Comparison of Zener Breakdown and Avalanche Breakdown

Posted By on December 17, 2014


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Hall effect and Determination of Hall Voltage
Transition Capacitance
S.No. Zener breakdown Avalanche breakdown
1. This is observed in Zener diodes having Vz 5 to 8 volts. This is observed in Zener diodes having Vz greater than 8 volts.
2. The valence electrons are pulled into conduction due to very intense electric field appearing across the narrow depletion region. The valence electrons are pushed into conduction band due to the energy imparted by colliding accelerated minority carries.
3. V-I characteristics with Zener the break down is very sharp. The V-I characteristics with the avalanche breakdown increases gradually. It is not as sharp as that with the Zener breakdown.
4. The breakdown voltage decreases with increase in temperature. The breakdown voltage increases with increase in temperature.
Hall effect and Determination of Hall Voltage
Transition Capacitance

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Posted by Akash Kurup

Founder and C.E.O, World4Engineers Educationist and Entrepreneur by passion. Orator and blogger by hobby

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