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4148 is the part number of the 1N4148 diode. It is used to uniquely identify this particular type of diode among others.

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1y ago

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What is unit of diode?

The unit of a diode is the ampere (A), which measures the flow of electric current through the diode. It indicates the amount of current passing through the diode at a given moment.


What is the significance of the diode load line in analyzing the operating point of a diode circuit?

The diode load line helps determine the operating point of a diode circuit by showing the possible combinations of voltage and current that the diode can have. This analysis is important for understanding how the diode will behave in the circuit and ensuring it operates within its specified parameters.


What is the difference between a diode and an LED?

A diode is a semiconductor device that allows current to flow in one direction only, while an LED (Light Emitting Diode) is a type of diode that emits light when current passes through it. In simpler terms, a diode controls the flow of electricity, while an LED produces light.


If the dmm probes were forward biased across a silicon diode and a resistance reading of infinity was observed what conclusion could be made about the diode?

If you are testing in a ciruict it could be caused by almost anything (e.g. a capacitor). If you are testing the diode by itself then you probably have an open diode. Normally when testing foreward biased the diode should read .6 ohms and when testing reverse biased it should read 1.2k ohms. ...cont. Yeah if you're dead testing the diode with an ohmmeter and its giving you an infinite reading, you have a blown diode.


What parameter in a germanium diode differs from those in a silicon diode?

A germanium diode has a lower forward voltage drop compared to a silicon diode, typically around 0.3V for germanium and 0.7V for silicon. Germanium diodes also have a higher reverse current leakage compared to silicon diodes.