Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Mje02d o225aa 03 transistor equivalent transistor sw 03 transistor eb 03 a je 03 transistor eb 03 j e 03 motorola transistor. 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. Bd663 datasheet, cross reference, circuit and application notes in pdf format. For highside switch circuits, you need a pnp style bjt. St 03 npn silicon epitaxial planar transistor for power switching and electron rectifier applications. St03 transistor equivalent substitute crossreference search st03 datasheet pdf 1. 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. Bipolar transistors database contain more than 46000 transistor. Theres usually application notes with example circuits that might help match an equivalent. I absolute maximum ratings parameter symbol ratings unit collectoremitter voltage vceo 400 v.
Understanding transistor cross reference, equivalent. Mje03 datasheet, equivalent, cross reference search. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. The top countries of supplier is china, from which the percentage of 01 transistor supply is 100% respectively. St 03 npn silicon epitaxial planar transistor for power switching and electron rectifier applications the transistor is subdivided into one group according to its dc current gain. Apt03d features mechanical data diodes incorporated. Kse01 npn epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted electrical characteristics ta25c unless otherwise noted hfe classification symbol parameter ratings units vcbo collectorbase voltage 400 v vceo collectoremitter voltage 400 v vebo emitterbase voltage 7 v ic collector current 100 ma. Sunroc alj03 transistornpn features power switching applications maximum ratingsta25. Transistor npn silicon 700v ic4a to220 case high speed switch. Semiconductor cross reference book engineers of howard w. Transistors substitutionsequivalents all about circuits. St03n high voltage fastswitching npn power transistor features high voltage capability low spread of dynamic parameters very high switching speed application 3 2 compact fluorescent lamps cfls 1 sot32 description the device is manufactured using high voltage multi epitaxial planar technology for high switching speeds and. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation.
Sunroc alj03 transistornpn features power switching applications maximum. High voltage capability,suitable switching speed,wide safety operating area. A transistor is a semiconductor that allows current to flow through it under certain conditions, and cuts current off when other conditions are present. The data sheet is very important for every engineers and technicians because it can help them to find the nearest replacement for the components that they are. Choosing transistor replacements electronics notes. Comply with the requirement of rohs compliant directive. Collector very high switching speed high voltage capability 1. Should you find any info that can fill in any of the blanks in the matrix below. Mar 10, 2009 all the substitution books i have seen have been highly unreliable. Theres usually application notes with example circuits that might help match an equivalent the divider resistors almost certainly set the output voltage, if theyre. I absolute maximum ratings parameter symbol ratings unit collectoremitter voltage vceo 400 v collectorbase voltage vcbo 600 v emitter base voltage vebo 7 v collector current ic 200 ma collector power dissipation. For example, the single most popular ecg and nte transistor, the 123ap, replaces thousands of different oem and industry standard part numbered transistors. Sbn02d sbn02d sbn02d sbn02d highvoltagefastswitchingnpnpowertransistor features symbol symbol symbol symbol 2. Maximum power, called p d, is the overall power a transistor can dissipate, through heat, without burning up.
Com is the biggest online electronic component datasheets search engine. Is there any webbased or stand alone program to do such service for transistors and ics. A wide variety of equivalent transistor options are available to you, there are 3,243 suppliers who sells equivalent transistor on, mainly located in asia. Its been more than 20 years since ive done electronic design and im sure ive forgotten nearly everything.
Sunroc alj03 transistor npn features power switching applications maximum ratingsta25. You can easily switch big, like great than 12 volt loads with this transistor s max 40 volt rating. The importance of transistor cross reference, datasheet, equivalent and specification. A wide variety of transistor 03 options are available to you, there are 593 suppliers who sells transistor 03 on, mainly located in asia. Heat sinks and fans increase the ability of a transistor to dissipate heat. All the substitution books i have seen have been highly unreliable. Could somebody please recommend me a equivalent transistor for this. The underlying concept is that each ecg, nte, or sk numbered device can replace a group of other semiconductors. Bipolar transistors database contain more than 46000 transistor data npn and pnp transistors. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by adrian michaels isbn.
Apr 28, 2014 download bipolar transistors database for free. Emitter general description this device is designed for high voltage, high speed switching characteristics required such as lighting system, switching mode power. Diode 1n9148 1n4307 1n4532 diode 1n3605 2n2222 chip 2n2369 transistor se708 ma1704 ma1703 text. Two transistors which will replace a multitude of common hard to get devices. Internal schematic diagram features high voltage capability low spread of dynamic parameters very high switching speed applications electronic ballast for fluorescent.
