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Total Power Dissipated in BJT Formula

GoTotal Power Supplied in BJT Formula

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Power is the amount of energy liberated per second in a device. Check FAQs

P = V CE \cdot I c + V BE \cdot I B

P - Power?V_CE - Collector-Emitter Voltage?I_c - Collector Current?V_BE - Base-Emitter Voltage?I_B - Base Current?

Total Power Dissipated in BJT Example

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Here is how the Total Power Dissipated in BJT equation looks like with Values.

Here is how the Total Power Dissipated in BJT equation looks like with Units.

Here is how the Total Power Dissipated in BJT equation looks like.

16.1465 = 3.15 \cdot 5 + 5.15 \cdot 0.077

16.1465mW = 3.15V \cdot 5mA + 5.15V \cdot 0.077mA

16.1465 = 3.15 \cdot 5 + 5.15 \cdot 0.077

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Total Power Dissipated in BJT Solution

Follow our step by step solution on how to calculate Total Power Dissipated in BJT?

FIRST Step Consider the formula

P = V CE \cdot I c + V BE \cdot I B

Next Step Substitute values of Variables

∴

P = 3.15V \cdot 5mA + 5.15V \cdot 0.077mA

Next Step Convert Units

∴

P = 3.15V \cdot 0.005A + 5.15V \cdot 7.7E-5A

Next Step Prepare to Evaluate

∴

P = 3.15 \cdot 0.005 + 5.15 \cdot 7.7E-5

Next Step Evaluate

∴

P = 0.01614655W

Next Step Convert to Output's Unit

∴

P = 16.14655mW

LAST Step Rounding Answer

∴

P = 16.1465mW

Total Power Dissipated in BJT Formula Elements

Variables

Power

Power is the amount of energy liberated per second in a device.

Symbol: P

Measurement: PowerUnit: mW

Note: Value should be greater than 0.

Formulas to find Power

Collector-Emitter Voltage

Collector-Emitter Voltage is the electric potential between the base and collector region of a transistor.

Symbol: V_CE

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Collector-Emitter Voltage

Collector Current

Collector current is an amplified output current of a bipolar junction transistor.

Symbol: I_c

Measurement: Electric CurrentUnit: mA

Note: Value can be positive or negative.

Formulas to find Collector Current

Base-Emitter Voltage

Base-Emitter Voltage is the forward voltage between the base and emitter of the transistor.

Symbol: V_BE

Measurement: Electric PotentialUnit: V

Note: Value can be positive or negative.

Formulas to find Base-Emitter Voltage

Base Current

Base Current is a crucial current of bipolar junction transistor. Without the base current, the transistor cannot turn on.

Symbol: I_B

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Base Current

Other Formulas to find Power

Go Total Power Supplied in BJT

P = V DD \cdot (I c + I in)

Other formulas in Amplification Factor or Gain category

Go Common-Base Current Gain

α = \frac{β}{β + 1}

Go Intrinsic Gain of BJT

A o = \frac{V A}{V t}

Go Common Mode Rejection Ratio

CMRR = 20 \cdot \log 10 (\frac{A d}{A cm})

Go Base Current of PNP Transistor given Emitter Current

I B = \frac{I e}{β + 1}

How to Evaluate Total Power Dissipated in BJT?

Total Power Dissipated in BJT evaluator uses Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current to evaluate the Power, The total power dissipated in BJT is equal to the product of collector current and collector-emitter voltage. It is the sum of the power dissipation in its various components, including the base-emitter junction, the collector-emitter junction, and the internal resistances of the transistor. Power is denoted by P symbol.

How to evaluate Total Power Dissipated in BJT using this online evaluator? To use this online evaluator for Total Power Dissipated in BJT, enter Collector-Emitter Voltage (V_CE), Collector Current (I_c), Base-Emitter Voltage (V_BE) & Base Current (I_B) and hit the calculate button.

FAQs on Total Power Dissipated in BJT

What is the formula to find Total Power Dissipated in BJT?

The formula of Total Power Dissipated in BJT is expressed as Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current. Here is an example- 16146.55 = 3.15*0.005+5.15*7.7E-05.

How to calculate Total Power Dissipated in BJT?

With Collector-Emitter Voltage (V_CE), Collector Current (I_c), Base-Emitter Voltage (V_BE) & Base Current (I_B) we can find Total Power Dissipated in BJT using the formula - Power = Collector-Emitter Voltage*Collector Current+Base-Emitter Voltage*Base Current.

What are the other ways to Calculate Power?

Here are the different ways to Calculate Power-

Power=Supply Voltage*(Collector Current+Input Current)

Can the Total Power Dissipated in BJT be negative?

No, the Total Power Dissipated in BJT, measured in Power cannot be negative.

Which unit is used to measure Total Power Dissipated in BJT?

Total Power Dissipated in BJT is usually measured using the Milliwatt[mW] for Power. Watt[mW], Kilowatt[mW], Microwatt[mW] are the few other units in which Total Power Dissipated in BJT can be measured.

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Total Power Dissipated in BJT Formula

​GoTotal Power Supplied in BJT Formula

Total Power Dissipated in BJT Example

Total Power Dissipated in BJT Solution

Total Power Dissipated in BJT Formula Elements

Other Formulas to find Power

Other formulas in Amplification Factor or Gain category

How to Evaluate Total Power Dissipated in BJT?

FAQs on Total Power Dissipated in BJT

Variable Name

GoTotal Power Supplied in BJT Formula