The breakdown region of a transistor is the region where the supply voltage, Vcc, becomes so large that the collector-emitter junction of the transistor breaks down and conducts, even though there is no base current.
The critical value of the voltage, at which the breakdown of a P-N junction diode occurs is called the breakdown voltage.The breakdown voltage depends on the width of the depletion region, which, in turn, depends on the doping level. The junction offers almost zero resistance at the breakdown point.
The zener diode protects the meter by stabilizing the voltage when it goes in to the breakdown region.
Zener diodes are normally operated in their reverse breakdown voltage curve.
A: There is no difference except for a zener its breakdown is known and predictable. Avalanche breakdown is not predictable and usually happens at hi voltage and because of it if the current is not limited it self destroy the device
Breakdown depends on the electric field value in FETS (as in diodes and such, where you can find a junction). Theoretically, you need to - dope less the junction region of your device (like p-i-n diodes, the i (intrinsic) region is not doped in order to reduce E field peak, which occurs near the center of the device). - raise the length of your device Both of these two solutions will have the drawback of increasing your ON resistance. At circuit design level, you can protect your devices with clamp diodes or something similar.
zener breakdown and avalanche breakdown.
This space is for answering "http://wiki.answers.com/Q/Why_does_voltage_remain_constant_in_the_reverse_breakdown_region_in_a_zener_diode" Why does voltage remain constant in the reverse breakdown region in a zener diode?
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The critical value of the voltage, at which the breakdown of a P-N junction diode occurs is called the breakdown voltage.The breakdown voltage depends on the width of the depletion region, which, in turn, depends on the doping level. The junction offers almost zero resistance at the breakdown point.
As the name suggests it means above the pubic region
The function of a zener diode is for it to act as a voltage regulator in the breakdown region.
The breakdown voltage of a diode can be controlled by altering its doping concentration and the thickness of the depletion region. Increasing doping levels generally leads to a lower breakdown voltage, while a wider depletion region can increase it. Additionally, the diode's material properties and structural design, such as using different semiconductor materials or introducing guard rings, can also influence the breakdown voltage. By carefully engineering these factors, manufacturers can create diodes with specific breakdown voltage characteristics to suit various applications.
This is a procedure where the abdominal region is punctured with a needle to collect fluid for testing.
The zener diode protects the meter by stabilizing the voltage when it goes in to the breakdown region.
Zener diodes are normally operated in their reverse breakdown voltage curve.
A reverse-biased diode is typically operated in the reverse breakdown region of its current-voltage characteristic curve. In this region, the diode allows a small reverse current to flow, which is generally negligible until a certain breakdown voltage is reached. Beyond this breakdown voltage, the diode can conduct significant current, but in normal applications, it operates below this threshold to prevent damage. Thus, the diode primarily remains in the reverse bias region with minimal current flow.