A to5 transistor with a p d of 3 watts might be able to dissipate 810 watts with a heat sink. Transistor equivalents for the substitution of modern transistors in elderly projects. A wide variety of 01 transistor options are available to you, there are 366 suppliers who sells 01 transistor on, mainly located in asia. For information on the operation and use of transistors in circuits please see the transistor circuits page. Transistors are commonly used as either a switch or a current amplifier. If this is not possible, either because the markings are not visible, or the data cannot be found, then not all is lost. Everyday low prices and free delivery on eligible orders. Npn transistor bc547 as a diode application note tda5142 r27 transistor bc547 mosfet current limiter r17a transistor t bd438 equivalent equivalent transistor bc547 text. Transistors amplify current, for example they can be used to amplify the small output current from a logic ic so that it can operate a lamp, relay or other high current device. So is it safe to assume that its also npn transistor. Suitable for lighting, switching regulator and motor control absolute maximum ratings description symbol value vcbo 600 collector base voltage vceo 400 collector emitter sus voltage vebo 9. Now i have a purpose and want to start with a list of general purpose, readily obtainable transistors for small signal audio. Npn epitaxial silicon transistor absolute maximum ratings ta25c unless otherwise noted electrical characteristics ta25c unless otherwise noted hfe classification symbol parameter ratings units vcbo collectorbase voltage 400 v vceo collectoremitter voltage 400 v vebo emitterbase voltage 7 v ic collector current 100 ma pc collector. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34.
Pc max ucb max uce max ueb max ic max ft max cctip pf hfe tj euro equivalent, usa equivalent, ussr equivalent, japan equivalent. 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. This page covers practical matters such as precautions when soldering and identifying leads. Is there any website which could help me find an equivalent transistor. These transistors are subdivided into one group according to its dc current gain. High voltage fastswitching npn power transistor stmicroelectronics. Select a replacement transistor with equivalent ft. Sn76477 2n4401 free transistor equivalent book semiconductor data handbook mj802 2n3866 s2p tis43 bc149c xr2206. Sbu03bd high voltage fastswitching npn power transistor features symbol very high switching speed 2. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Ecg, nte, and sk are lines of universal replacement semiconductors. Some circuits refer to it but no locateable so far data sheets and an early 1970s selector guide book of.
T switching times note in resistive switching circuits, rise, fall, and storage times have been defined and apply to both current and voltage. Internal schematic diagram features high voltage capability low spread of dynamic parameters very high switching speed applications electronic ballast for fluorescent lighting cfl smps for battery charger description. High voltage fastswitching npn power transistor datasheet production data figure 1. Cross reference universal transistor reference page 1. All electronic repairers should know how to read the transistor cross reference equivalent book if they want to succeed in electronic repairs. Alj03 datasheet, equivalent, cross reference search. Common types include bjt transistors, rf transistors, darlington transistors, and mosfet transistors. Is there anything available to see if a particular transistor can be replaced with a different one. Npn general purpose medium power amp and switch with continuous collector current up to 500ma. On special request, these transistors can be manufactured in different pin configurations. St03 datasheet, equivalent, cross reference search. By small signal i mean amplifying microphone output. And its a 01 s 8d, and the second transistor is, s9014 c331. Transistor diode capacitor displays connectors sensor if you cant search it here, nowhere else in the world.
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. The top countries of supplier is china, from which the percentage of transistor 03 supply is 100% respectively. To220 plastic package o absolute maximum ratings ta 25 c parameter symbol value unit collector base voltage vcbo 600 v collector emitter voltage vceo 400 v emitter base voltage vebo 9 v co. Transistor equivalents for the substitution of modern. Unisonic technologies, 03bs, npn silicon bipolar transistors for. I keep looking for equivalent transistors, and sometimes find a website that gives a list equivalent transistor. Mje16106 tip73b tip74 tip74a tip74b tip75 tip75a tip75b tip75c 2n6488 bd9 equivalent transistor transistor 2sa1046 motorola transistor cross reference transistor equivalent book 2sc2073 transistor 40251 transistor replacement guide transistor bd610 pin configuration transistor bd140 transistor equivalent book 2sc2238 st t8 3580. Its current rating is only 200ma, but that is enough for most relays. If a bipolar transistor is used the collector current ict is mainly, of the tda5142 switches between va and gnd. Youll learn to identify a transistor, understand the information described in a transistor datasheet, and learn the symbols used to identify the type of transistor. Smallsignal transistors replacement list bc337a bc337 equivalent type bc338 bc337 bc33816 bc33716 bc33825 bc33725 bc33840 bc33740 bc36816 bc63516 bc36825 bc63516 equivalent type bc547a bc546a bc548 bc547 bc548a bc546a bc548b bc547b bc548c bc547c bc549 bc547b bc549b bc547b bc550 bc547b bc550b bc547b bc557a bc556a bc558 bc557 bc558a. Jan 16, 2014 is there anything available to see if a particular transistor can be replaced with a different one.
Does anyone know where the site is that you type in a transistor and get a list of equivalent transistor. For instance i want to replace bc106 and 2n3634 with others that act the same. You are far better off understanding the specifications, particular those of particular interest to your application, and using a book or table of specs to find a proper substitute, or posting on sites like aac for help choosing. Transistors are solidstate electronic devices used to control the flow of electricity in electronic equipment and consist of a semiconductor material with at least three electrodes for connection to a circuit. Emitter built in freewheeling diode general description this device is designed for high voltage, high speed. The links at left may help you to research your own replacement transistors. Mje 03 datasheet, cross reference, circuit and application notes in. Pn100 npn multireplacement transistor jaycar electronics. International transistor equivalents guide bernard babani. 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. I have a circuit that uses bc106 and 2n3634, which cant find in store where i live.
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