Since the early 2000s, the 2n3055 transistor has been heavily targeted by counterfeiters, who substitute much smaller silicon. Control the flow of electricity in your electronic equipment. Alright so i am making a flyback transformer driver, however, in the schematic it asks for a 2n3055 transistor. Utc 2n3055 silicon npn transistor silicon npn transistors the utc 2n3055 is a silicon npn transistor in to3 metal case. If you used tip120 transistors instead, you could drive them directly from ttl. Here, the circuit below is the example circuit for the sl100 transistor. It was introduced in the early 1960s by rca using a hometaxial power transistor process, transitioned to an epitaxial base in the mid1970s. Pdf 2n3055 2n6576 2n6577 2n6578 tip73b tip74 tip74a tip74b tip75 mje15033 replacement bd262 darlington 2sb554 replacement 2sc1079 replacement 2sd323 2n6254 replacement bd262a darlington 2n3055 replacement 2sc10 replacement mj2955 replacement. In this circuit, we are turning on an led by giving the supply voltage of 9v.
I have looked at several datasheets and tried to identify differences in specs, from one manufacturer to another. You can add any dc load in replacement of the led according to the supply voltage. Builders are advised to leave sufficient room around heat sink for air circulation. The device is designed for general purpose switching and amplifier applications. The characteristics and approximate specifications of 2n series discrete transistors are generally the same between different manufacturers when trying to decide which transistor you need, take into consideration the following. The 2n3055 is rated for 6amps i believe and its mounted on a small heat sink but is running fairly hot. Please note that shipping charges are estimated and do not take into account multiples, oversized packages or. For the best answers, search on this site mosfets are a type of transistor but they dont function like a bijunction transistor, like the 2n3055. Transistor datasheet, transistor pdf, transistor data sheet, datasheet, data sheet, pdf. The soa of the old hometaxial 2n3055 is what sets them apart from a standard 2n3055. So i thought it might be a good idea to have a single posting, dedicated to this one transistor. Semiconductor technical data order this document by 2n3055 d motorola, inc. The 2n3055 transistor, like all transistors, is essentially an electronic switch. International customers are responsible for all duties, taxes, and tariffs.
Hi all, i have a joule ringer circuit setup using a 2n3055 transistor and its pulling around 1amp with 2 7. Page 2 of 4 electrical characteristics t ambient25. Replacement for 2n3055 and driver high gain darlington performance builtin diode protection for reverse polarity protection can be driven from lowlevel logic datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Preferred devices are motorola recommended choices for future use and best overall value. Choosing transistor replacements when repairing a circuit, or even building a new one it is often not possible to find the exact electronics component we tell you how to choose a suitable replacement. Electronic surplus still has lots of the old 2n3055h hometaxial transistors in stock, but if youre looking to source some newer replacement transistors, take a look at the mj15015 from on semi. These transistors are used with diodes and semiconductors for letting electricity flow in a certain direction. Posted on september 26, 2018 september 6, 2019 by pinout. The 2n3055 transistor is as common as weeds in a vacant lot, much like the 2n2222. The basic application range include power switching, high fidelity amplification, shunt regulation, and forming the output stages of various power circuits. Though t1 in the diagram shows a tip 33 transistor, it can be easily replaced by a 2n3055 transistor, which will also make the circuit capable of handling higher loads.
I would like to balance the load using multiple transistors. The complementary pnp transistor to the 2n3055 is the mj2955. 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. A transistor multimeter can tell you how much current or voltage goes through a transistor in a circuit. Because the 2n3055 is a bipolar junction transistor, its three terminals are called the base, the collector and the emitter. Like any other transistor 2n3055 has three pins namely emitter, base and collector.
Diodes and transistors pdf 28p this note covers the following topics. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits. Ive built power supplies using the lm317 chip regulator, and pnp wraparound pass transistors, with a fraction of the component count of the venerable 723 circuit. Get the best deals on motorola transistors when you shop the largest online selection at. The 2n3055 is a npn epitaxialbase planar transistor that normally comes encapsulated in a metal jedec to3 package. Aug 11, 2010 as i have read tons of postings here, i keep reading about the 2n3055 and trying to find a solid replacement. Ltd1qwr205003,asilicon npn transistorsthe utc 2n3055 is a silicon npn transistor in to3metal case. Bottom view of power supply shows how 2n3053 transistor is mounted on terminal board together with all the small components of the circuit. Internal schematic diagram october1995 absolute maximum ratings symbol.
