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Maximum Junction Temperature of TRIAC Formula

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Maximum Operating Junction TRIAC (T_Jmax) of an IGBT is the highest temperature at which the IGBT can safely operate. It is typically specified in degrees Celsius (°C). Check FAQs

T jmax(triac) = T a(triac) + P (triac) \cdot R th(j-a)(triac)

T_jmax(triac) - Maximum Operating Junction TRIAC?T_a(triac) - Ambient Temperature TRIAC?P_(triac) - Dissipation Power TRIAC?R_{th(j-a)(triac)} - Junction to Ambient Thermal Resistance TRIAC?

Maximum Junction Temperature of TRIAC Example

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Here is how the Maximum Junction Temperature of TRIAC equation looks like with Values.

Here is how the Maximum Junction Temperature of TRIAC equation looks like with Units.

Here is how the Maximum Junction Temperature of TRIAC equation looks like.

196.12 = 102.4 + 0.66 \cdot 0.142

196.12°C = 102.4°C + 0.66W \cdot 0.142kΩ

196.12 = 102.4 + 0.66 \cdot 0.142

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Maximum Junction Temperature of TRIAC Solution

Follow our step by step solution on how to calculate Maximum Junction Temperature of TRIAC?

FIRST Step Consider the formula

T jmax(triac) = T a(triac) + P (triac) \cdot R th(j-a)(triac)

Next Step Substitute values of Variables

∴

T jmax(triac) = 102.4°C + 0.66W \cdot 0.142kΩ

Next Step Convert Units

∴

T jmax(triac) = 375.55K + 0.66W \cdot 142Ω

Next Step Prepare to Evaluate

∴

T jmax(triac) = 375.55 + 0.66 \cdot 142

Next Step Evaluate

∴

T jmax(triac) = 469.27K

LAST Step Convert to Output's Unit

∴

T jmax(triac) = 196.12°C

Maximum Junction Temperature of TRIAC Formula Elements

Variables

Maximum Operating Junction TRIAC

Maximum Operating Junction TRIAC (T_Jmax) of an IGBT is the highest temperature at which the IGBT can safely operate. It is typically specified in degrees Celsius (°C).

Symbol: T_jmax(triac)

Measurement: TemperatureUnit: °C

Note: Value should be greater than 0.

Formulas to find Maximum Operating Junction TRIAC

Ambient Temperature TRIAC

Ambient Temperature TRIAC are designed to operate in high ambient temperatures. They have a higher junction temperature rating than standard triac.

Symbol: T_a(triac)

Measurement: TemperatureUnit: °C

Note: Value should be greater than 0.

Formulas to find Ambient Temperature TRIAC

Dissipation Power TRIAC

Dissipation Power triac is the amount of heat that is generated by the triac when it is conducting current.

Symbol: P_(triac)

Measurement: PowerUnit: W

Note: Value should be greater than 0.

Formulas to find Dissipation Power TRIAC

Junction to Ambient Thermal Resistance TRIAC

Junction to Ambient Thermal Resistance TRIAC (R) is the measure of how well the TRIAC dissipates heat from its junction to the ambient air.

Symbol: R_{th(j-a)(triac)}

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Junction to Ambient Thermal Resistance TRIAC

Other formulas in TRIAC category

Go Average Load Current of TRIAC

I avg(triac) = \frac{2 \cdot \sqrt{2} \cdot I rms(triac)}{π}

Go Power Dissipation of TRIAC

P max(triac) = V knee(triac) \cdot I avg(triac) + R s(triac) \cdot {I rms(triac)}^{2}

Go RMS Load Current of TRIAC

I rms(triac) = \frac{I peak(triac)}{2}

How to Evaluate Maximum Junction Temperature of TRIAC?

Maximum Junction Temperature of TRIAC evaluator uses Maximum Operating Junction TRIAC = Ambient Temperature TRIAC+Dissipation Power TRIAC*Junction to Ambient Thermal Resistance TRIAC to evaluate the Maximum Operating Junction TRIAC, Maximum Junction Temperature of TRIAC is the highest temperature that the triac's junction can withstand without being damaged. The maximum junction temperature is an important parameter to consider when designing a triac circuit, as it determines the maximum power that the triac can dissipate without overheating. If the triac's junction temperature exceeds its maximum rating, it may fail. Maximum Operating Junction TRIAC is denoted by T_jmax(triac) symbol.

How to evaluate Maximum Junction Temperature of TRIAC using this online evaluator? To use this online evaluator for Maximum Junction Temperature of TRIAC, enter Ambient Temperature TRIAC (T_a(triac)), Dissipation Power TRIAC (P_(triac)) & Junction to Ambient Thermal Resistance TRIAC (R_{th(j-a)(triac)}) and hit the calculate button.

FAQs on Maximum Junction Temperature of TRIAC

What is the formula to find Maximum Junction Temperature of TRIAC?

The formula of Maximum Junction Temperature of TRIAC is expressed as Maximum Operating Junction TRIAC = Ambient Temperature TRIAC+Dissipation Power TRIAC*Junction to Ambient Thermal Resistance TRIAC. Here is an example- -76.70462 = 375.55+0.66*142.

How to calculate Maximum Junction Temperature of TRIAC?

With Ambient Temperature TRIAC (T_a(triac)), Dissipation Power TRIAC (P_(triac)) & Junction to Ambient Thermal Resistance TRIAC (R_{th(j-a)(triac)}) we can find Maximum Junction Temperature of TRIAC using the formula - Maximum Operating Junction TRIAC = Ambient Temperature TRIAC+Dissipation Power TRIAC*Junction to Ambient Thermal Resistance TRIAC.

Can the Maximum Junction Temperature of TRIAC be negative?

No, the Maximum Junction Temperature of TRIAC, measured in Temperature cannot be negative.

Which unit is used to measure Maximum Junction Temperature of TRIAC?

Maximum Junction Temperature of TRIAC is usually measured using the Celsius[°C] for Temperature. Kelvin[°C], Fahrenheit[°C], Rankine[°C] are the few other units in which Maximum Junction Temperature of TRIAC can be measured.

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Maximum Junction Temperature of TRIAC Formula

Maximum Junction Temperature of TRIAC Example

Maximum Junction Temperature of TRIAC Solution

Maximum Junction Temperature of TRIAC Formula Elements

Other formulas in TRIAC category

How to Evaluate Maximum Junction Temperature of TRIAC?

FAQs on Maximum Junction Temperature of TRIAC

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