Get same day shipping, find new products every month, and feel confident with our low price guarantee. The datasheet is printed for reference information only. Transistors and transistor mounting kits are instock at parts express. These can occasionally be found on ebay, usually advertised as germanium devices. Electronics component datasheets cmos cd4000 series. My electronics knowledge is getting better, i have been reading a lot, but i have lots of gaps and lack some basic knowledge, which im trying to pick up. Lecture 34 bipolar junction transistor may 2, 2007. On special request, these transistors can be manufactured in different pin configurations. Fairchild semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains specifications on a product that has been discontinued by fairchild semiconductor. Buy online discounted silicon and germanium transistors. The transistor is subdivided into four groups q, r, s and e.
For the radio constructor we have an archive of vintage circuits schematics to build. Oc75 datasheet, oc75 pdf, oc75 data sheet, oc75 manual, oc75 pdf, oc75, datenblatt, electronics oc75, alldatasheet, free, datasheet, datasheets, data sheet, datas. Pdf 2sb101 2sb102 2sb103 2sb104 2sb105 2sb106 2sb107 2sb107a 2sb108 2sb108a 2sb187 2sb186 2sb185 2sb178 oc59 datasheet of 2sb178 oc75 oc26 2t301 oc71 equivalent. Oc71 germanium small signal transistors oc76 oc75 oc76 oc75 asy76 asy77 asy80 oc72 text.
Anyway, the problem with these transistors is not the germanium itself rather, its the package the transistors are mounted in. Philips described its pointcontact transistors in general terms as follows. Click the button below to add the transistor the rangemaster mullard oc76 to your wish list. Others, shortform transistor pdf datasheet, scan, pdf. Oc75 transistor germanium oc75 mullard black red spot. Nte has a complete selection of semiconductor transistors including bipolar transistors, germanium transistors, darlington transistors. One of the larger surfaces of this germanium slab is soldered on to a metal carrier and thus forms the base. Complementary silicon power transistors stmicroelectronics preferred salestypes complementary pnp npn devices description the tip3055 is a silicon epitaxialbase planar npn transistor mountend in to218 plastic package. Silicon npn switching transistors stmicroelectronics. Oc75 asy26 germanium small signal transistors oc74 germanium power transistors germanium power oc77 2n1188 oc75 oc76. Tube oc 75 or rohre oc75 id33808, transistor, wires and audio frequency shown.
Mullards first silicon transistors were the oc201 to oc207, pnp alloy types using the standard so2 metaloverglass construction such as the oc201 shown. 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. Ap239 transistor 809 8c547 2n50b in2222a 6c1c radio ac176 ac126 sft353 2n2064 text. One river is triodes and transistors supplier,short lt of metal can packages transistors,fleld effect transistors,bipolar transistors,voltage regulators triode,multiunits transistors,digital transistor,strong brands. Valve tube and transistor with informationprojects and technical help. Currentvoltage characteristics of ideal bjt reading material. Complementary power transistors stmicroelectronics. Diodes,fairchild,inflneon,ir,littelfuse,nec,on,philips,st,toshiba smd diodes. Oc75 datasheet, equivalent, cross reference search.
Npn general purpose amplifier this device is designed as a general purpose amplifier and switch. 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. Transistors short lt,smd mosfet bipolar power metal can. Oc75 oc7x germanium small signal transistors components datasheet pdf data sheet free from datasheet data sheet search for. This publication supersedes and replaces all information previously supplied. A description of the sites history is available on the web 14.
They have a fourth connection, enabling the housing of the transistor to be connected to ground. C380 datasheet, c380 pdf, c380 data sheet, datasheet, data sheet, pdf. C utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values such as maximum ratings, operating condition ranges, or. The only npn transistors you are likely to encounter are in transformerless output stages. Transistors made of germanium a semimetallic element produce a warm, rich, and extremely dynamic sound. If you are not sure which lead is the collector and which one is the emitter, refer to the package the transistor came in or the specifications on the manufacturers website. A site for the novice or established collectorrestorer of vintage radio sets and electronics. Rangemaster germanium boost shootout different transistors. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Or if you know the transistor you need then simply type the first 4 or digits in the above search box.
For the pointcontact transistor a small slab of ntype germanium consisting of a single crystal and having a volume resistivity of 5. Reverse the probes and measure the resistance again. These models are very fragile, sensible to static electricity, and therefore to avoid. Uk vintage radio repair and restoration transistor.
Specification mentioned in this publication are subject to change without notice. Quality made reliable transistors from parts express brand. Mouser is an authorized distributor for many transistor manufacturers including diodes inc. Specifications mentioned in this publication are subject to change without. Max2680 o high input thirdorder intercept point o 75, transistor germanium pnp 32v 10ma 0. Since there were good specifications for the triodeconnected 6l6 in the tub manual, i ran. Semiconductor transistors, it is permissible to increase the. Oc75 germanium transistors transistors semiconductors. The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. Datasheet archive tesla datasheets oc70 oc71 oc72 oc75 oc76 oc77 oc169 oc170.
Free packages are available maximum ratings rating symbol value unit collector. Oc71, or oc75 using a transistor test board to measure their performance. Ac128 datasheet, ac128 pdf, ac128 data sheet, ac128 manual, ac128 pdf, ac128, datenblatt, electronics ac128, alldatasheet, free, datasheet, datasheets, data sheet. Mullard soon switched to using the bc prefix for silicon, and ac for germanium, eliminating the confusion. Oc71 datasheet, equivalent, cross reference search. Preliminary first production this datasheet contains preliminary data, and supplementary data will be published at a. It should read in the megaohm range for either direction. 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. Offering a matched set of three ac125 germanium pnp transistors for tone bender mkiimarshall supa fuzz. Ac122 datasheet germanium small signal transistors.
Oc76 datasheet, equivalent, cross reference search. Philipsmullards original semiconductor product lines were the oc series of germanium transistors and the oa and oaz series of germanium diodes. Anyway, i understand the concept of a transistor, how it can be used for switching and i have. Transistor the rangemaster mullard oc76 small bear. The transistors are from a sealed bag from the 1970s and are gain matched and checked for proper leakage with a peak atlas dc55. Specifications may change in any manner without notice. Npn silicon epitaxial planar transistor for switching and af amplifier applications. Buy online discounted oc series transistors from silicon. Datasheet identification product status definition advance information formative or in design this datasheet contains the design specifications for product development. Transistors are in stock with sameday shipping at mouser electronics from industry leading manufacturers. Do different transistors really sound different in rangemaster type.
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