Electronics Engineering

# What is base leg of a transistor?

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###### 2015-04-17 16:25:10

It depends on the transistor, you just have to look at the data sheet for the transistor.

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## Related Questions

the leg B is called the BASE. C stands for collector and E stands for Emitter

It is the middle portion of the transistor

Its is the emiiter base of the transistor voltage!

First select the continuity scale of MM (multimeter), then 1st connect the +ve prob to the very 1st leg of transistor, and then connect the -ve prob to the other legs of transistor one by one. repeat same procedure with each leg. If MM shows some value, the higher value is emitter n lower value is collector and remaining leg is obiously base. when MM shows some value we consider the +ve probs leg as desire terminal either emitter or collector.

The emitter, the base, and the collector are parts of a transistor.

connect the base of the transistor to a variable resistor and to a normal resistor

The base, emitter and collector can be identified with the data sheet of the transistor, every type of transistor can be different, you can find data sheets easily when you google the type of transistor.

A Darlington pair uses two transistors connected to behave as a single transistor with a very high current gain (beta). Transistor-1 has its collector connected to the collector of transistor-2. Transistor-1 has its emitter connected to the base of transistor-2. The base of transistor-1 with the emitter and collector of transistor-2 is used as a single transistor.

If the arrow points towards the base, the transistor is PNP. If it points away from the base, the transistor is NPN.

No. A diode is not like a transistor, and a transistor is not like (two) diode(s). Taken in isolation, the emitter-base and collector-base junctions of a transistor appear to be diodes, but they are coupled together so that the base-emitter current affects the collector-emitter current.

The active region of a transistor is when the transistor has sufficient base current to turn the transistor on and for a larger current to flow from emitter to collector. This is the region where the transistor is on and fully operating.

Base of transistor is made thin just to get Collector current equal to Emitter current.

If inceres the base voltage of transistor them it may be burn . The base volt may be 0.8v to 1.8 If it use as a amplifier

To know if a transistor is PNP or an NPN,the following should be verified:For a PNP transistor, the base-collector junction is forward biased while the base-emitter junction is reversed biased.For an NPN transistor, the base-emitter junction is forward biased while the base -collector junction is reversed biased.

For a bipolar junction transistor: * Emitter * Collector * Base For a field-effect transistor: * Drain * Source * Gate

transistor. This word is a blended form of transfer of resistor. The legs of transistor (collector, emitter,base) transfer the resistance. So it is called as transistor

A transistor has three sections, an emitter, base, and collector. By extracting a small number of electrons from the base, a large # of electrons can flow across the transistor from the emitter, thru the circuit, and back to the collector.

The PNP transistors conducts when there is no signal at base (0V or grounded), when base current is increased the conduction of PNP transistor decreases.

in a properly biased transistor, collector and emitter current also decrease

A transistor has three connection points. The connection points are base, emitter, and collector.

A transistor has three leads, called the base, the collector, and the emitter. The voltage of the base (in relation to the ground) determines whether and how much current flows from the collector to the emitter. An NPN transistor can be off, meaning that there is no (or very little) voltage from the base; partly on, meaning that there is some voltage from the base; or saturated, meaning that it is receiving full voltage from the base. A saturated transistor allows the current to flow from the collector to the emitter unopposed; a partly on transistor provides some resistance; and a transistor that is off provides full resistance. A PNP transistor is similar to an NPN transistor except it performs the opposite function: when it is saturated, the current is fully resisted; when there is no voltage from the base, the current is not at all resisted; and when it is partly on there is some resistance. In sum, a transistor controls the flow between the collector and the emitter based upon the voltage of the base. this is carbage. a transistor is basicaly two diodes back to back base being common TO BOTH DIODES because of inpurity doping on purpose at the depletion region the transistor will control the current flow on the other diode. Once it reaches saturation both diodes conduct therefore current can flow in BOTH DIRECTIONS ACROSS IT.

A bipolar junction transistor can be used as a diode by shorting the base and collector.A junction field effect transistor operates as a reverse biased diode, but some types will be damaged or destroyed if forward biased.A metal oxide semiconductor field effect transistor is not a diode.A unijunction transistor is a diode with 2 connections some distance apart on its cathode (called base 1 and base 2).A programmable unijunction transistor is really a variation on the silicon controlled rectifier.etc.

In order for a transistor to operate as a switch, the base-emitter current must be greater than the collector-emitter current divided by a factor of hFe. In this state, the transistor operates in saturated mode, fully turning on.

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