NPN transistor - Factbites

NPN transistor - Factbites
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Topic: NPN transistor

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	Semiconductors in Warehouse of Donberg Electronics
		2N2369A TRANSISTOR SILICON NPN / 40V / 0.2A/.36W / 12 / 18N 0.69
		2N6308 TRANSISTOR SILICON NPN / 700 / 350V / 8A / 125W / 5MHz 7.90
		2SC1810 TRANSISTOR SILICON NPN / 700V / 300V / 0.3A / 7.9W 2.60
	www.donberg.ie /warehs/group14.htm (6879 words)

	Laureates of Tomorrow Nobel Essay Contest
		While the NPN transistor is the one more commonly marketed, both transistors achieve the same effect: the amplification of an input signal and on-off switch2.
		The N-type and P-type layers are then combined to form either a NPN or PNP transistor.
		Shockley’s competitive spirit inspired him to build an improved version of the Point-Contact Transistor called a Junction Transistor which relies on three layers, either NPN or PNP, instead of merely two.
	www.nyas.org /programs/nobel/essay5.html (2009 words)

	Small Signal Silicon Bipolar Transistors
		NPN Epitaxial Silicon Transistor High Frequency Low Distortion Amplifier
		NEC's NPN RF Transistor For Medium Output Power Amplification (1 W) 3-Pin Power Minimold (34 Package)
		NEC's NPN SiGe Transistor for Medium Output Power Amplification (800 mW) 3-Pin Power Minimold (34 Package)
	www.cel.com /prod/prod_siliconbip.asp (126 words)

	DIAL: Semiconductor Stockist
		NPN MULTI-EPITAXIAL VERY FAST SWITCHING HIGH POWER TRANSISTOR
		30 AMPERES NPN SILICON POWER TRANSISTORS 400 AND 450 VOLTS (BVCEO) 250 WATTS 850—1000 V (BVCES)
		50 AMPERES NPN SILICON POWER METAL TRANSISTOR 125 VOLTS 250 WATTS
	www.dialelec.com /304.html (750 words)

	eBay - npn transistors, Industrial Electrical Test, Radios CB, Ham Shortwave items on eBay.com
		Transistors ~ 2N3904 and 2N3906 ~ NPN PNP TO92 Transistor
		200 NPN and 200 PNP SURFACE MTG TRANSISTORS BSR14 BSR 16
		BFP520 45GHz NPN Silicon RF Transistor SOT343 (Qty:200)
	search-desc.ebay.com /search/search.dll?query=npn+transistors&...&krd=1 (535 words)

	Bipolar (npn and pnp) transistors
		In figure 5 we draw a common-emitter amplifier using a npn transistor and a load resistor, which is similar to the amplifier configuration we used for the vacuum tube.
		The same thing can be done to make an npn transistor, which is more typically (if for no other reason than the voltage polarities seem more right on our drawing) used.
		It is in the opposite direction for the npn transistor.
	www.ee.udel.edu /~goossen/eleg240/handout/20.htm (2240 words)

	DatasheetArchive: Semiconductor Datasheets Page 1363
		Silicon NPN transistor for high voltage control applications plasma display, nixie tube applications and cathode ray tube brightness control applications
		NPN transistor for general-purpose applications requiring high breakdown voltage
		Silicon NPN transistor for switching applications and solenoid drive applications
	www.datasheetarchive.com /datasheet/pdf/1363.html (112 words)

	Small Signal Silicon Bipolar Transistors
		NPN Epitaxial Silicon Transistor High Frequency Low Distortion Amplifier
		NEC's NPN RF Transistor For Medium Output Power Amplification (1 W) 3-Pin Power Minimold (34 Package)
		NEC's Surface Mount NPN Silicon High Frequency Transistor
	www.cel.com /prod/prod_siliconbip.asp (126 words)

	NPN
		An NPN transistor is formed by introducing a thin region of P-type semiconductor material between two regions of N-type material.
		An NPN transistor is "triggered" when its base is brought high.
		Note that both PNP and NPN are TLAs.
	encyclobeamia.solarbotics.net /articles/npn.html (74 words)

