Zener Diode

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14 Terms

1

depletion region

In Zener breakdown, the ________ will retain back once the reverse voltage has been removed.

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2

Zener diodes

________ have the property of maintaining low voltages even though high voltages are applied and hence make nice voltage regulators.

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3

basic diode

In the ________, a junction is formed due to the interaction of p- type and n- type.

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4

reverse saturation

The current generated because of the minority charge is referred to as ________ current and this is responsible for the occurrence of avalanche breakdown.

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5

Zener Diode

Special type of diode designed to reliably allow current to flow backwards

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6

Zener Breakdown

The process in which electrons move across the barrier from the valence band of p-type material to the conduction band of n-type material.

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7

Avalanche Breakdown

________ is a phenomenon that can occur in both insulating and semiconducting materials.

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8

Zener Voltage

The voltage that is sufficient for the reverse breakdown condition thus allowing the diode to conduct in reverse direction

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9

Zener Current

The maximum current that can flow through a Zener diode at a rated voltage

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10

Breakdown voltage of a diode

depends on the amount of doping

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11

After breakdown, the flow of the current in the circuit

tends to increase immediately

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12

Applications of zener diode

Ammeter, voltmeter, ohmmeter

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13

Movement during reverse bias

noticed due to minority carriers

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14

The width of the depletion and the doping levels

Inversely related to each other

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