Bd140 pnp transistor complementary npn, replacement, pinout, pin. The bd140 transistor might have a current gain anywhere between 40 and 250. Alternative transistor to bd9 i can get from maplins all. I thought of this idea, tried it, and then realized its actually rather common practice to do this. 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. With thousands of new parts added, you are now able to cross references over 700,000 industry part numbers. Bd npn silicon transistor sgsthomson preferred salestype npntransistor application generalpurposeswitching description the bd is a silicon epitaxial planar npn transistor in jedec sot32 plastic package. Cross reference universal transistor reference page 1. Theyre critical as a control source in just about every modern circuit. The gain of the bd140 10 will be in the range from 63 to 160, bd140 6 ranges from 40 to 100, bd140 16 ranges from 100 to 250. Transistor and diode data books for design engineers a useful addition to. Applications general purpose power applications, e. A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
Bd140 transistor pinout, equivalent, uses, features. Cross reference transistor bipolar download as pdf file. I m doing my project on automatic low power emergency light. Bc516 similar mpsa65 or 66 bc517 similar mpsa or 14 a bf256a is similar to a bf244 or 245. Choosing transistor replacements electronics notes. Jan 16, 2014 is there anything available to see if a particular transistor can be replaced with a different one. Unfortunately, the very nice and helpful guy at the shop says he knows all about resistors, capacitors, and diodes, but not about transistors. These were made by etching depressions into an ntype germanium base from both sides with jets of indiumiii sulfate until it was a few tenthousandths of an inch thick. Bd5 bd6 bd9 bd140 complementary low voltage transistor features products are preselected in dc current gain application general purpose 1 2 3 description sot32 these epitaxial planar transistors are mounted in the sot32 plastic package.
Everyday low prices and free delivery on eligible orders. Second book of transistor equivalents american radio history. More than 490,000 part numbers, type numbers, and other identifying numbers listed. Books, the internet, and a whole lot of experimenting. St microelectronics 0c695lq7ut3hjriqzff0kfs5i8wy datasheet pdf. Order this document motorola by bd6d semiconductor technical data bd6 bd8 plastic medium power silicon bd140 pnp transistor bd14010. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit. 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. I had a bit of a look around on the net and didnt find any quick easy sources. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. The complementary npn transistor to the bd140 is the bd9. Overview bd140 medium power pnp transistor designed for use as audio amplifiers and drivers utilizing complementary or quasi. Bc107 equivalent electronics forum circuits, projects. It says it must be cooled but its a to216 sot32 format which is difficult to heatsink.
Pricing and availability on millions of electronic components from digikey. If ordered before 12pm super fast delivery limited areas. This pair of transistors will buffer the signal from q3s collector, and provide a high gain as the signal goes to the final stage. Alternative transistor to bd9 i can get from maplins. The other transistor functions as pre amplifiers for the driver stage. Bd140, bd140 datasheet, bd140 pnp power transistor datasheet, buy bd140 transistor.
The smd version of the bd140 is available as the bcp53 sot223. A bc547 has the same chip but in a modern epoxy case and its allowed thermal power is double the bc107. Transistor equivalent book 2sc2238 free download as pdf file. Bc557 transistor introduction the world of electronic parts. Bd140 medium power pnp transistor designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits image shown is a representation only. Irf520p to220 nchannel power mosfet rf final and en369dr companion part. Q11 is a common collector and q12 is a common emitter. Apr 05, 2008 it has been very useful for me because it doesnt provide only the nte replacements. This transistors sole function is to convert 26vdc coming off one side of a bridge rectifier to volts.
They are particularly designed for audio amplifiers and switching applications 1 a. Bd9 2n4923 bd140 2n4920 the rest didnt have equivalents. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Both types were registered by motorola semiconductor in the mid1960s. Download ic database equivalent guide 100 thousand. Its max vceo is 45v, its max current is only 100ma and its hfe is from 125 to 500 at 2ma. This book presents technical data for motorolas broad line of silicon power. Free and are rohs compliant maximum ratings rating symbol value unit collector. The complementary npn transistor vs the 2n3906 is the 2n3904. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. The capacitor c1 controls low frequencies and capacitor c2 controls high frequencies.
