They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. Choosing transistors for radio frequency applications page 1. Pricing and availability on millions of electronic components from digikey electronics. Basic electrical wiring, electrical engineering books, electrical basic electrical. Unfortunately, the very nice and helpful guy at the shop says he knows all about resistors, capacitors, and diodes, but not about transistors. Buy stmicroelectronics bd9 npn transistor, 3 a, 80 v, 3pin sot32 bd9. The bd9 should preferably be selected for high gain to. The original lowsat 2sd882 was barely up to it, a bd9 will be lucky to last a couple of hours. Knowing how to substitute an alternate transistor type can speed up your.
Bd9 datasheet pdf vcbo80v, npn transistor st, bd9 pdf, bd9 pinout, bd9 equivalent, bd9 circuit, bd9 transistor, bd9 schematic. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Bd5 bd9 bd510 bd516 bd910 bd5 bd9 bd9 circuit diagram of bd9 circuit diagram of bd5 bd5 bd9 equivalent bd9 data sheet bd9 transistor bd9 datasheet bd9 npn transistor download datasheet. Functionally, this makes the nchannel jfet the solidstate equivalent of the vacuum tube triode which, similarly. Ive been trying to figure out how to select transistors for radio frequency circuits but not being able to find much information on the web.
Order this document motorola by bd5d semiconductor technical data bd5 bd7 plastic medium power silicon bd9 npn transistor. The complementary pnp types are the bd6 bd8 and bd140. Please practice handwashing and social distancing, and check out our resources for adapting to these times. How to choose a replacement for a bipolar transistor total. Connecting two or more transistors in parallel last updated on september 19, 2019 by swagatam 20 comments connecting transistors in parallel is a process in which the identical pinouts of two or more transistors are connected together in a circuit in order to multiply the power handling capacity of the combined parallel transistor set. Can anyone tell me which transistor in the maplins catalogue is equivalent to this bd9. Babsolute maximum ratingparametersymbolratings datasheet search, datasheets. Bd9 2n4923 bd140 2n4920 the rest didnt have equivalents. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable.
It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. The complementary pnp types are bd6 and bd140 respectively. Bd, silicon, power transistor, bd9, nte375, datasheet. Bd9 stmicroelectronics discrete semiconductor products. It has been very useful for me because it doesnt provide only the nte replacements. Bd9 transistor pinout com imagens componentes eletronicos. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. Cross reference universal transistor reference page 1. A voltage or current applied to one pair of the transistors terminals controls the current through another pair of terminals. The original transistor might need special ordering, or be discontinued and unavailable. The 5 amp 2sc2335 i recommended is a superb choice for low power inverters as a general replacement. Complementary low voltage transistor stmicroelectronics.
Bd9 npn power transistors 1999 apr 12 product specification. Bd9 stmicroelectronics bd9 npn transistor, 3 a, 80 v, 3pin. Transistor substitution desoldering and replacing a transistor takes very little time. More time is spent figuring out which one to replace and, sometimes, what to replace it with. Connecting two or more transistors in parallel homemade. Commonly available or preferred transistor substitutes. Bd7bd9 npn silicon transistor sgsthomsonpreferred salestypes description the bd5, bd7 and bd9 are silicon epitaxial planar npn transistors in jedec sot32 plastic package, designed for audio amplifiers and drivers utilizing complementary or quasi compementary circuits. Bd140 application circuits circuits bd9 transistor npn. Discrete semiconductors data sheet book, halfpage m3d100 bd5. Free and are rohs compliant maximum ratings rating symbol value unit 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. Inquiry on european transistors equivalent to japanese. Bd9 npn silicon transistors stmicroelectronicspreferred salestypes description the bd5 and bd9 are silicon epitaxial planar npn transistors in jedec sot32 plastic package, designed for audio amplifiers and drivers utilizing complementary or quasi compementarycircuits. Get the best deals on stmicroelectronics industrial transistors when you shop the largest online selection at. Npn epitaxial silicon transistor absolute maximum ratings tc25c unless otherwise noted electrical characteristics tc25c unless otherwise noted hfe classification symbol parameter value units vcbo collectorbase voltage. This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. Stmicroelectronics industrial transistors for sale ebay. Get the best deals on power transistor transistors when you shop the largest online selection at. The link below is going to bore you to the corebut bear with it. This article describes bd9 transistor pinout, equivalent, uses, features, applications, how and where to use this transistor in an electronic.
Alternative transistor to bd9 i can get from maplins. Description more info in stock package package qty. There are many radio circuits and plenty of guides of how to bias transistors and different amplifier configurations but not so much on selecting the right components for high frequency applications. Bc516 similar mpsa65 or 66 bc517 similar mpsa or 14 a bf256a is similar to a bf244 or 245. The 2n3055 should be epitaxialbase type with high f t preferably 4 mhz the 2 x tip3055 are a parallel pair with 0r1 emitter resistors. Bd9 is a npn transistor with a gain value of 40 to 160, this value determines the amplification capacity of the transistor. Silicon pnp transistor this series of plastic, medium. 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.
The gain of the bd9 6 will be in the range from 40 to 100, bd9 10 ranges from 63 to 160, bd9 16 ranges from 100 to 250. Stmicroelectronics bd9 bipolar transistor, npn, 80v 1 piece. Complete technical details can be found at the bd9 transistor datasheet provided at the bottom of this page. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical. Bd5 bd7 bd9 npn silicon transistors sgsthomson preferred salestypes description the bd5, bd7 and bd9 are silicon epitaxial planar npn transistors in jedec sot32 plastic package, designed for audio amplifiers and drivers utilizing complementary or quasi compementary circuits. It was used for a good number of years and contains thousands of types. Bd9 bd140 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.
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