Germanium pnp transistor datasheet pdf

The nte2 is a germanium pnp power transistor in a to36 type package designed highpower, highgain applications in highreliability industrial equipment. Rft transistor gd244 datasheet germanium pnp transistor gd244 75v 3a datasheet oem rft source. Rft datenbuch germanium transistoren 7172 datasheet rev. Im working on a guitar pedal that calls for a ac germanium pnp transistor and i was wondering why i might not want to just get a modern equivalent. Ac124 ac1xx transistor bipolar 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. The nte121 is a germanium pnp alloy junction transistor in a to3 type package designed as an audio frequency power output amplifier. Nte121 germanium pnp transistor audio frequency power. Germanium transistors the following table lists the parameters for germanium transistors. The equivalent classa bias for silicon devices is 0. Pnp transistor tutorial the bipolar pnp transistor. However, since the emitter, base, and collector in the pnp transistor are made of materials that are different from those used in the npn transistor, different current carriers flow in the pnp unit.

Let us consider the two examples of pnp transistors 2n3906 and pn2907a, shown in the images above. In the seventies, the superior silicon devices began to take over the hobby market. Identifying the terminals of a transistor requires the pin diagram of a particular bjt part. Af9 pdf, af9 description, af9 datasheets, af9 view. Nte121 germanium pnp transistor audio frequency power amplifier. But many people to this day favor germanium transistors in fuzz pedals because of their tone, and because they want to recreate fuzz tones of their favorite players who used germanium fuzzes. Ge transistor manual 3rd edition american radio history. Ideal for your switching and amplification applications, with package options such as our ultra small leadless housing sot883 making them an excellent choice for compact designs. St 2sb1561u pnp silicon epitaxial planar transistor medium power transistor absolute maximum ratings ta 25. The ac128 is a great sounding germanium transistor but if you buy many of them, there will be a large number left. Jul 15, 2016 ad149 datasheet vcbo 50v, pnp transistor valvo, ad149 pdf, ad149 pinout, ad149 manual, ad149 schematic, ad149 equivalent, ad149 transistor. Siemens pnp germanium rf transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Mar 21, 2019 ac188k germanium transistor pnp tungsram if the item comes direct from a manufacturer, it may be delivered in nonretail packaging, such as a plain or unprinted box or plastic bag.

Germanium pnp alloy junction transistor, 2sa52 pdf etc, 2sa52 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete. Af126 datasheet pdf 6 page siemens semiconductor group. Af9 datasheet, af9 datasheets, af9 pdf, af9 circuit. Do connect the replacement transistor or diode the right way round firs t time. This project originated as an experiment in how to use the germanium transistors that are left over when sorted for leakage and gain. Features, 76 a2n3 germanium for speifications, see 2n350a data. Ac128 transistor datasheet pdf ac datasheet pdf download germanium small signal transistors, ac data sheet. Pnp germanium transistor for highvoltage, audiofrequency applications. Build germanium transistor projects with silicon transistors. Aug 24, 2019 ac datasheet pdf germanium small signal transistors gpd optoelectronic devices at the current specified in the datasheets. Mils1950051e amendment 1 1 hay 1985 military specification semiconductor device, transistor, pnp, germanium, lowpower type 2n466 this amendment forms a part of military specification mils1950051e, dated march 1972, and is approvedfor use by all departments and.

Bfu730f npn wideband silicon germanium rf transistor. Asz16 datasheet118 pages etc1 germanium pnp transistor. Nkt275 germanium transistors pnp datasheet, nkt275. Af126 datasheet611 pages siemens germanium pnp transistor. Quick reference data 1 tsp is the temperature at the solder point of the emitter lead. Ac188k germanium transistor pnp tungsram if the item comes direct from a manufacturer, it may be delivered in nonretail packaging, such as a plain or unprinted box or plastic bag. Message 6 datashret pnp transistor help posted by vilaemail in transidtor just wondering dagasheet you all go about buying germanium transistors in bulk. Ac datasheet, ac pdf, ac data sheet, datasheet, data sheet, pdf, gpd.

