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Electronic Devices & Circuits Power Devices

For a transistor, the safe operating area (SOA) specifies combinations of voltage and current that can be used without exceeding?

ADevice electrical and thermal limits
BOnly the DC current gain beta
COnly the input resistance
DOnly the oscillator frequency

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Correct Answer: A. Device electrical and thermal limits

Explanation: SOA curves define permissible current-voltage operating combinations while accounting for limits such as power dissipation, breakdown, and device-specific failure mechanisms.

Reference: Standard power electronics: safe operating area

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