It is intended for power switching circuits,series and shunt regulators, output stages and high fidelityamplifiers. A wide variety of transistor 2n3055 options are available to you, there are 1,291 suppliers who sells transistor 2n3055 on, mainly located in asia. Semiconductor transistor, diode, ic cross reference. Complementary silicon power transistors aredesigned for.
I just reversed the polarity of power supply the transistors. Guide to 2n series transistors approximate specs and characteristics. A datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. It is intended for power switching circuits, series and shunt regulators, output stages and high fidelity amplifiers. 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. These devices can also be used in power switching circuits such as converters or inverters. Its designed to match the 2n3055, but with a larger safe operating area. The 2n3055 transistor has a power dissipation of 115w. Unfollow 2n3055 transistor to stop getting updates on your ebay feed.
In order to get the transistor pretty well saturated with an ic of 2. Ttc5200 and tta1943 transistor for amplifier circuit diagram, how to make amplifier. Looking through the datasheets for the various on semi transistors, it looks like the best replacement for the 2n3055 is the mj15015. How to check a transistor with a digital multimeter. Plate 2 2n3055 transistor switch must have predriver. However, the transistors data sheet will show you that. In some side notes the person said that instead they used a 2n6673 npn power transistor. Jan 24, 20 for the best answers, search on this site mosfets are a type of transistor but they dont function like a bijunction transistor, like the 2n3055.
Choosing transistor replacements electronics notes. Oct 26, 2019 hello guys, this is a class a amplifier circuit using transistors 2n3055 and c2073 paired darlington, the circuit for quite a high amplification factor gives extremely powerful sound. Anyway, the point was that the 2n6673 looks to me like a good replacement for the 2n3055. I was wondering, would just any power transistor work. Pnp transistors will be red ink, npn transistors will be black ink. Power bipolar transistor, 15a ic, 60v vbrceo, 1element, npn, silicon, to3, metal, 2 pin quick specs pdf datasheet. A voltage applied through a resistor to the base can control the current flowing from the collector to the emitter. The low hfe of 20 means we require a baseemitter current of at least 500ma far above the limit of most microcontroller io pins limited to. The fact that the original part was a 2n3055, which is a relatively low voltage device, says to me its not a crt flyback application unless its driving the primary side and has snubber clamps to protect the voltage. Sl100 transistor pinout, specifications, equivalent.
Diy amplifier darlington 2n3055 transistor extremely powerful. Click on an alternate part number to view part details, or select up to 4 parts to compare sidebyside. Therefore, it is important to refer to the datasheet for the exact part number and. Replacement and equivalent transistor for the 2n3055. Datasheet for 2n2222a hireliability equivalent pdf by microsemi. The 2n3055 is a silicon npn power transistor intended for general purpose applications. Power bipolar transistor, 15a ic, 60v vbrceo, 1element, npn, silicon, to204aa, metal, 2 pin quick specs pdf datasheet. The 2n3055h is a silicon power base transistor for high power audio, seriespass power supplies, diskhead positioners and other linear application. Bu108 driver ignition coil ignition coil drivers ignition control 2n3055 transistor replacement guide 1n4933 equivalent bd5 transistor replacement guide 2n2222 npn transistor footprint bu326 text. I show how to test a 2n3055 power transistor using a digital multi meter. Semiconductortransistor crossreference list peavey. Inchange semiconductor product specification silicon npn power transistors 2n3054 2n3054a description with to66 package applications designed for general purpose switching and amplifier applications pinning see fig.
Identify symptoms when you need to check or replace these elements. The 1967 rca transistor manual, sc, did not mention any measure of high frequency performance. Wiring up two 2n3055 transistors all about circuits. The 2n2222, 2n2905, and 2n3055 devices, for example, which date back to the. This problem is illustrated in plate 2 with the 2n3055 driving a 10 amp dc motor. The 2n3055 is a silicon npn transistor in a to3 type case designed for general purpose switching. The characteristics and approximate specifications of 2n series discrete transistors are generally the same between different manufacturers.
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