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1. |
A thyristor has maximum allowable junction temperature of 110° C and the ambient temperature is 40°C, If the maximum internal power dissipation is 50 W, the thermal resistance is |
A. | 2° C/W |
B. | 1.4° C/W |
C. | 0.7°C/W |
D. | 2.2° C/W |
Answer» C. 0.7°C/W | |