Oc76 germanium transistor pnp 90110 hfe this item is currently out of stock. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. The 2n404 remains in use today by hobbyists and experimenters, primarily as an audio or general purpose transistor this modern usage is a fitting tribute to a classic germanium device, introduced over 50 years ago. Transistor semiconductor history texas instruments rca bell laboratories western electric general transistor fairchild tungsol sylvania mullard philips stc newmarket general electric philco gec motorola shockley faraday willoughby smith william adams richard day charles fritts braun schuster henry round jagadis bose greenleaf pickard alan wilson walter schottky boris davydov nevill mott. Buy online discounted oc series transistors from silicon. Liven up your fuzz face, pimp your fuzz factory, wrangle your rangemaster. High voltage 75v video amplifier for transistor tvs. Valve tube and transistor with informationprojects and technical help. The ap22b provides a power good pg signal to indicate if the voltage.
These can occasionally be found on ebay, usually advertised as germanium devices. The website currently stores information datasheets, and cross references on over 100 million parts from 7500. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical. Uk vintage radio repair and restoration transistor faults. 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. Oc45 transistor germanium oc45 silver this is a demo store. Datasheet archive tesla datasheets oc70 oc71 oc72 oc75 oc76 oc77 oc169 oc170 101nu70 102nu70 103nu70 104nu70 105nu70 106nu70 107nu70 101nu71 102nu71 103nu71 104nu71 152nu70 153nu70. Applies to shipments to germany with our standard courier service dhl when paid via paypal, credit card or lastschrift. While silicon transistor by the nature have much more gain.
Oc71 germanium small signal transistors oc76 oc75 oc76 oc75 asy76 asy77 asy80 oc72. Toshiba transistor silicon npn epitaxial type 2sc2878. Oc76 germanium transistor pnp 90110 hfe build your. It seems stock of these is rapidly dwindling worldwide. Bc372, bc373 high voltage darlington transistors npn silicon features pb. The oc44 transistor was also a good performer, really drove the amp or overdrove it, i should say, i just think its tone would serve better as an overdrive, so thats wot ill use it for.
Oc45 transistors 30 in stock to buy, photo, pdf datasheet. Oc76 germanium transistor pnp 90110 hfe build your own clone. Philips described its pointcontact transistors in general terms as follows. 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. Datasheet identification product status definition advance information formative or in design this datasheet contains the design specifications for product development. Mullard soon switched to using the bc prefix for silicon, and ac for germanium, eliminating the confusion. These models are very fragile, sensible to static electricity, and therefore to avoid. Sn76477 2n4401 free transistor equivalent book semiconductor data handbook mj802 2n3866 s2p tis43 bc149c xr2206 application notes lm1. Ok, so there is some really weird stuff here, but if you have been hunting for weeksand you see it here wow, then thats job done. Anyway, the problem with these transistors is not the germanium itself rather, its the package the transistors are mounted in. Buy online discounted oc series transistors from siliconark. Where you to open it up, you would find that the encapsulation surrounding the transistor contains silicone grease and an air space inside the metal can.
One of the larger surfaces of this germanium slab is soldered on to a metal carrier and thus. There is no listed equivalent to the af118 and where replacement is needed for an old transistor tv, it may be necessary to rejig the circuit to take a suitably rated silicon device. C373 datasheet, c373 pdf, c373 data sheet, datasheet, data sheet, pdf. Rangemaster treble booster clone, freaking awesome. The ap22b series have features of large current, low dropout voltage, high output voltage accuracy, low input voltage. Toshiba transistor silicon pnp epitaxial type pct process 2sc1959 audio frequency low power amplifier applications driver stage amplifier applications switching applications. Any orders placed through this store will not be honored or fulfilled. Ac128 germanium transistors transistorsics lowleakage pnp germaniums perfect for all your fuzzy desires. Fully tested with a peak atlas dc55 and sorted for gain, compensating for leakage. Absolute maximum ratings description symbol bc109 unit power dissipation at ta 25c derate above 25c pd 0. Oc76 datasheet, equivalent, cross reference search.
The 2n404 continued to be available throughout the 1960s70s. Emitter voltage bc372 bc373 vceo 100 80 vdc collector. Oc76 datasheet, cross reference, circuit and application notes in pdf format. Oc71 oc7x germanium small signal transistors components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. 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. For the pointcontact transistor a small slab of ntype germanium consisting of a single crystal and having a volume resistivity of 5. Bc32725 transistor pnp 45v 800ma to92 fairchild semiconductor datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. Af126 germanium pnp transistor by telefunken,download af126 datasheet. Irc the transistor instruction manual pdf download. The case drawings are shown at the bottom of the page. C380 datasheet, c380 pdf, c380 data sheet, datasheet, data sheet, pdf. Diodes and transistors pdf 28p this note covers the following topics.
Jun 15, 2015 one may cite them here as early germanium high frequency transistors, designed for frequency modulation receivers. Xray view of germanium transistors oc44 mullard black glass. Mullards first silicon transistors were the oc201 to oc207, pnp alloy types using the standard so2 metaloverglass construction such as the oc201 shown. Germanium transistors the following table lists the parameters for germanium transistors. The to7 encapsulation has a 4th lead that is connected to the metal can, and this is usually connected to ground so that the transistor inside is screened. Delivery times for other countries and shipping methods can be found on our shipping information page. Oc75 datasheet, equivalent, cross reference search. Uk vintage radio repair and restoration transistor. A site for the novice or established collectorrestorer of vintage radio sets and electronics.
The datasheet archive is a large free resource for electronic component datasheets and scanned data books. Or if you know the transistor you need then simply type the first 4 or digits in the above search box. This is where you will find all the transistors specifically in the oc series i. The following diagram and paragraph are taken from the book electronic classics written by andy emmerson. Toshiba transistor silicon pnp epitaxial type pct process 2sc1959 audio frequency low power amplifier applications driver stage amplifier applications switching applications excellent hfe linearity. View and download irc the transistor instruction manual online.
Preliminary first production this datasheet contains preliminary data, and supplementary data will be published at a. Copy your list of part numbers from any document and paste them in the text box below. They have a fourth connection, enabling the housing of the transistor to be connected to ground. The company launched an ambitious effort to digitize thousands of obsolete data books and technical manuals, making them searchable via their datasheet archive website. Sn76477 2n4401 free transistor equivalent book semiconductor data handbook mj802 2n3866 s2p tis43 bc149c xr2206 application notes lm1 siemens transistor manual text. Toshiba transistor silicon pnp epitaxial type pct process.
Cases gec mazda stc aei hivac newmarket texas transistors. Low power bipolar transistors bc109 series page 250512 v1. An ever growing selection of both silicon and germanium bipolar transistors. The cause of death or fault mechanism is rather interesting. Ac122 datasheet germanium small signal transistors. Tube oc 76 or rohre oc76 id33807, transistor, wires and universal shown. Specifications may change in any manner without notice. Transistor museum store 2n404 historic germanium computer. Transistors made of germanium a semimetallic element produce a warm, rich, and extremely dynamic sound. Transistor silicon npn epitaxial type pct process high frequency amplifier applications.
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