Germanium, transistors semiconductor available from. Free packages are available maximum ratings rating symbol value unit collector. To3 pnp bipolar transistors bjt are available at mouser electronics. Nkt275 germanium transistors pnp datasheet, nkt275 germanium transistors pnp pdf, nkt275 germanium transistors pnp datenblatt, nkt275 germanium transistors pnp funtion, schematic, pinouts, ic, chip, diode, capacitor, relay, igbt, resistors, module. Nkt275 germanium transistors pnp datasheet, nkt275 germanium. A properly biased pnp transistor the pnp transistor works essentially the same as the npn transistor. The resistor is unnecessary for the emitterfollower pnp transistors the base will just draw as much current as it requires, and usually the gpio will provide enough resistance that the transistor wont decide to sing at vhf frequencies. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. Siemens transistor af280 datasheet germanium pnp transistor af280 uhf transistor 20v 10ma datasheet oem siemens source.

Silicon pnp transistor for use in driver and output stages of audio frequency amplifiers, b564 pdf download nec renesas technology, b564 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. It is not hifi and i would not recommend it for design into a new commercial product. Germanium pnp transistor, 2sb492san loging electronics. Valvo transistor asz18 datasheet germanium pnp transistor asz18 100v 10a datasheet oem valvo source. The official ecommerce division of nte electronics, inc. Ac128 datasheet, equivalent, cross reference search. Complementary low voltage transistor stmicroelectronics. The column marked case is the outline of the transistor case. Return with us now to the halcyon days of germanium germanium transistor projects intrigued experimenters from the early days in the 1950s until the early 1970s. Nte2 germanium pnp transistor high power, high gain amplifier. For classa operation, germanium devices require a nosignal bias of 0. For smallsignal npn devices, substitute a 2n2222a silicon transistor.

Af126 datasheetpdf 6 page siemens semiconductor group. 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. Nte126 germanium mesa transistor, pnp, for highspeed switching applications maximum ratings. Pnp germanium alloy junction power transistor, 2n540a pdf download new jersey semiconductor, 2n540a datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. Asz16 datasheet pdf list of unclassifed manufacturers. In this tutorial we will talk about the pnp transistors.

Germanium pnp transistor audio frequency power amplifier description. If you find a product of interest without a calibration version, our customer support will be more then helpful to clarify this topic for you. Although i do not play guitar, there is a forum called diyaudio, maybe they have some germanium transistor spice models for this particular type of fuzz simulation. The nte1 pnp and nte155 npn are germanium pnp alloy junction transistors in a japanese to66 type package designed for use in audio power amplifier applications. Transistor pnp germanium 32v 1a to1 medium driver package quantity.

To cause the base current to flow in a pnp transistor the base needs to be more negative than the emitter current must leave the base by approx 0. Most germanium transistor production ceased in the 1970s in favor of silicon which are more stable, consistent, have higher gain, and lower leakage. Ad149 datasheet vcbo 50v, pnp transistor valvo, ad149 pdf, ad149 pinout, ad149 manual, ad149 schematic, ad149 equivalent, ad149 transistor. May 02, 2020 ac128 transistor datasheet pdf ac datasheet pdf download germanium small signal transistors, ac data sheet. For smallsignal pnp devices, substitute a 2n3906 or 2n2907 silicon transistor. Motorola 2n59 pnp germanium power transistor motorola new old stock to3 case, gold leads vcbo. Germanium mesa transistor, pnp, for highspeed switching applications maximum ratings. There are two types of bjt npn and pnp transistors.

Valvotransistor asz16datasheetgermanium pnp transistorasz1660v 10adatasheetoem valvosource. Asz16 datasheet, asz16 datasheets, asz16 pdf, asz16 circuit. Etc1 germanium pnp transistor,alldatasheet, datasheet, datasheet search site for electronic. 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. Ac datasheet pdf germanium small signal transistors gpd optoelectronic devices at the current specified in the datasheets. Parameter symbol value unit collector base voltage vcbo 60 v collector emitter voltage vceo 60 v emitter base voltage vebo 6 v collector current dc ic 2 a collector current pulse 1 icp.