	ARTICLE BY BRUCE CARSTEN
		A small current supplied to the base of the NPN transistor (the gate of the SCR) becomes amplified by the gain of the NPN and drives the base of the PNP, where it is further amplified and added to the original NPN base current.
		Transistor current gains are intentionally limited, particularly at low current, and base-emitter shunting resistances are built in, at least on the gated transistor (Rs in Fig.
		It was found that the bipolar transistor has the best combination of characteristics, including direct control of minority carrier injection, ability to accelerate turn off with reverse base current, and normally off behavior.
	www.power-tech.com /cartext.htm (4283 words)

	eBay - bipolar transistor, Industrial Electrical Test, Nonfiction Books items on eBay.com
		1000PCS P/N BSP42 ; Bipolar Transistors SOT-23 NPN
		SGSIF465 / Si NPN Power Bipolar Junction Transistor
		2SC3026 / C3026 NPN Power Bipolar Junction Transistor
	search-desc.ebay.com /search/search.dll?query=bipolar+transistor&... (376 words)

	BEAM Circuits -- Zener-based type 1 SE
		Then the NPN transistor (here shown as a 2N3904, but you could also use a BC337) turns on and the capacitor is discharged through the motor.
		This applies current to the base of the NPN transistor, which then provides a direct motor current path.
		When the NPN collector voltage starts to drop from the voltage across the motor winding, that reduces the voltage and current in the 2.2 K resistor which causes more of the Zener current to flow into the PNP base which increases the NPN current and lowers the collector voltage even more.
	www.solarbotics.net /library/circuits/se_t1_zener.html (1970 words)

	Transistors
		Most transistors used today are NPN because this is the easiest type to make from silicon.
		There are two types of standard transistors, NPN and PNP, with different circuit symbols.
		This shows the type of transistor, NPN or PNP.
	www.kpsec.freeuk.com /components/tran.htm (1587 words)

	Transistor de Darlington - Wikipédia
		Le transistor Darlington est la combinaison de deux transistors bipolaires de même type (tous deux NPN ou tous deux PNP), résultant en un composant hybride qui a encore des caractéristiques de transistor.
		Il existe une autre combinaison associant un transistor NPN et un PNP qui multiplie aussi les gains.
		Le gain en courant du Darlington est égal au produit des gains de chaque transistor.
	fr.wikipedia.org /wiki/Transistor_de_Darlington (241 words)

	Bipolar Junction Transistors
		Silicon is best for NPN transistors where the majority charge carriers are electrons.
		Next: Transistor Operation (NPN) Up: Transistor Circuits Previous: Transistor Circuits
		The schematic circuit symbols for bipolar transistors are shown in figure 5.1.
	www.phys.ualberta.ca /%7Egingrich/phys395/notes/node75.html (204 words)

	Datasheet catalog for electronic components integrated circuit, transistor, diode, triac, and other semiconductors.
		Dual Transistors - NPN Silicon Double Transistor to be used as a current mirror
		Darlington Transistors - NPN Silicon Darlington Transistor for general AF applications
		Datasheet catalog for electronic components integrated circuit, transistor, diode, triac, and other semiconductors.
	www.datasheetcatalog.com /catalog/28420.shtml (88 words)

	Cell library for PREMA ASICs with photo diodes, hall sensors
		NPN-HV and PNP-HV high voltage transistors, and NPN-VHV and PNP-VHV very high voltage transistors with a breakdown voltage of V
		Photo transistors with maximum sensitivity in the visible range.
		Junction field effect transistors (JFETs) with a breakdown voltage of 35 Volts and threshold voltages between 600 and 1000 mV.
	www.prema.com /Design/cell-library.html (196 words)

	Page 2. Semiconductor parts with 670 in root number
		Silicon NPN transistor for strobo flash applications and medium power amplifier applications
		Silicon NPN transistor for high frequency amplifier applications, AM high frequency amplifier applications and AM frequency converter applications
		IGBT Power Module (Single switch with chopper diode Including fast free-wheeling diodes Package with insulated metal base plate)
	www.chipdocs.com /pndecoder/number/670-2.html (1959 words)

	M-pulse Microwave Bipolar Transistor and Diode Supplier
		NPN bipolar transistors are designed for use in oscillators and amplifiers.
		M-pulse offers the new MP4TSG series of SiGe NPN transistors in chip form or in hermetically sealed packages.
		This industry standard transistor is available as a chip for hybrid oscillator circuits or in hermetic ceramic packages for military applications.
	www.mpulsemw.com (482 words)