Package demensions 2000 fairchild semiconductor international rev. A complete guide to semiconductor replacement and substitutions from the makers of photofactr service documentation. As this book contains many thousands of transistors, it has been necessary to use. International transistor equivalents guide bernard babani. Bd68140 pnp epitaxial silicon transistor absolute maximum ratings tc25c unless otherwise noted electrical characteristics tc25c unless otherwise noted pulse test. Is there a transistor comparison chart or database to be. Silicon pnp transistor this series of plastic, medium. How to use 2n3906 pnp transistor the world of electronic parts. Inquiry on european transistors equivalent to japanese. Text in other languages may differ dimensions whd incl. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Complementary low voltage transistor stmicroelectronics. A bc107 was an old ordinary little transistor in a metal case. Bc140 general purpose transistors description the bc140 and bc141 are silicon planar epitaxial npn transistors in to39 metal case.
Download book 200 transistor circuits talking electronics. 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. Pnp silicon transistor intended as af power amplifier. Bd6 bd8bd140 pnp silicon transistors sgsthomson preferred salestypes pnp transistor description the bd6, bd8 and bd140 are silicon epitaxial planar pnp transistors in jedec sot32 plastic package, designed for audio amplifiers and drivers utilizing complementary or quasi compementarycircuits. Bc557 transistor introduction the world of electronic. Bd140 stmicroelectronics discrete semiconductor products. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. How to use 2n3906 pnp transistor the world of electronic. Bd140 is a famous pnp type transistor, it is used in many electronics circuits, this transistor can handle current upto 1. Transistor npn bd140 bd6 transistor bd8 bd140 npn transistor pnp bd140 bd140 transistor bd140 bd140. A, february 2000 bd579 dimensions in millimeters 8. Order this document motorola by bd6d semiconductor technical data bd6 bd8 plastic medium power silicon bd140 pnp transistor bd140 10. Can anyone tell me which transistor in the maplins catalogue is equivalent to this bd9.
And this is how a basic pnp transistor circuit works. A voltage or current applied to one pair of the transistors terminals controls the current through another pair of terminals. The transistors 2n 3055 serves the function of driving the speaker. Pw350s, duty cycle2% pulsed hfe classificntion symbol parameter value units vcbo collectorbase voltage. The complementary pnp types are the bc160 and bc161 symbol. This new version contains many new nte devices, including all semiconductors added since the last update. All the part names for which the file 0c695lq7ut3hjriqzff0kfs5i8wy. Bd140 datasheet, equivalent, cross reference search. These transistors help to form the input differential stage of the amplifier. Description more info in stock package package qty. Plz if u knw abt it thenreply ur suggestions are welcome thank you. As discussed a transistor will act as an open switch during forward bias and as a closed switch during reverse bias, this biasing can be achieved by supplying the required amount of current to the base pin. Cl100 and ck 100 are medium power transistors suitable for awide range of medium voltage and current amplifier applications. Can anybody tell me what is the suitable alternative for bd140 transistor as i m not getting it.
Bd140, bd140 pnp power transistor, buy bd140 transistor. The first highfrequency transistor was the surfacebarrier germanium transistor developed by philco in 1953, capable of operating up to 60 mhz. Medium power linear and switching applications, bd140 datasheet, bd140 circuit, bd140 data sheet. When a transistor is used as a switch it is operated in the saturation and cutoff region as explained above. Ive identified a bad transistor in the power supply of an audio component, circa 1981. Power transistor substitution bd140 to tip32c all about. Pricing and availability on millions of electronic components from digikey electronics. In this tutorial well introduce you to the basics of the most common transistor around. Motorola power transistor substitution and cross reference guide. It has been very useful for me because it doesnt provide only the nte replacements. Fairchild, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Nte electronics has released the latest version of their popular cross reference software program, quickcross. Bd140 pnp transistor complementary npn, replacement.