Wide aso safe operating area applications 800v3a switching regulator applications pinning pin description 1base 2 collector. Npn silicon transistor af amplifier and low speed switching, 2sc945 datasheet, 2sc945 circuit, 2sc945 data sheet. The 25c945 is designed for use in driver stage of af amplifier and low speed switching. But it is not uncommon to drop the first two letters 2sc945 replacement 2sc945 cross reference 2sc945 equivalent 2sc945 substitute. Npn silicon transistor af amplifier and low speed switching nec. Symbol characteristics min typ max unit test conditions. C945 transistor npn feature z excellent h fe linearity z low noise z complementary to a733 maximum ratings t a25. Nec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. C unless noted otherwise off characteristics c945 symbol description min.
Aug 25, 2017 the further detail about c945 transistor will be given later in this tutorial. F absolute maximum ratings ta25 c, unless otherwise specified parameter symbol ratings unit collectorbase voltage vcbo 60 v collectoremitter voltage vceo 50 v emitterbase voltage vebo 5 v peak collector current icp 1. If friends are looking dynamic microphone preamplifier circuit is high quality. In addition, the quick charge mode can be placed on hold. Sep 21, 2019 if friends are looking dynamic microphone preamplifier circuit is high quality. St 2sc945 npn silicon epitaxial planar transistor for switching and af amplifier applications. C945 is a negative positive negative npn bipolar junction transistor.
Npn silicon planar epitaxial transistor, 2sc945 datasheet, 2sc945 circuit, 2sc945 data sheet. To92 plasticencapsulate transistors 8050ss transistor npn features z general purpose switching and amplification. Tube 2sc945 or rohre 2sc945 id36651, transistor, wires and universal shown. All the part names for which the file 0u9h25xojqxp8qwzrfi8kxtjsswy.
The c945 is an age old japanese bipolar audio frequency npn transistor. The 2sc945q transistor might have a current gain anywhere between 5 and 270. Ceramic filter for communications equipment cfws455 series cerafil 33 resin molded, high selectivity low profile type ceramic filter 6element this is the pdf file of catalog no. Nec npn silicon transistor af amplifier and low speed switching,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. And to drive that transistor im using c945 another transistor. I suggest this circuit because it use the three transistor 2sc945, or 2c1815 or 2sc828 is main which typical transistor amplifier with a low noise this circuit, too. It has a decent gain value hfe of maximum 700 and is highly linear. Mcc 2sc945y micro commercial components tm 20736 marilla street chatsworth micro commercial components 2sc945gr ca 911 phone. Description npn silicon transistoraf amplifier and low speed switching. C945, c945 npn general purpose transistor, buy c945 transistor. Ic cross reference cross reference ci stk cross reference ci tda cross reference ci sharp cross reference hitachi audio ic cross reference and circuit applications smd cross reference and equivalent we make every effort to ensure that the material on this site is accurate, however we do not warrant or represent that the information is free.
How to find a transistor replacement all about circuits. Page 2 of 5 electrical characteristics t ambient25. But when its loaded and after some time the c945 had gone. It is also used as oscillators with is complementary a733 pnp transistor. Diodes and transistors pdf 28p this note covers the following topics. May 17, 2016 c945p datasheet vcbo 60v, npn transistor nec, 2sc945p datasheet, c945p pdf, c945p pinout, c945p manual, c945p schematic, c945p equivalent. Circuits such as a smallsignal amplifier or a highspeed switching circuit might employ one.
Its base is doped with p type semiconductor material. Wide aso safe operating area applications 800v3a switching regulator applications pinning pin. The utc 2sc945 is an audio frequency amplifier high. Npn silicon transistoraf amplifier and low speed switching nec. Hsc945 datasheet14 pages hsmc npn epitaxial planar. Illumination intensity is controlled through transistor 2 and variable, c945, c1815 diodes d1d6 1n4148. Hence it was widely used in amplifier applications for preamplifying purpose, in high frequency circuits. The gain of the 2sc945 will be in the range from 90 to 600, 2sc945r ranges from 90 to 180, 2sc945p ranges from 200 to 400, 2sc945k ranges from 300 to 600. Microelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Unit conditions vbrceo collectoremitter breakdown voltage 50 v ic1ma, ib0 vbrcbo icollectorbase breakdown voltage 60 v c100a, ie0. Production specification silicon epitaxial planar transistor features z high voltage and high curr. C945p datasheet vcbo 60v, npn transistor nec, 2sc945p datasheet, c945p pdf, c945p pinout, c945p manual, c945p schematic, c945p equivalent. Npn silicon transistoraf amplifier and low speed switching, 2sc945 datasheet, 2sc945 circuit, 2sc945 data sheet.
Description npn silicon transistor af amplifier and low speed switching. Limited quantity available, new old stock, not for export. As complementary type the pnp transistor st 2sa733 is recommended. Contains pinouts for connectors and information about how to build cables etc. The transistor is subdivided into five groups, r, o, y, p and l, according to its dc current gain. Although the greatest care has been taken while compiling these documents, we cannot guarantee that the instructions will work on every radio presented. 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 interchangeability directory, and example. The c945 is the same as a 2sc945 ecept that the pins are arranged ebc. The further detail about c945 transistor will be given later in this tutorial. D absolute maximum ratings ta25, unless otherwise specified parameter symbol rating unit collectorbase voltage vcbo 60 v collectoremitter voltage vceo 50 v emitterbase voltage vebo 5 v collector dissipationta25 c pc 250 mw. Feature z excellent h fe linearity z low noise z complementary to a733 3.
Circuits where a lowcurrent, highspeed transistor is required will employ a transistor such as c945 transistor. Electrical characteristics ta25 c unless otherwise noted countinued characteristics symbol min typ max unit. C945 datasheet, c945 pdf, c945 data sheet, datasheet, data sheet, pdf. Applications the h945 is designed for driver stage of af amplifier and low speed switching.
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