Ac121 datasheet, ac121 pdf, ac121 pinout, equivalent, replacement pnp germanium transistors siemens semiconductor group, schematic, circuit, manual. Ordering information marking diagram 2n 3906 alyw a assembly location l wafer lot y year w work week pb. Bfp842esd datasheet, bfp842esd datasheets, bfp842esd pdf, bfp842esd circuit. One facet of the design process here at keeley electronics comes down to selecting not just the highest quality components for use in our pedals, but the right component for the sounds were trying to achieve. The transistor is subdivided into five groups, r, o, y, p and l, according to its dc current gain.
Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. They are a direct substitute for oc81d and work great in fuzz pedals. Vpt is determined by measuring the emitterbase floating potential v ebfl, using a voltmeter with 11m. Asz18 datasheet318 pages etc1 germanium pnp transistor. Free devices maximum ratings ta 25c unless otherwise noted characteristic symbol value unit collector. Npn transistors datasheet pdf, npn transistors pdf. The to1 standard was the first allmetal case used for germanium transistors when the black glass models were abandoned around 1964. This concerns european series like acs, industrial series acys, asys, aszs, the british nkts and the japanese 2sas. Most germanium transistor production ceased in the 1970s in favor of silicon which are more stable, consistent, have higher gain, and lower leakage.
This transistor is made by taking a wafer of n type germanium, mounting it on. Even body heat from touching the transistor can significantly alter device gain. Germanium is a chemical element with symbol ge and atomic number 32, thats used as a semiconductor in transistors and diodes, popping up in a few classic effects like the early period arbiter fuzz face, the storied dallas rangemaster and the maestro fuzztone. Get the best deals on ge transistors when you shop the largest online selection at.
Bfp740 pdf, bfp740 description, bfp740 datasheets, bfp740. Bfp740 datasheet, bfp740 datasheets, bfp740 pdf, bfp740 circuit. Since you havent specified speed, there is no way to say whether 5. As complementary type the pnp transistor st 2sa733 is recommended. Germanium transistors have a moderate gain, like tubes.
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. Ac128 datasheet, ac128 datasheets, ac128 pdf, ac128 circuit. Accelerometer demo running on 8bit s08 ac128 in data averaging mode. 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. I tested these models and everything worked for me. Bfu730f npn wideband silicon germanium rf transistor. Etc1 germanium small signal transistors,alldatasheet, datasheet, datasheet search site for. A description of the sites history is available on the web 14.
Pnp germanium rf transistor, af106 datasheet, af106 circuit, af106 data sheet. Mp16b transistor equivalent substitute crossreference search. Nte electronics nte158 germanium pnp transistor for audio. Jun 16, 2015 the to1 standard was the first allmetal case used for germanium transistors when the black glass models were abandoned around 1964. Ac128 datasheet, equivalent, cross reference search. Subjectively the sound of germanium offers a smoother, moreear pleasing.
Germanium datasheet pdf infineon technologies ag bfp620f datasheet, npn silicon germanium rf transistor, rf micro devices sgc4563z datasheet, list of unclassifed manufacturers aa121 datasheet. Infineon robust low noise silicon germanium bipolar rf transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. It can be used for the various application like switching circuits, amplifying circuits, and manufacturing of the logic gates etc. The nte102 pnp and nte103 npn are germanium complementary transistors designed for me diumspeed saturated switching applications. The nte226 is a germanium pnp transistor in a to66 type package designed for highfidelity, high power output applications. Germanium datasheetpdf infineon technologies ag bfp740 datasheet, npn silicon germanium rf transistor, infineon technologies ag bga7h1n6 datasheet, list of unclassifed manufacturers sga1163 datasheet. Applies to shipments to germany with our standard courier service dhl when paid via paypal, credit card or lastschrift. Prototype of a 10w amp, all russian germanium transistors. General purpose transistors npn silicon maximum ratings rating symbol value unit collectoremitter voltage pn2222 pn2222a vceo 30 40 vdc collectorbase voltage pn2222 pn2222a vcbo 60 75 vdc emitterbase voltage pn2222 pn2222a vebo 5. The case drawings are shown at the bottom of the page. They moved on to use many pro electron prefixes such as aa, ac, ad, af, asy, asz, and auy. Bfu760f npn wideband silicon germanium rf transistor. Texas instruments transistor and diode databook 1st ed 1973.
The nte102 pnp and nte103 npn are germanium complementary transistors designed for me. Delivery times for other countries and shipping methods can be found on our shipping information page. Cases gec mazda stc aei hivac newmarket texas transistors. Valvotransistor asz16datasheetgermanium pnp transistorasz1660v 10adatasheetoem valvosource. Mar 20, 2018 sl100 is a general purpose low power transistor. Nte electronics nte160 pnp germanium transistor for rfif amplifier, fm mixer oscillator, to72 case, 0. Nkt275 germanium transistors pnp datasheet, nkt275 germanium transistors pnp pdf, nkt275 germanium transistors pnp datenblatt, nkt275 germanium transistors pnp. Ac128 transistor datasheet pdf ac datasheet pdf download germanium small. Ta25c symbol units collectorbase voltage vcbo 30 v emitterbase voltage vebo 25 v. To66 type package designed for use in audio power amplifier applications. Ge transistor manual 3rd edition american radio history. With no signal, the r4 value should be equivalent to two junction drops. Does anyone have spice models for germanium transistors. Mp16b datasheet, equivalent, cross reference search.
