Oc72 transistor datasheet booklet

Delivery times for other countries and shipping methods can be found on our shipping information page. Full text of electronics australia magazine 1973 see other formats. Smd code package device name manufacturer data datasheet. Discrete semiconductors data sheet book, halfpage m3d186 bc327 pnp general purpose transistor prod. Datasheets 2n7002, 2n7002dw, 2n7002k, 2n7002kw, 2n7002w, bcv71, bs870, bzx384b4v3, rt9818c30pvl. Toshiba transistor silicon pnp epitaxial type pct process. Oc72 signal transistors datasheet pdf provided by datasheet pdf search for oc72. Drift transistor definition and meaning collins english. Of course, after 40 plus years of life, most electrolytic capacitors are suspect and the carboncomposition resistors have drifted high and sometimes become very noisy.

Sola sound, hudson, mjm, lumpys tone shop, smitty, etc. Free packages are available maximum ratings rating symbol value unit collector. 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 from errors or omission. The 2n2857 lowpower npn transistor uses the to72 package as. Pdf oc169 350iu oc171 oc171 oc44 oc169 oc45 transistor oc44 2s60a the transistor manual 2sa ge transistor manual. Philips rebranded its oc71 and oc72 as oc and oc14 and announced these. Preferred devices are recommended choices for future use and best overall value. K72 smd databook electronic circuits, tv schematics, audio.

Marking of electronic components, smd codes c7, c7, c7. If youre building a fuzz pedal you may have a dozen pieces of a part number that sound great and another dozen of. Nos new old stock unmarked manufacturetested components. Oc76 germanium transistor pnp 90110 hfe build your own clone. One of my interests is restoring vintage transistor radios. 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.

Ac122 datasheet germanium small signal transistors. A wide variety of ac127 transistor options are available to you, there are 9 suppliers who sells ac127 transistor on, mainly located in asia. I cant find it in a online search other than some basic data. A description of the sites history is available on the web 14. Emitter voltage bc372 bc373 vceo 100 80 vdc collector. Oc72 datasheet, equivalent, cross reference search. The rca transistors and semiconductor diodes brochure from 1957 contains an introduction on semiconductor physics along with detailed specifications on germanium pnp transistors and a few semiconductor diodes 1n34a, 1n38a, 1n54a, and 1n58a, dimensional outlines, an interchangeability directory, and example. Cbspower transistor manual for the 2n155, 2n156 and 2n158 1957. In a search i have found some basic data for cross references however i do not know if these are correct substitutes. Applies to shipments to germany with our standard courier service dhl when paid via paypal, credit card or lastschrift. S72 smd databook electronic circuits, tv schematics, audio. Making a transistor radio parts list of course, if you had a time machine, you could visit the peter vis hardware mercantile store, and i will pack all of these items for you in a nice brown paper bag. Does anyone have a data sheet for the 2n281 germanium transistor in digital format or hard copy.

The column marked case is the outline of the transistor case. Tube oc 72 or rohre oc72 id33685, transistor, wires and poweroutput shown. Oc72 transistors 4 in stock to buy, photo, pdf datasheet. Oc45 transistors 30 in stock to buy, photo, pdf datasheet. Keywords, oc72, datasheet, pdf, gpd optoelectronic devices, oc7x, germanium, small, signal, transistors, c72, 72, 2, oc7, oc, o, equivalent, stock, pinout. Toshiba transistor silicon pnp epitaxial type pct process 2sc1959 audio frequency low power amplifier applications driver stage amplifier applications switching applications excellent hfe linearity.

Sensitive gate silicon controlled rectifiers reverse blocking thyristors, mcr728g datasheet, mcr728g circuit, mcr728g data sheet. Germanium transistors the following table lists the parameters for germanium transistors. The effects box was made famous by none other than eric clapton and a host of others even queens early sound was attributed here. Marking of electronic components, smd codes k7, k7, k70. Vintage mullard semiconductors andrew wylies watercolours pages. Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Signal transistors oc76 oc75 oc76 oc75 asy76 asy77 asy80 oc72. Sensitive gate silicon controlled rectifiers reverse blocking thyristors, mcr726g datasheet, mcr726g circuit, mcr726g data sheet. When testing a transistor with a screen lead such as the af117 series, check the resistance between the screen and each of the other leads. The image shows the oc71 glass case, painted black, with below it the oc72, a higher power type, achieved by slipping an aluminium can over the glass tube.

The case drawings are shown at the bottom of the page. Oc76 datasheet, cross reference, circuit and application notes in pdf format. Contains pinouts for connectors and information about how to build cables etc. Max2680 o high input thirdorder intercept point o 71 or rohre oc71 id33679, transistor, wires and audio frequency shown. Oc72 oc7x germanium small signal transistors components datasheet pdf data sheet free from datasheet data sheet search for. But the reliability and failure modes of vintage transistors is interesting, and is the subject of this article. With something as variable as transistors there is no blanket yes, good or no, bad answer. Uk vintage radio repair and restoration transistor faults. Mullard then developed a unique glass encapsulation, and in 1954 issued three new alloyjunction audiofrequency transistors, the oc70, oc71 and oc72. Bc372, bc373 high voltage darlington transistors npn silicon features pb. Any orders placed through this store will not be honored or fulfilled. Marking of electronic components, smd codes k7, k7, k70, k72, k7k.

Early low power transistors such as the oc72 were basically the same. Oc72 germanium pnp transistor in a classic so2 case aluminium cover over standard mullard glass test tubenote. The only npn transistors you are likely to encounter are in transformerless output stages. Max2680 o high input thirdorder intercept point o germanium transistor transistor germanium pnp 32v 0. Audio medium power types oc72 oc81d oc81 can be replaced with an ac128, a relatively high voltage, high current device. Cases gec mazda stc aei hivac newmarket texas transistors.

Lead 1 emitter, lead 2 base, lead 3 collector, lead 4 case electrically connected pnp switching transistor 2n4261. Transistor semiconductor history texas instruments rca bell laboratories. Transistor museum early germanium power transistor history by. The active elements terminals are electrically insulated from the case terminals 1.

Transistors made of germanium a semimetallic element produce a warm, rich, and extremely dynamic sound. The active elements terminals are electrically insulated from the case terminals 1, 2, and 3 are insulated from the case. Featured items newest items bestselling alphabetical. Transistor, npn, to18 bc109 transistor, npn, to18 bc109b transistor, npn, to18 bc109c important notice. Oc71 datasheet, equivalent, cross reference search. C380 datasheet, c380 pdf, c380 data sheet, datasheet, data sheet, pdf. C373 datasheet, c373 pdf, c373 data sheet, datasheet, data sheet, pdf. The 2n282 came standard with the copper cooling fin. Results included in this manual are representative of products stressed, and contain. If talking about the rangemaster, one has to mention the vintage oc44, a germanium pnp transistor, and the key device to retaining this excellent tone with boost. Oc76 germanium transistor pnp 90110 hfe build your own.