Germanium pnp transistor datasheet pdf

Motorola 2n59 pnp germanium power transistor motorola new old stock to3 case, gold leads vcbo. Rft transistor gd244 datasheet germanium pnp transistor gd244 75v 3a datasheet oem rft source. 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. Af9 datasheet, af9 datasheets, af9 pdf, af9 circuit.

Valvotransistor asz16datasheetgermanium pnp transistorasz1660v 10adatasheetoem valvosource. In the seventies, the superior silicon devices began to take over the hobby market. 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. Identifying the terminals of a transistor requires the pin diagram of a particular bjt part. 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. 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. 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. 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 ac128 is a great sounding germanium transistor but if you buy many of them, there will be a large number left. Germanium transistors the following table lists the parameters for germanium transistors. Ac datasheet, ac pdf, ac data sheet, datasheet, data sheet, pdf, gpd. Most germanium transistor production ceased in the 1970s in favor of silicon which are more stable, consistent, have higher gain, and lower leakage. 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. This project originated as an experiment in how to use the germanium transistors that are left over when sorted for leakage and gain.

Germanium mesa transistor, pnp, for highspeed switching applications maximum ratings. Bfu730f npn wideband silicon germanium rf transistor. Free packages are available maximum ratings rating symbol value unit collector. Aug 24, 2019 ac datasheet pdf germanium small signal transistors gpd optoelectronic devices at the current specified in the datasheets. Ac128 datasheet, equivalent, cross reference search. The nte121 is a germanium pnp alloy junction transistor in a to3 type package designed as an audio frequency power output amplifier. Rft datenbuch germanium transistoren 7172 datasheet rev. Ad149 datasheet vcbo 50v, pnp transistor valvo, ad149 pdf, ad149 pinout, ad149 manual, ad149 schematic, ad149 equivalent, ad149 transistor. Nte126 germanium mesa transistor, pnp, for highspeed switching applications maximum ratings.

Germanium mesa transistor, pnp, for highspeed switching. Germanium, transistors semiconductor available from. It is not hifi and i would not recommend it for design into a new commercial product. 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. For classa operation, germanium devices require a nosignal bias of 0. 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. Pnp transistor tutorial the bipolar pnp transistor. 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. Af126 datasheet611 pages siemens germanium pnp transistor. For smallsignal pnp devices, substitute a 2n3906 or 2n2907 silicon transistor. 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.

Nkt275 germanium transistors pnp datasheet, nkt275. Germanium pnp alloy junction transistor, 2sa52 pdf etc, 2sa52 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete. A properly biased pnp transistor the pnp transistor works essentially the same as the npn transistor. Do connect the replacement transistor or diode the right way round firs t time.

To3 pnp bipolar transistors bjt are available at mouser electronics. Af126 datasheet pdf 6 page siemens semiconductor group. Nte121 germanium pnp transistor audio frequency power. 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. Germanium pnp transistor audio frequency power amplifier description. Jul 15, 2016 ad149 datasheet vcbo 50v, pnp transistor valvo, ad149 pdf, ad149 pinout, ad149 manual, ad149 schematic, ad149 equivalent, ad149 transistor. Nte2 germanium pnp transistor high power, high gain amplifier. Siemens transistor af280 datasheet germanium pnp transistor af280 uhf transistor 20v 10ma datasheet oem siemens source. May 02, 2020 ac128 transistor datasheet pdf ac datasheet pdf download germanium small signal transistors, ac data sheet.

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. St 2sb1561u pnp silicon epitaxial planar transistor medium power transistor absolute maximum ratings ta 25. Pnp germanium transistor for highvoltage, audiofrequency applications. Message 6 datashret pnp transistor help posted by vilaemail in transidtor just wondering dagasheet you all go about buying germanium transistors in bulk. Valvo transistor asz18 datasheet germanium pnp transistor asz18 100v 10a datasheet oem valvo source. 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 equivalent classa bias for silicon devices is 0. 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. Build germanium transistor projects with silicon transistors. 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.

There are two types of bjt npn and pnp transistors. 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. The column marked case is the outline of the transistor case. Ac128 transistor datasheet pdf ac datasheet pdf download germanium small signal transistors, ac data sheet. Af9 pdf, af9 description, af9 datasheets, af9 view. Quick reference data 1 tsp is the temperature at the solder point of the emitter lead. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. Let us consider the two examples of pnp transistors 2n3906 and pn2907a, shown in the images above. Ac datasheet pdf germanium small signal transistors gpd optoelectronic devices at the current specified in the datasheets. In this tutorial we will talk about the pnp transistors. For smallsignal npn devices, substitute a 2n2222a silicon transistor. Transistor pnp germanium 32v 1a to1 medium driver package quantity. The nte2 is a germanium pnp power transistor in a to36 type package designed highpower, highgain applications in highreliability industrial equipment.

Pnp germanium alloy junction power transistor, 2n540a pdf download new jersey semiconductor, 2n540a datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. Etc1 germanium pnp transistor,alldatasheet, datasheet, datasheet search site for electronic. Asz16 datasheet pdf list of unclassifed manufacturers. Ge transistor manual 3rd edition american radio history. Asz16 datasheet, asz16 datasheets, asz16 pdf, asz16 circuit. Nte121 germanium pnp transistor audio frequency power amplifier.

Germanium pnp transistor, 2sb492san loging electronics. 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. The official ecommerce division of nte electronics, inc. Features, 76 a2n3 germanium for speifications, see 2n350a data. 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. Siemens pnp germanium rf transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Complementary low voltage transistor stmicroelectronics.