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Avalanche breakdown diodes have breakdown voltage
  • a)
    Having positive temperature coefficient
  • b)
    Having negative temperature coefficient
  • c)
    Independent of temperature
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Avalanche breakdown diodes have breakdown voltagea)Having positive tem...
  • Avalanche breakdown occurs in lightly-doped p-n junctions where the depletion region is comparatively long
  • The doping density controls the breakdown voltage
  • The temperature coefficient of the avalanche mechanism is positive; that is, as the temperature increases, so do the reverse breakdown voltage
  • The magnitude of the temperature coefficient also increases with an increased breakdown voltage
  • For example, the temperature coefficient of an 8.2 V diode is in the range 3 - 6 mV/K while the temperature coefficient of an 18 V diode is in the range of 12 - 18 mV/K
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Avalanche breakdown diodes have breakdown voltagea)Having positive temperature coefficientb)Having negative temperature coefficientc)Independent of temperatured)None of theseCorrect answer is option 'A'. Can you explain this answer?
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