H.WO: A BJT is specified to have Timx = 150 c and to be Capable of dissipating maximum power as follow! 40w at Tc = 25% 2w at TA = 25°C let Ojc = 3.12% / w and OJA = 62.5 ¢/W, find the following: O max. Power can be dissipated at TA= 50°C. 2 The max. Power Can be dissipated at TA = 50°c with a heat sink for which ecs = 0.5 °C/W and eSA = 4 °C/W.

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H.WO: A BJT is specified to have Timax = 150 c and to be
Capable of dissipating maximum power as follows
40w at
Tc =
250
2w at TA = 25°C
let Ojc = 3.12% / w and OJA = 62.5 °C/W, find the following:
The max. Power can be dissipated at TA= 50°C.
2 The max. Power Can be dissipated at TA = 50°c with
a heat sink for which ecs=0.5 °C /w and OSA = 4°C/W.
3 The max. Power can beclissipated, if
is used and TA = 50°C.
an infinite heat
Sink
Ans: 1.6W 2 13.1 W
332w
Transcribed Image Text:H.WO: A BJT is specified to have Timax = 150 c and to be Capable of dissipating maximum power as follows 40w at Tc = 250 2w at TA = 25°C let Ojc = 3.12% / w and OJA = 62.5 °C/W, find the following: The max. Power can be dissipated at TA= 50°C. 2 The max. Power Can be dissipated at TA = 50°c with a heat sink for which ecs=0.5 °C /w and OSA = 4°C/W. 3 The max. Power can beclissipated, if is used and TA = 50°C. an infinite heat Sink Ans: 1.6W 2 13.1 W 332w
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