it is a rectify diode
Its schotlky diode. schotlky diode is metal semi conducter junction. It has fast switchng speed. The cutting voltage of schotlky diode is about 0.2 volts.
The difference in the 1N4007 diode and the 1N4007S diode is the voltage. The 1N4007S has a higher voltage but the meaning of the S is not listed.
An ordinary diode, no. It has nowhere to get energy from.But a solar cell is a type of diode that converts light to electricity. So it is a diode that can power a circuit. So yes, there is one type of diode that can power a circuit.
Diode is a two terminal semicon. Diode is a Switching device
A Germanium diode has a much lower breakdown voltage than a silicone diode.
It depends on the particular zener diode. Typically, they will pull 75 ma of current.
The incremental resistance of a diode is the inverse of the slope of the V-I curve at the operating point.
This is not really practical and the cost to repair (if it could be done) would be about 2 orders of magnitude larger than a new replacement diode costs.
Consider ideal diode to be connected in series with resistor of 6kSilicon diode forward bias voltage = 0.7 voltsCurrent across 6k resistor = (5-0.7)/6000 amperesVoltage across {resistor + diode}=4.3 + 0.7=5vIf silicon internal resistance is 6k then voltage across diode=5vIf external resistance is 6k and diode resistance is negligible then voltage across diode=0.7v
The diode voltage drop is 0.7 volts, so you need that much to turn it on. Current is controlled by a resistor in series.
The silicon diode (unless its a Schottky diode) conducts at approximately 0.6 volts. The germanium diode, however, conducts at a much lower voltage, typically 0.2 volts. This means that the germanium diode is better at small signal rectification applications, such as AM radio detectors, allowing a smaller tuner tank circuit.
I think you mean 'diode valve'! A 'valve' is the British term for what Americans call 'tubes' or, more accurately, 'vacuum tubes'. So, a 'diode valve' is a thermionic valve generally used as a rectifier, much in the same way that a semiconducting diode is used, these days.
Since they are in parallel, the 3.3V zener diode will "kick in" first when you reach 3.3V, and the circuit will pretty much act the same as if the 7V zener diode isn't there at all.
zener diode :zener diode operates under reverse bias voltageideal diode :ideal diode operates under forward bias voltage
About 0.2V
yes, diode can be used as rectifier diode to convert ac to dc