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2SD5071 Generic Silicon NPN Power Transistor D5071
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2SD5702 Original New Fairchild Silicon NPN Power Transistor D5702
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NTE14 Silicon PNP Transistor High Power Low Freq Driver M Type Case New
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NEW FD600R17KF6C B2 INFINEON IGBT POWER MODULE TRANSISTOR FD600R17KF6C
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2N5435 POWER TRANSISTOR GOLD LEADS TO 3 PACKAGE NOS
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2SC5200 2SA1943 Complementary Power Audio transistor x4 2 each match pair
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POWER TECH INC TRANSISTOR BT 1001 NSN 5961 00 408 2213
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Eupec Transistor Power Block IGBT FF400R33KF1 NIB
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Eupec Transistor Power Block IGBT FZ800R33KF2 NIB
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BD138 Plastic Medium Power Silicon PNP Transistor LOT OF 20
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2N5415S PNPSI POWER GP 200V 50MA TO 39 BY SGSLOT OF10
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Power Compact Module MC9268A Hard to find New
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NTE30 High Power Amp Switch Transistor NEW
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43 IRF9530 INTERSIL TRANSISTOR POWER MOSFET 12A 100V P CHANNEL TO 220 USA
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2N5876 NEW Power Transistor Motorola Marantz McIntosh Audio Amp output Driver
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$750.00
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$183.00
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$71.60
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$50.00
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10 RCA 39414 G8338M 68338M NPN POWER TRANSISTORs BETA 40 2N3055 EQUIVALENT
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3 NEW NTE290A PNP Si AUDIO POWER AMP OUTPUT DRIVER Si TRANSISTORS
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FUJI POWER TRANSISTOR 1DI300Z 120 E New NNB
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Z0402BE TOSHIBA Power TRANSISTOR TO 220 TYPE PKG LAST ONE
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2SC1942 Generic Sumitomo TO 03 NPN Power Transistor C1942
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MJE700T MOTOROLA 4AMP DARLINGTON POWER TRANSISTOR NOS RARE LAST ONES
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2SC3817 NEC NPN Medium Power Microwave 1W155GHz Transistor
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Infineon BSP75A Smart Lowside Power Switch 55V 1A SOT 223 10pcs
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48514 GM DELCO TO 3 VINTAGE 1967 POWER TRANSISTOR LAST ONE
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2N4864 HOFFMAN TO66 VINTAGE 1969 POWER TRANSISTOR GOLD LEADS LAST ONE
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PAIR NOS 2N5683 NTE30 PNP 60V 50A 300 Watt Amplifier Power Transistors
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SJ4794 3 MOTOROLA TO 3 VINTAGE 1986 POWER TRANSISTOR LAST ONES
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MJL21193 Original Pulled Motorola Silicon Power Transistor
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MHT4560 SOLITRON Power Transistor GOLD LEADS VINTAGE 1975 RARE NOS
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MP4301 TMP4301 Toshiba Power Transistor Module
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500 Pieces of MJE520 NPN Power Transistor by Motorola
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2PCS MJE350 300V 5A 500mA 20W PNP POWER SUPPLY TRANSISTOR PINBALL MACHINE BOARD
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Power Transistors

NXP's Unbreakable BLF578XR LDMOS Power Transistor

This Section Addresses Using PNP Transistors To Perform High Facet Switching With A Microcontroller

 

Component seven coated employing transistors to change loads that call for greater currents or voltages than the microcontroller can handle.  All the circuits had comparable topologies. The load was connected towards the energy source, and an NPN transistor acted like a switch to floor. Given that the switching aspect (the transistor) was at floor, it's named a “low side swap.”
With reduced aspect switching the load is at Vcc possible.  Sometimes it is actually wanted to get the load at ground potential, and to swap the energy provided to it. This is known as higher aspect switching. Figure 8-1 shows the difference among higher and reduced aspect switching.
You cannot just connect an NPN transistor’s collector to Vcc and the emitter towards the load that is grounded.  As explained within the previous section, damaging feedback will stop the NPN transistor from becoming pushed into saturation.

The alternative would be to utilize a PNP transistor.  Working with PNP transistors is essentially exactly the same as NPN transistors, other than the polarities are reversed.  Figure 8-2 exhibits a circuit employing a PNP transistor as a higher side switch.  Notice that the emitter is connected towards the constructive voltage.  The arrow within the emitter of a PNP transistor points in the reverse course than in an NPN transistor.  Base current flows through the emitter to the base, and collector current flows through the emitter. This is all backwards in comparison with an NPN transistor.
The signal required to control the PNP transistor can also be corrected from NPN transistors.  With the NPN transistor you determine the port pin to the higher state to flip about the transistor.  With the PNP transistor you must convey the port pin lower to flip within the transistor.
                
 
The calculations for base current as well as the base resistor are identical to those outlined in Part seven for NPN transistors except the polarities are reversed.

One extra thing you must be cautious with PNP substantial facet switches may be the voltage applied to drive the load.  Usually it is most effective to use the same voltage to drive the load which is used to power the microcontroller.  Look at the next.
Suppose the load voltage is +12V plus the microcontroller is running at 5 volts.  Ignore R2. R2 would ordinarily have a worth higher enough to own little impact  and ignoring it makes the calculations that comply with easier. Presume that P0 is higher, at 5V, and R1 is 1000 ohms.  Base current could be calculated by

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Frequently Asked Questions...

How can a network of a few transistors can end up into computing power?

I know processors are made of transistors arranged in a certain way but I don't get how they can end up making stuff like 4+7 or 4*3. And also I don't get how they can be given the orders to do these things. Can someone explain me how we get from an interrupter to a thing that can process information?

A schema of a very basic and easy to understand processor would be nice ^^

Thanks


Answer:

Check out this article.

http://www.howstuffworks.com/microprocessor.htm