Leakage Current of Collector-Base Junction Calculator

✖Collector Current refers to the current that flows between the collector and emitter terminals when the SCR is in its conducting or ON state.ⓘ Collector Current [I_C]			+10% -10%
✖Common-Base Current Gain is defined as the change in collector current divided by the change in emitter current when the base-to-collector voltage is constant.ⓘ Common-Base Current Gain [α]			+10% -10%

✖Collector Base Leakage Current is a current that flows in a bipolar junction transistor (BJT) between the collector and base terminals when the transistor is in its reverse-biased condition.ⓘ Leakage Current of Collector-Base Junction [I_CBO]

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Leakage Current of Collector-Base Junction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Collector Base Leakage Current = Collector Current-Common-Base Current Gain*Collector Current
I_CBO = I_C-α*I_C
This formula uses 3 Variables

Variables Used

Collector Base Leakage Current - (Measured in Ampere) - Collector Base Leakage Current is a current that flows in a bipolar junction transistor (BJT) between the collector and base terminals when the transistor is in its reverse-biased condition.
Collector Current - (Measured in Ampere) - Collector Current refers to the current that flows between the collector and emitter terminals when the SCR is in its conducting or ON state.
Common-Base Current Gain - Common-Base Current Gain is defined as the change in collector current divided by the change in emitter current when the base-to-collector voltage is constant.

STEP 1: Convert Input(s) to Base Unit

Collector Current: 100 Ampere --> 100 Ampere No Conversion Required
Common-Base Current Gain: 0.7 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_CBO = I_C-α*I_C --> 100-0.7*100

Evaluating ... ...

I_CBO = 30

STEP 3: Convert Result to Output's Unit

30 Ampere --> No Conversion Required

FINAL ANSWER

30 Ampere <-- Collector Base Leakage Current

(Calculation completed in 00.004 seconds)

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Created by Devyaani Garg

Shiv Nadar University (SNU), Greater Noida

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Birsa Institute of Technology (BIT), Sindri

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< SCR Performance Parameters Calculators

Worst Case Steady State Voltage across First Thyristor in Series Connected Thyristors

LaTeX Go Worst Case Steady State Voltage = (Resultant Series Voltage of Thyristor String+Stablizing Resistance*(Number of Thyristors in Series-1)*Off State Current Spread)/Number of Thyristors in Series

Derating Factor of Series Connected Thyristor String

LaTeX Go Derating Factor of Thyristor String = 1-Resultant Series Voltage of Thyristor String/(Worst Case Steady State Voltage*Number of Thyristors in Series)

Leakage Current of Collector-Base Junction

LaTeX Go Collector Base Leakage Current = Collector Current-Common-Base Current Gain*Collector Current

Thermal Resistance of SCR

LaTeX Go Thermal Resistance = (Junction Temperature-Ambient Temperature)/Power Dissipated by Heat

< SCR Characteristics Calculators

Derating Factor of Series Connected Thyristor String

LaTeX Go Derating Factor of Thyristor String = 1-Resultant Series Voltage of Thyristor String/(Worst Case Steady State Voltage*Number of Thyristors in Series)

Leakage Current of Collector-Base Junction

LaTeX Go Collector Base Leakage Current = Collector Current-Common-Base Current Gain*Collector Current

Power Dissipated by Heat in SCR

LaTeX Go Power Dissipated by Heat = (Junction Temperature-Ambient Temperature)/Thermal Resistance

Thermal Resistance of SCR

LaTeX Go Thermal Resistance = (Junction Temperature-Ambient Temperature)/Power Dissipated by Heat

Leakage Current of Collector-Base Junction Formula

LaTeX Go

Collector Base Leakage Current = Collector Current-Common-Base Current Gain*Collector Current
I_CBO = I_C-α*I_C

How is the above formula related to thyristors?

A thyristor can be considered as two complementary transistors, one PNP transistor Q₁ and the other NPN transistor Q₂. The above formula can be used to calculate the leakage current of the collector-base junction of each transistor of the thyristor and these calculations can further be used to design circuits of thyristors.

How to Calculate Leakage Current of Collector-Base Junction?

Leakage Current of Collector-Base Junction calculator uses Collector Base Leakage Current = Collector Current-Common-Base Current Gain*Collector Current to calculate the Collector Base Leakage Current, The Leakage Current of Collector-Base Junction is the difference between the collector current and the common base current gain of the transistor (α) times the emitter current. α is the ratio of I_C to I_E . Collector Base Leakage Current is denoted by I_CBO symbol.

How to calculate Leakage Current of Collector-Base Junction using this online calculator? To use this online calculator for Leakage Current of Collector-Base Junction, enter Collector Current (I_C) & Common-Base Current Gain (α) and hit the calculate button. Here is how the Leakage Current of Collector-Base Junction calculation can be explained with given input values -> 30 = 100-0.7*100.

FAQ

What is Leakage Current of Collector-Base Junction?

The Leakage Current of Collector-Base Junction is the difference between the collector current and the common base current gain of the transistor (α) times the emitter current. α is the ratio of I_C to I_E and is represented as I_CBO = I_C-α*I_C or Collector Base Leakage Current = Collector Current-Common-Base Current Gain*Collector Current. Collector Current refers to the current that flows between the collector and emitter terminals when the SCR is in its conducting or ON state & Common-Base Current Gain is defined as the change in collector current divided by the change in emitter current when the base-to-collector voltage is constant.

How to calculate Leakage Current of Collector-Base Junction?

The Leakage Current of Collector-Base Junction is the difference between the collector current and the common base current gain of the transistor (α) times the emitter current. α is the ratio of I_C to I_E is calculated using Collector Base Leakage Current = Collector Current-Common-Base Current Gain*Collector Current. To calculate Leakage Current of Collector-Base Junction, you need Collector Current (I_C) & Common-Base Current Gain (α). With our tool, you need to enter the respective value for Collector Current & Common-Base Current Gain and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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