4. Assume your thermistor has δ = (3 + SID2 / 3) mW/°C. What current would...
4. Assume your thermistor has δ = (3 + SID2 / 3) mW/°C. What current would be necessary to cause self-heating of the thermistor to +27°C from an ambient temperature of +25°C? What would the resistance of your thermistor be?
Example: SID2 = 7 gives δ = (3 + 7/3) = 5.33 mW/°C.
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4. Assume your thermistor has δ = (3 + SID2 / 3)
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A thermistor is to monitor room temperature. It has a resistance of 3.5 kΩ at 20°C with a slope of-10%/C. The dissipation constant is Po-5 mw/oC. It is proposed to use the thermistor in the divider of Figure 4.6 to provide a voltage...
1. Calculate the dissipated
power on the regulator and what the junction temperature does the
regulator will go up without heatsink? Assume +5V regulator run at
load current 600mA and ambient temperature is 25 °C.
2. Calculate the thermal resistance sink to ambient if you think
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resistance for thermal interface material is 0.16 °C/W and the
maximum ambient temperature of 45°C.
3. Calculate the thermal resistance sink to ambient....
If all questions can be answered thank
you!
5. [-/1.42 points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Residential building codes typically require the use of 12-gauge copper wire (diameter 0.205 cm) for wiring receptacles. Such circuits carry currents as large as 20.0 A. If a wire of smaller diameter (with a higher gauge number) carried that much current, the wire could rise to a high temperature and cause a fire. (Table of resistivities) (a) Calculate the rate at...
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