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General Purpose Amplifier Transistors.
2N4401=NPN replacements: BC337, BC338
http://www.fairchildsemi.com/ds/BC/BC337.pdf
also BC547, 2N2222
http://www.slabastruja.com/elementi/BC547.pdf
2N4403=PNP replacements: BC327, BC328, PN2907
http://www.biltek.tubitak.gov.tr/gel...ar/4/BC327.pdf
http://www.st.com/internet/com/TECHN...CD00002997.pdf
What else can I help you with?
Does a refrigerator have transistors?
A fridge may or may not have a few transistors in it, these are electrical components that would probably be part of the control circuitry. Transistors used to be very common components of most electrical appliances. The cooling process of the fridge has nothing to do with transistors and is handled by a compressor and a heat exchange pump
How many transistors are in an AND gate?
6
How many transistors are used in static ram?
I am not to sure about Static Ram but in CMOS RAM, 1GB of RAM would contain about 137438953472 transistors because 1 bit of CMOS RAM contains 16 Transistors, 8 bits in a byte and 1073741824 bytes in a gigabyte. I am 100% sure about this and these are just estimations. Static RAM uses about 6 times as many transistors as dynamic RAM for the same amount of storage. Dynamic RAM uses 1 or 2 transistors per bit in typical implementations. Add to this transistors for address decode, bus interface, etc.
What were used before transistors?
If the integrated circuit in some kind of device has 5,000 transistors on it, then before integrated circuits were available, the same function might have been performed by 100 individual transistors. And before transistors were available, the same function might have been performed by 30 vacuum tubes, a fan and air system to keep them cool, and a large power system to operate the tubes and the cooler.
How many transistors in LCD?
millions and more
Why silicon is used in scr?
For the same reason it is used in transistors and ICs: its a very good semiconductor. Note: equivalent devices have been made with germanium in the past, when most transistors were germanium. But they called them thyristors not GCRs.
What are power transistors?
Power transistors are transistors that are used in high-power amplifiers and power supplies.
Are transistors semiconductors?
Transistors are made out of semiconductors, yes.
What element are in transistors?
Silicon and germanium are the elements used in transistors
What elements in in transistors?
Silicon and germanium are the elements used in transistors
Why are npn transistors used more often than pnp transistors?
The primary reason that NPN transistors are used more often than PNP transistors is that they usually operate faster (at higher frequencies) because the mobility of the current carriers in NPN transistors (electrons) is much higher than that of the current carriers in PNP transistors (holes).
What elements are used in transistors?
Silicon and germanium are the elements used in transistors
How many transistors are on a Phenom II 965?
758 Million transistors.
How did colossus work without transistors?
There were vacuum tubes before transistors
How do you install transistors on Toyota 5fbc25?
how to install TMS003 transistors on Toyota 5fbxc25
Do phones have transistors?
yes, Mobile phones are having transistors.
What replaced vacuum tubes in the computer?
Integrated circuits (in many microprocessor integrated circuits) containing many billions of transistors each.
