay high gain transistor used to drive 20ma led. Pro electron or eeca is the european type designation and registration system for active components such as semiconductors, liquid crystal displays, sensor devices, electronic tubes and cathode ray tubes pro electron was set up in 1966 in brussels, belgium. Can you guys help me find out the transistors that can. Unfortunately ive tidied up an now cant find my equivalents book, but ive a suspicion that the 2sc1818. You can test a transistor with a multimeter that has a diode test function.
It is made of a solid piece of semiconductor material, with at least three terminals for connection to an external circuit. It is a body of knowledge that hopes to guide you when you are attempting to diagnose and repair just about anything that plugs into the wall or runs off batteries, more or less. Cross reference universal transistor reference page 1. This is the official frequently asked questions faq list for the newsgroup sci. This npn bipolar transistor is designed for high gain, low noise general purpose amplifier applications. Initially in metal to18 packages, the range expanded over time to include other package. Bc549 has very low continuous current of 100ma hence it cannot be used to switch heavy loads. It lists well over 3,400 device codes in alphabetical order, together with type numbers, device characteristics or equivalents and pinout information. Apps bc549c datasheet, equivalent, cross reference search. 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.
Bc549c transistor bc550cg bc549c transistor bc549c bc549cg bc550c transistor transistor yc 520. Class 1 transistor as a switch free download as powerpoint presentation. It is housed in a to92 package for medium power applications. Problem is, i cant find a bc148 transistor and im looking for a substitute. General purpose transistors, best suited for use in driver stages of audio amplifiers, of tape recorders. Bc559 datasheet, equivalent, cross reference search. The bc548 is a generalpurpose npn bipolar junction transistor commonly used in european and american electronic equipment. Please note, due to government restrictions on logistics and no commercial activity around covid19, store is not processing any order till further notice, any order placed will be autocancelled. Bc549c datasheet14 pages motorola low noise transistors. The bc549c is an npn transistor belonging to a group of generalpurpose npn semiconductors consisting of bc547, bc548, and bc549. They were created by philips and mullard in 1963 and introduced in april 1966.
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. Semiconductor cross reference book engineers of howard w. The nte123a npn and nte159m pnp are widely used industry standard complementary transistors in a to18 type case designed for applications such as mediumspeed switching and amplifiers from audio to vhf frequencies. The most noticeable difference is in the packaging and. 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. Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. I like using originals, where possible nothing like lead out confusion. A transistor is a semiconductor device used to amplify and switch electronic signals. What im attempting to create is my own transistor logic rs232 rs232 refers to the serial. Can i replace a 2n222 by a bc558b, bc549c or bc327.
Equivalent transistor bc549c datasheet, cross reference, circuit and application notes in pdf format. How to use the smd codebook to identify a particular smd device, first identify the package style and note the id code printed on the device. Alternatively equivalents to these transistors would help. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Bc549c general purpose transistors page 1 120508 v1. Nte is a company that specializes in cross referenced parts. Then a transistor with no series emitter resistor and its base biased at 0. Transistors are commonly used as either a switch or a current amplifier. Try findchips pro for equivalent transistor bc549c. A transistor is a semiconductor that allows current to flow through it under certain conditions, and cuts current off when other conditions are present. In 1934, german inventor oskar heil patented a similar device in europe. Low noise transistors npn silicon, bc549c datasheet, bc549c circuit, bc549c data sheet. Recent listings manufacturer directory get instant insight into any electronic component.
Everyday low prices and free delivery on eligible orders. Bc549c npn transistor complementary pnp, replacement. I decided to use ksp2222a to replace the bc548, and mpsh10 for the bf494. Bc550c datasheet general purpose transistor npn, package. Transistor the reader wiki, reader view of wikipedia. Com datasheet search site for electronic components and semiconductors and other semiconductors. Substitute to bc148 transistor electronics forum circuits. Because the electron mobility is higher than the hole mobility for all semiconductor materials, a given bipolar npn transistor tends to be swifter than an equivalent pnp transistor type. Apr 01, 2009 hello everybody, im currently taking electrical engineering as senior physics major at fordham university and have decided to take on a little side project to gain a better understanding. Even for the same transistor type the terminal assignment can vary normally indicated by a suffix letter to the part number, q. The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics booksarticles from europe, australia and many other countries from the 1960s. Each transistor is different, the voltage increases when the current increases and the voltage decreases when the temperature increases. A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
Gaas has the highest electron mobility of the three semiconductors. International transistor equivalents guide bernard babani. Com is the biggest online electronic component datasheets search engine. Type number package name description version bc549c sc43a plastic singleended leaded through hole package. Here is a very simple bc549c transistor amplifier circuit using an lt700 transformer to drive a loudspeaker if you are using the little whippersnappers crystal radio system and need a simple circuit to drive the loudspeaker, then this will work. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. If you cant search it here, nowhere else in the world. Cross reference universal transistor reference read 14021 times. It is notably often the first type of bipolar transistor hobbyists encounter and is often featured in designs in hobby electronics magazines where. Choosing transistor replacements electronics notes. 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. Bc549c transistor datasheet pdf, bc549c equivalent.
Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. If you cant find a listed equivalent,one good philosophy is to look at the circuit the device is used in. Cross reference universal transistor reference page 1 eevblog electronics community forum. Replacement and equivalent transistor for the bc549.
1182 30 1272 1544 1510 1608 402 668 549 141 1471 979 1177 895 1010 1287 111 1554 291 681 131 579 717 253 1574 205 367 1412 855 614 755 891 1261 687 30 1051 1210 793 170 1359 1232 109 1302 636 1184 804