Towards a simple, and yet accurate, transistor equivalent circuit. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads. The 2n3904 is a common npn bipolar junction transistor used for general purpose lowpower. Transistor replacement table for transistor datasheet archive. Bjt transistor is two backtoback diodes, has very different characteristics. On special request, these transistors can be manufactured in different pin configurations. Stp75nf75 transistor datasheet, stp75nf75 equivalent, pdf data sheets. When a transistor is unavailable for whatever reason, an equivalent transistor often can be substituted. Allieds handbook of transistor fundamentals author. This page contains list of freely available e books, online textbooks and. If you need one, i would recommend that you buy one of the previous editions from 2000 or earlier i ended up buying a copy of the eighth edition from 1998, and the. Transistor equivalent circuits and models learning objectives general dc equivalent circuit ac equivalent circuit equivalent circuit of a cb amplifier effect of source resistance r s on voltage gain equivalent circuit of a ce amplifier equivalent circuit of a cc amplifier smallsignal lowfrequency model or representation.
Input resistance of a transistor circuit electrical. Notice rohm customer support system thank you for your accessing to rohm. The purpose of this book is to help the reader to understand how transistors work and how to design a simple transistor circuit. The npn transistor is often operated in active mode because in active mode the npn transistor amplifies the electric current. Nov 07, 2016 npn silicon epitaxial planar transistor for switching and af amplifier applications. The product range consists of a wide range of well known industry standard part numbers.
What is the equivalent of the transistor in a quantum computer. Cross reference electronic circuits, tv schematics, audio. Free transistor equivalent book transistor bipolar junction. Transistors now that we know about diodes, lets put two of them together, as follows. Hilitchi 24values 2n2222s9018 bc327bc558 npn pnp power general purpose transistors assortment kit pack of 840. Smallsignal transistor data book, 86 pages, 1984, motorola. We can create an equivalent circuit to model the transistor for small signals. Consider the contents of this book as the first mile of a long journey into transistor. Electronic repair transistor cross reference replacement.
Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Free transistor circuits books download ebooks online textbooks. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. Transistor equivalents for the substitution of modern transistors in elderly projects. Everyday low prices and free delivery on eligible orders. Nte cross reference guide enter the manufacturer part number of your semiconductors into the form below to locate a compatible nte replacement.
Choosing transistor replacements electronics notes. 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. We have the broadest line of bipolar power transistors in the industry and the motorola commitment to quality and total customer satisfaction to go with them. International transistor equivalents guide bernard babani. Apr 04, 2000 principles of transistor circuits is a very good book, but this 2003 print of the ninth edition suffers badly from being digitised as the illustrations are almost illegible.
Cross reference guide is a search engine for electronic parts xref. Parameters and characteristics r cross reference equivalent table transistors, scr, ic 2n2955 2n2955 to3 2n3055 2n3055 to3 2n3417 2n3417 to92 2n3704 2n3704 to92 2n3772 2n3772 to3 2n3773 2n3773. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. Check our section of free ebooks and guides on transistor circuits now. 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. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books.
Digital transistors dtr these are transistors with built in resistors. Is there any webbased or stand alone program to do such service for transistors and ics. In certain cases, the quoted collector current may be exceeded. Should you find any info that can fill in any of the blanks in the matrix below. The 2sa1175 transistor might have a current gain anywhere between 110 and 600. Therefore, it is important to refer to the datasheet for the exact part number and. Small signal transistors industry standard st nearest st. Upd65883 datasheet, cross reference, circuit and application notes in pdf format. Free transistor circuits books download ebooks online. This page contains list of freely available ebooks, online textbooks and tutorials in transistor circuits. Mps2222a npn transistor complementary pnp, replacement. Transistor codes surface mount, pnp, npn, choosing.
A voltage or current applied to one pair of the transistors terminals controls the current through another pair of terminals. Bc548, a functionally equivalent transistor used around europe. At first glance, this looks like an insulator but the actual behavior is far more interesting, if we apply external voltages properly n n p collector emitter base moderately doped. General purpose transistor description the bc14116 is a silicon planar epitaxial npn transistor in jedec to39 metal case. This data sheet and its contents the information belong to the members of the premier farnell group of companies the group or are licensed to it. The gain of the 2sa1175rf will be in the range from 110 to 180, 2sa1175jf ranges from 5 to 220, 2sa1175hf ranges from 170 to 270, 2sa1175ff ranges from 200 to 320, 2sa1175ef ranges from 250 to 400, 2sa1175kf ranges from 300 to 600. In terms of the hybrid parameter model we will see this model soon rbe hie hfe using rbe to design a circuit is a dangerous practice as it depends on temperature and varies. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower. Semiconductor transistor, diode, ic cross reference. The most basic kind is called a bipolar transistor. So lets see how an npn transistor works in active mode. The mps2222a is manufactured in a plastic to92 case.
