Difference between Zener and Avalanche Breakdown : These breakdown phenomena occur in P-N junctions under specific conditions, and they unveil the semiconductor behavior. NEET students preparing for the exam find it difficult to understand.
This explanation is not just theoretical, it establishes the foundation for understanding semiconductor devices that are essential to the NEET syllabus. So, try to understand the difference between Zener and avalanche breakdown in the pursuit of mastering the physics behind these semiconductor phenomena.NEET Physics Syllabus | NEET Physics Important Questions with Answers |
NEET Physics Chapter wise Weightage | NEET Physics MCQs |
NEET Physics Notes | NEET Physics Formulas |
Difference between Zener and Avalanche Breakdown | ||
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Parameters | Zener Breakdown | Avalanche Breakdown |
Cause | Caused by high electric field strength. | Caused by collision and impact ionization of charge carriers. |
Temperature Dependence | Moderately dependent on temperature. | Strongly dependent on temperature. |
Voltage Rating | Generally lower voltage rating. | Higher voltage rating. |
Breakdown Mechanism | Occurs due to the quantum tunneling effect. | Results from the generation of electron-hole pairs through collisions. |
Temperature Coefficient | Negative temperature coefficient. | Positive temperature coefficient. |
Use | Commonly used in voltage regulation circuits. | Commonly used in high-voltage applications and photodiodes. |