	Zetex .:. Product .:. Discretes .:. Bipolar Transistors
		NPN 300V-500V - NPN high voltage transistors 300V to 500V
		Transistor and Diode Combination - transistor & Schottky diode combination
		PNP 140V-200V - PNP high voltage transistors 140V to 200V
	www.zetex.com /3.0/3-3-1.asp?tcatid=6 (156 words)

	Transistors
		An equivalent circuit of a NPN transistor is two diodes tied anode to anode; one cathode being the emitter, the other the collector, and the junction of the anodes is the base.
		In the case of simple single transistor gain stages, the control exerted by the gain setting resistors is limited and has less effect on the stage's overall performance, i.e., the transistor's inherent gain is dominant.
		Previously I said that the two input transistors share the same emitter resistor, leaving the impression that a signal voltage was at the junction of the emitters and Re.
	www.williamson-labs.com /480_xtor.htm (4332 words)

	NTE97 (NPN)
		The NTE97 is a silicon Darlington NPN transistor in a TO3 type package designed for high voltage, high-speed, power switching in inductive circuits where fall time is critical.
	www.nteinc.com /specs/10to99/NTE97.html (105 words)

	BC549; BC550; NPN general purpose transistors
		NPN transistor in a TO-92; SOT54 plastic package.
		BC549; BC550 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page.
	www.semiconductors.philips.com /pip/bc549c (254 words)

	Transistor
		Transistors are either NPN or PNP in the configuration of the layers.
		For example, very weak radio signals in the air can be picked up by a wire antenna and processed by transistor amplifiers until they are strong enough to be heard by the human ear.
		A transistor is a small electronic device that can cause changes in a large electrical output signal by small changes in a small input signal.
	www.101science.com /transistor.htm (614 words)

	Transistor
		Transistors are either NPN or PNP in the configuration of the layers.
		A transistor is a small electronic device that can cause changes in a large electrical output signal by small changes in a small input signal.
		The transistor was invented at Bell Laboratories in December...
	www.101science.com /transistor.htm (609 words)

	Datasheets - High Power transistors
		105 KB NPN Audio Power Amplifier, Switch Transistor [NTE152]
		43 KB NPN- High Voltage Amplifier, Driver (Comp.
		42 KB NPN Audio Power Output and Medium Power Switching [NTE196]
	electronics-lab.com /downloads/datasheets/high_power_transistors.html (168 words)

	SAYAL Electronics Action Catalog 2005 - NTE - Transistor - NPN
		Home » Catalog Index » NTE » Transistor - NPN - 37 Items
		SAYAL Electronics Action Catalog 2005 - NTE - Transistor - NPN
	www.sayal.com /ActionCatalog.asp?ID=4743 (79 words)

	Electronics 2
		Since pnp transistors depend on the flow of holes, which is not as easy as that of electrons in silicon, their characteristics are a little inferior to those of npn transistors.
		The Insulated-Gate Bipolar Transistor or IGBT is a Darlington connection with a MOS transistor input and a bipolar output.
		Although all transistors are similar, the fact that there are so many different types is bad news--as in operational amplifiers, it means that the transistor type must be carefully chosen to suit the application.
	www.du.edu /~etuttle/electron/elect2.htm (6307 words)

	Bipolar Junction Transistors
		The structure of an NPN bipolar transistor is shown in Figure 1 (a).
		A Bipolar Transistor essentially consists of a pair of PN Junction Diodes that are joined back-to-back.
		The development of a planar process yielded the first circuits on a chip and for a decade, bipolar transistor operational amplifiers and digital TTL circuits were the workhorses of any circuit designer.
	www.mtmi.vu.lt /pfk/funkc_dariniai/transistor/bipolar_transistor.htm (3554 words)

	Simultaneous fabrication of CMOS transistors and bipolar devices - Patent 4050965
		A process for the manufacture, on the same chip, of CMOS transistors, which are characterized as being unipolar, and NPN or PNP transistors which are bipolar devices.
		The bipolar transistors also were not lateral and did not take advantage of the poly-silicon mask as in the present invention.
		It is emphasized that the fabrication sequence for a lateral bipolar transistor is shown in FIGS.
	www.freepatentsonline.com /4050965.html (1057 words)

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In the News (Thu 17 Dec 09)