The links at left may help you to research your own replacement transistors. Download ic database equivalent guide 100 thousand. It is shown as a diode for the be pn junction and a current source for the ce junction. Vrt comparison table for semiconductors from a to z edition. Discrete semiconductors data sheet book, halfpage m3d186 2n4401 npn switching transistor 1999 apr 23 product specification supersedes data of 1997 may 07 philips semiconductors product specification npn switching transistor 2n4401 features pinning high current max. Transistor equivalents for the substitution of modern. 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. It is particularly designed for audio amplifiers and switching application up to 1a. Semiconductor cross reference book engineers of howard w. That is, a weak input signal can be amplified made stronger by a transistor. Another variety of transistor, called a fieldeffect transistor fet, has become extremely popular in recent years, especially as the building blocks for integrated circuits also known as ics. High power npn silicon transistor stmicroelectronics preferred salestypes description the 2n3771, 2n3772 are silicon epitaxialbase npn transistors mounted in jedec jedec to3 metal case. Understanding transistor replacement, substitution and. It is composed of semiconductor material with at least three terminals for connection to an external circuit.
In this video i will write a schematics of a npn transistor to its equivalent. Bgmicro electronics parts, kits, projects, surplus, diy, hobby. An9010 all mosfet equivalent book free all transistor equivalent book free transistor equivalent book power bjt advantages and disadvantages an9010 vmosfet bjt isolated base drive circuit drive base bjt fqp10n20 n power mosfet depletion. Switching time equivalent test circuits scope rise time transistors. Sts small signal transistors are offered with the latest silicon planar technology that ensures high reliability and fast switching performance. Finding a replacement for your bipolar transistor tech. Most projects will specify a particular transistor, but if necessary you can usually substitute an equivalent transistor from the wide range available. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Design and application of transistor switching circuits.
They were created by philips and mullard in 1963 and introduced in april 1966. Searching the right transistor for substitution is a skill, if you replace wrong specifications of transistor i. Whe n two resistor values are given, the first is the series base resistor, and the second the resistor between base and emitter. Transistor basics a transistor, also known as a bjt bipolar junction transistor, is a current driven semiconductor device which can be used to control the flow of electric current in which a small amount of current in the base lead controls a larger current between the. Understanding transistor replacement, substitution and information is very important for a electronic repairer. Introduction a transistor is a small electronic device that can cause changes in a large electrical output signal by small changes in a small input signal. This manual lists maximum ratings for vcbo, vebo, ic, pc, hfe, and frequency. Does anyone know where the site is that you type in a transistor and get a list of equivalent transistor. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor.
The external resistors set an operating bias on the base to the transistor and limit current from the ac signal. Determining the correct cross is simplified by referring to our transistor sub spec manual. Semiconductortransistor crossreference list peavey. Finding transistor replacement can take you hours if you dont know the right method to do it. They are intended for linear amplifiers and inductive switching applications. X10679ejhv0sg00 free transistor equivalent book 2sc upa1556ah the japanese transistor manual 1981 samsung uhfvhf tv tuner mosfet crossreference 2sk pd43ax pd72001 upper arm digital sphygmomanometer circuit diagram upc1237 upc 2002. Transistor equivalent book pdf free download by corfikome.
P517617 lec5, p1 diodes and transistors diodes what do we use diodes for. Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Some of the transistors are types with integrated resistors. For example, very weak radio signals in the air can be picked up by a wire antenna and processed by transistor amplifiers until they are strong enough to be. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose.
Transistor cross reference replacement and guide is very important for every engineers and technicians because the data that you found in this guide can help you to find the exact replacement for the components that you are looking for such as transistor, fet, ic, diode, zener diode and etc. This section contains free e books and guides on transistor circuits, some of the resources in this section can be viewed online and some of them can be downloaded. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Lecture 7 bipolar junction transistors bjts guyeon wei division of engineering and applied sciences. Cross reference universal transistor reference page 1. Vrt comparison table for semiconductors from a to z. Let us consider an npn transistor as shown in the below figure. Transistor kit 10 value 200pcs npn pnp power transistor. Fieldeffect transistors can be made much smaller than bipolar transistors, and. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by adrian michaels isbn. Simpson page 227 writes an equivalent formula for the gain using the transistor parameter b and a slightly different temperature, t 3000k.
The bc107, bc108 and bc109 are generalpurpose low power silicon npn bipolar junction transistors found very often in equipment and electronics books articles from europe, australia and many other countries from the 1960s. The transistor is subdivided into four groups q, r, s and e. Although the software seems a bit ugly design running on dos, but it works perfectly with the database with many components and is free, makes an interesting tool to interested in electronics, want to know when information about a particular component or find a replacement the operation is quite simple and is separated by categories such as. 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. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Select a replacement transistor with equivalent ft. It is addressed to amateur circuit designer with little or no previous knowledge on semiconductors. 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. Is there anything available to see if a particular transistor can be replaced with a different one. Bipolar junction transistor physics and radioelectronics. Transistor amplifiers transistor has 3 legs, one of them is usually grounded. If you had asked what is the equivalent of a bit, the basic abstract unit of information, in a quantum computer, the answer is a qubit. Diodes and transistors pdf 28p this note covers the following topics. You need to follow a twostep process to solve this.