FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Thermal Resistance between Junction and Ambient Formula

Fx Copy

LaTeX Copy

Thermal Resistance between junction and Ambient is defined as the rise in the resistance due to the heating effect in junction. Check FAQs

Θ j = \frac{ΔT}{P chip}

Θ_j - Thermal Resistance between junction and Ambient?ΔT - Temperature Difference Transistors?P_chip - Power Consumption of Chip?

Thermal Resistance between Junction and Ambient Example

With values

With units

Only example

Here is how the Thermal Resistance between Junction and Ambient equation looks like with Values.

Here is how the Thermal Resistance between Junction and Ambient equation looks like with Units.

Here is how the Thermal Resistance between Junction and Ambient equation looks like.

3.0113 = \frac{2.4}{0.797}

3.0113K/mW = \frac{2.4K}{0.797mW}

3.0113 = \frac{2.4}{0.797}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electronics » Category

CMOS Design and Applications » fx Thermal Resistance between Junction and Ambient

Thermal Resistance between Junction and Ambient Solution

Follow our step by step solution on how to calculate Thermal Resistance between Junction and Ambient?

FIRST Step Consider the formula

Θ j = \frac{ΔT}{P chip}

Next Step Substitute values of Variables

∴

Θ j = \frac{2.4K}{0.797mW}

Next Step Convert Units

∴

Θ j = \frac{2.4K}{0.0008W}

Next Step Prepare to Evaluate

∴

Θ j = \frac{2.4}{0.0008}

Next Step Evaluate

∴

Θ j = 3011.29234629862K/W

Next Step Convert to Output's Unit

∴

Θ j = 3.01129234629862K/mW

LAST Step Rounding Answer

∴

Θ j = 3.0113K/mW

Thermal Resistance between Junction and Ambient Formula Elements

Variables

Thermal Resistance between junction and Ambient

Thermal Resistance between junction and Ambient is defined as the rise in the resistance due to the heating effect in junction.

Symbol: Θ_j

Measurement: Thermal ResistanceUnit: K/mW

Note: Value should be greater than 0.

Formulas to find Thermal Resistance between junction and Ambient

Temperature Difference Transistors

Temperature Difference Transistors is denoted by ΔT symbol.

Symbol: ΔT

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature Difference Transistors

Power Consumption of Chip

Power Consumption of Chip is power consumed by the integrated chip when the current flows through it.

Symbol: P_chip

Measurement: PowerUnit: mW

Note: Value should be greater than 0.

Formulas to find Power Consumption of Chip

Other formulas in CMOS Special Purpose Subsystem category

Go Stage Effort

f = h \cdot g

Go Fanout of Gate

h = \frac{f}{g}

Go Capacitance of External Load

C out = h \cdot C in

Go Gate Delay

G d = 2^{N sr}

How to Evaluate Thermal Resistance between Junction and Ambient?

Thermal Resistance between Junction and Ambient evaluator uses Thermal Resistance between junction and Ambient = Temperature Difference Transistors/Power Consumption of Chip to evaluate 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 is denoted by Θ_j symbol.

How to evaluate Thermal Resistance between Junction and Ambient using this online evaluator? To use this online evaluator for Thermal Resistance between Junction and Ambient, enter Temperature Difference Transistors (ΔT) & Power Consumption of Chip (P_chip) and hit the calculate button.

FAQs on Thermal Resistance between Junction and Ambient

What is the formula to find Thermal Resistance between Junction and Ambient?

The formula of Thermal Resistance between Junction and Ambient is expressed as Thermal Resistance between junction and Ambient = Temperature Difference Transistors/Power Consumption of Chip. Here is an example- 3E-6 = 2.4/0.000797.

How to calculate Thermal Resistance between Junction and Ambient?

With Temperature Difference Transistors (ΔT) & Power Consumption of Chip (P_chip) we can find Thermal Resistance between Junction and Ambient using the formula - Thermal Resistance between junction and Ambient = Temperature Difference Transistors/Power Consumption of Chip.

Can the Thermal Resistance between Junction and Ambient be negative?

No, the Thermal Resistance between Junction and Ambient, measured in Thermal Resistance cannot be negative.

Which unit is used to measure Thermal Resistance between Junction and Ambient?

Thermal Resistance between Junction and Ambient is usually measured using the Kelvin per Milliwatt[K/mW] for Thermal Resistance. Kelvin per Watt[K/mW], Degree Fahrenheit hour per Btu (IT)[K/mW], Degree Fahrenheit Hour per Btu (th)[K/mW] are the few other units in which Thermal Resistance between Junction and Ambient can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!