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## Credits

Bipin Tripathi Kumaon Institute of Technology (BTKIT), Dwarahat
Shobhit Dimri has created this Calculator and 500+ more calculators!
Vishwakarma Government Engineering College (VGEC), Ahmedabad
Urvi Rathod has verified this Calculator and 1000+ more calculators!

## Thermal Resistance between junction and Ambient Solution

STEP 0: Pre-Calculation Summary
Formula Used
thermal_resistance_between_junction_and_ambient = Temperature Difference between Transistors/Power Consumption of the chip
θj = ΔT/P
This formula uses 2 Variables
Variables Used
Temperature Difference between Transistors - Temperature Difference between Transistors (Measured in Celsius)
Power Consumption of the chip - Power Consumption of the chip is power consumed (Measured in Watt)
STEP 1: Convert Input(s) to Base Unit
Temperature Difference between Transistors: 4 Celsius --> 277.15 Kelvin (Check conversion here)
Power Consumption of the chip: 8 Watt --> 8 Watt No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
θj = ΔT/P --> 277.15/8
Evaluating ... ...
θj = 34.64375
STEP 3: Convert Result to Output's Unit
34.64375 Kelvin --> No Conversion Required
FINAL ANSWER
34.64375 Kelvin <-- Thermal Resistance between junction and Ambient
(Calculation completed in 00.007 seconds)

## < 10+ CMOS-VLSI Design Calculators

Drain Voltage
drain_voltage = sqrt(dynamic power/frequency*Capacitance) Go
Gate to Channel Voltage
gate_to_channel_voltage = (Channel Charge/Gate Capacitance)+Threshold voltage Go
Threshold Voltage
threshold_voltage = Gate to Channel Voltage-(Channel Charge/Gate Capacitance) Go
Gate Capacitance
channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage) Go
Channel Charge
channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage) Go
Capacitor dynamic power
dynamic_power = Drain Voltage^2*frequency*Capacitance Go
Potential gate to Collector
potential_gate_to_collector = (Potential Gate to Source+Potential Gate to Drain)/2 Go
Potential Gate to Drain
potential_gate_to_drain = 2*potential gate to collector-Potential Gate to Source Go
Static Current
static_current = Static power/Drain Voltage Go
Static Power Dissipation
static_power = static current*Drain Voltage Go

### Thermal Resistance between junction and Ambient Formula

thermal_resistance_between_junction_and_ambient = Temperature Difference between Transistors/Power Consumption of the chip
θj = ΔT/P

## What are the limitations in increasing the power supply to reduce delay?

The delay can be reduced by increasing the power supply but if we do so the heating effect comes because of excessive power, to compensate this we have to increase the die size which is not practical.

## How to Calculate Thermal Resistance between junction and Ambient?

Thermal Resistance between junction and Ambient calculator uses thermal_resistance_between_junction_and_ambient = Temperature Difference between Transistors/Power Consumption of the chip to calculate the Thermal Resistance between junction and Ambient, The Thermal Resistance between junction and Ambient formula is defined as the rise in the resistance due to the heating effect in junction. Thermal Resistance between junction and Ambient and is denoted by θj symbol.

How to calculate Thermal Resistance between junction and Ambient using this online calculator? To use this online calculator for Thermal Resistance between junction and Ambient, enter Temperature Difference between Transistors (ΔT) and Power Consumption of the chip (P) and hit the calculate button. Here is how the Thermal Resistance between junction and Ambient calculation can be explained with given input values -> -0.00183 = (-0.0146439685154677)/8.

### FAQ

What is Thermal Resistance between junction and Ambient?
The Thermal Resistance between junction and Ambient formula is defined as the rise in the resistance due to the heating effect in junction and is represented as θj = ΔT/P or thermal_resistance_between_junction_and_ambient = Temperature Difference between Transistors/Power Consumption of the chip. Temperature Difference between Transistors and Power Consumption of the chip is power consumed.
How to calculate Thermal Resistance between junction and Ambient?
The Thermal Resistance between junction and Ambient formula is defined as the rise in the resistance due to the heating effect in junction is calculated using thermal_resistance_between_junction_and_ambient = Temperature Difference between Transistors/Power Consumption of the chip. To calculate Thermal Resistance between junction and Ambient, you need Temperature Difference between Transistors (ΔT) and Power Consumption of the chip (P). With our tool, you need to enter the respective value for Temperature Difference between Transistors and Power Consumption of the chip and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Thermal Resistance between junction and Ambient?
In this formula, Thermal Resistance between junction and Ambient uses Temperature Difference between Transistors and Power Consumption of the chip. We can use 10 other way(s) to calculate the same, which is/are as follows -
• dynamic_power = Drain Voltage^2*frequency*Capacitance
• drain_voltage = sqrt(dynamic power/frequency*Capacitance)
• static_power = static current*Drain Voltage
• static_current = Static power/Drain Voltage
• channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage)
• channel_charge = Gate Capacitance*(Gate to Channel Voltage-Threshold voltage)
• gate_to_channel_voltage = (Channel Charge/Gate Capacitance)+Threshold voltage
• threshold_voltage = Gate to Channel Voltage-(Channel Charge/Gate Capacitance)
• potential_gate_to_collector = (Potential Gate to Source+Potential Gate to Drain)/2
• potential_gate_to_drain = 2*potential gate to collector-Potential Gate to Source
Where is the Thermal Resistance between junction and Ambient calculator used?
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