Heathkit cross reference updated 121103 heath pn generic pn alternate 1 alternate 2 description signal diode 564 hd2257 hughes crystal diode 565 hd6226 hughes crystal diode 566 1n710 1n754 6. Yet due to thermal runaway, this amplifier might behave erratically. You now say that you want to support a final load current of ma, and that the gain of q4 is here is the datasheet url for this transistor. Nkt275 germanium transistors pnp datasheet, nkt275. The official ecommerce division of nte electronics, inc. The column marked case is the outline of the transistor case. Ac128 datasheet, ac128 pdf, ac128 data sheet, ac128 manual, ac128 pdf, ac128. You will need to buy one of item ge transistor testing fee in the germanium transistor category for each transistor you want tested. Description germanium complementary transistors audio power amplifier. Npn types 2n, 2n, 2n, and 2n nj semiconductors encourages customers to verify that datasheets are current before placing. Bfu768f npn wideband silicon germanium rf transistor nxp. St 2sc945 npn silicon epitaxial planar transistor for switching and af amplifier applications. Bfp842esd pdf, bfp842esd description, bfp842esd datasheets.
Nte2 germanium pnp transistor high power, high gain amplifier. Siemens, alldatasheet, datasheet, datasheet search site for electronic components and. Gain range is 60, so they are right in the fuzz face range. Npn silicon germanium microwave transistor for high speed, low noise applications in a plastic, 4pin dualemitter sot343f package. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. Germanium, transistors semiconductor available from. Historic germanium computer transistors research and collecting kit. Asz16 datasheet118 pages etc1 germanium pnp transistor. The nte2 is a germanium pnp power transistor in a to36 type package designed highpower, highgain applications in highreliability industrial equipment. Plastic mediumpower npn silicon transistor this device is useful for high. P2n2222a amplifier transistors npn silicon features these are pb. Complementary low voltage transistor stmicroelectronics. Specification semiconductor device, transistor, pnp, germanium, lowpower type 2n1195 this specification is, specification covers the detail requirements for a lowpower. Free and are rohs compliant complementary to mje350 maximum ratings rating.
Ac datasheet, ac pdf, ac data sheet, datasheet, data sheet, pdf, gpd. Datasheets for diodes from 1n251 on and transistors from 2n117 on. Germanium datasheetpdf bfp740 infineon technologies ag. Philipsmullards original semiconductor product lines were the oc series of germanium transistors and the oa and oaz series of germanium diodes. Ac datasheet pdf germanium small signal transistors gpd optoelectronic devices. The common transistor types used in guitar pedals are silicon and germanium. Ac128 datasheet, ac128 pdf, ac128 data sheet, ac128 manual, ac128 pdf, ac128, datenblatt, electronics ac128, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets, databook, free datasheet.
Ac128 pdf, ac128 description, ac128 datasheets, ac128 view. Ac datasheet pdf germanium small signal transistors gpd optoelectronic devices at the current specified in the datasheets. The following table lists the parameters for germanium transistors. Germanium transistors the following table lists the parameters for germanium transistors.
Spice models for ac127 and ac128 i made on a fairly detailed datasheet. Basic two transistor equivalent circuit rate effect. The central semiconductor 2n3, 2n5, 2n7, and 2n9 are germanium pnp transistors designed for computer and switching applications. Find germanium datasheet transistor related suppliers, manufacturers, products and specifications on globalspec a trusted source of germanium datasheet transistor information. Ac121 datasheet pdf pinout pnp germanium transistors. Bfu768f npn wideband silicon germanium rf transistor. A transistor amplifier without an emitter resistor offers the advantage of low parts count. Infineon npn silicon germanium rf transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
Germanium datasheetpdf bfp620f infineon technologies. Nte5 datasheet12 pages nte germanium complementary. The gain of the germanium transistors is rarely higher than 120, and often between 30 and 90 in russian models, while that of silicon transistors is generally between 150 and 500. Two germanium transistors type ac are selected by us for the. Ac127 datasheet, equivalent, cross reference search. Ac128 transistor datasheet pdf ac datasheet pdf download germanium small signal transistors, ac data sheet. Great deals on nos, surplus, obsolete and hard to find electronic parts and components for hobbyists, musicians, audiophiles, amateur radio, swl, restorations, and technicians. The first serial transistors in the soviet union, not including experienced 1 8 1953, were point contact pnp germanium transistors 1 and 2 1954 1960. Ac122 datasheet germanium small signal transistors.
Pnp germanium transistors switches tools connectors and plugs antennas, antenna parts vacuum tubes, nixie tubes instruments, meters, gauges fuses, circuit breakers wire and cable fans, coolers, heatsinks electronic. Npn transistors datasheet pdf, looking for npn transistors datasheet, npn transistors pdf datasheet, equivalent, schematic, npn transistors datasheets, npn transistors, transistor, cross reference, pdf download. Transistors manufactured in eastern europe used an elongated version of the to1 case. Etc1 germanium small signal transistors,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
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