Summary
If the initial rate of the anode current rise, di/dt, exceeds a certain value, the thyristor may be either destroyed or permanently damaged due to the excessive junction temperature. The limiting di/dt value depends on the size of the initially turned-on area and on the velocity of the plasma spreading along the n emitter. It is, therefore, advantageous to increase the initially fired area. To achieve this, several methods—such as interdigitation, field-initiated turn on, amplifying gate, and emitter gate—are used.
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© 1976 Springer-Verlag New York Inc.
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Blicher, A. (1976). Thyristor di/dt and current pulse capability. In: Thyristor Physics. Applied Physics and Engineering, vol 12. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-9877-9_10
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DOI: https://doi.org/10.1007/978-1-4612-9877-9_10
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