Collector to Emitter Leakage Current Calculator

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Transistor Operating Parameters

Charge Carrier Characteristics

Diode Characteristics

Electrostatic Parameters

Semiconductor Characteristics

✖Base Transport Factor is defined as the factor of base current required to transfer emitter current to the collector of the BJT transistor.ⓘ Base Transport Factor [β]			+10% -10%
✖Collector Base leakage current is a small collector current which flows if the emitter is open circuited and the collector-base junction is reversed biased.ⓘ Collector Base Leakage Current [I_cbo]			+10% -10%

✖Collector Emitter Leakage Current is a small collector current that flows if the base is open-circuited and the collector is reverse biased with respect to the emitter.ⓘ Collector to Emitter Leakage Current [I_CEO]

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Formula

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Collector to Emitter Leakage Current

Formula

`"I"_{"CEO"} = ("β"+1)*"I"_{"cbo"}`

Example

`"1.19mA"=("2.5"+1)*"0.34mA"`

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Collector to Emitter Leakage Current Solution

STEP 0: Pre-Calculation Summary

Formula Used

Collector Emitter Leakage Current = (Base Transport Factor+1)*Collector Base Leakage Current
I_CEO = (β+1)*I_cbo
This formula uses 3 Variables

Variables Used

Collector Emitter Leakage Current - (Measured in Ampere) - Collector Emitter Leakage Current is a small collector current that flows if the base is open-circuited and the collector is reverse biased with respect to the emitter.
Base Transport Factor - Base Transport Factor is defined as the factor of base current required to transfer emitter current to the collector of the BJT transistor.
Collector Base Leakage Current - (Measured in Ampere) - Collector Base leakage current is a small collector current which flows if the emitter is open circuited and the collector-base junction is reversed biased.

STEP 1: Convert Input(s) to Base Unit

Base Transport Factor: 2.5 --> No Conversion Required
Collector Base Leakage Current: 0.34 Milliampere --> 0.00034 Ampere (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_CEO = (β+1)*I_cbo --> (2.5+1)*0.00034

Evaluating ... ...

I_CEO = 0.00119

STEP 3: Convert Result to Output's Unit

0.00119 Ampere -->1.19 Milliampere (Check conversion here)

FINAL ANSWER

1.19 Milliampere <-- Collector Emitter Leakage Current

(Calculation completed in 00.020 seconds)

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Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

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< 13 Transistor Operating Parameters Calculators

Drain Current

Go Drain Current = Mobility of Electron*Gate Oxide Capacitance*(Gate Junction Width/Gate Length)*(Gate Source Voltage- Threshold Voltage)*Drain Source Saturation Voltage

Emitter Efficiency

Go Emitter Efficiency = Electron Diffusion Current/(Electron Diffusion Current+Hole Diffusion Current)

Base Current using Current Amplification Factor

Go Base Current = Emitter Current*(1-Current Amplification Factor)-Collector Base Leakage Current

Collector-Emitter Voltage

Go Collector Emitter Voltage = Common Collector Voltage-Collector Current*Collector Resistance

Collector to Emitter Leakage Current

Go Collector Emitter Leakage Current = (Base Transport Factor+1)*Collector Base Leakage Current

Current Amplification Factor using Base Transport Factor

Go Current Amplification Factor = Base Transport Factor/(Base Transport Factor+1)

Collector Current using Current Amplification Factor

Go Collector Current = Current Amplification Factor*Emitter Current

Current Amplification Factor

Go Current Amplification Factor = Collector Current/Emitter Current

Collector Current using Base Transport Factor

Go Collector Current = Base Transport Factor*Base Current

Base Transport Factor

Go Base Transport Factor = Collector Current/Base Current

Emitter Current

Go Emitter Current = Base Current+Collector Current

Common Collector Current Gain

Go Common Collector Current Gain = Base Transport Factor+1

Dynamic Emitter Resistance

Go Dynamic Emitter Resistance = 0.026/Emitter Current

Collector to Emitter Leakage Current Formula

Collector Emitter Leakage Current = (Base Transport Factor+1)*Collector Base Leakage Current
I_CEO = (β+1)*I_cbo

How collector to emitter leakage current is obtained?

For the common emitter configuration of the transistor with the emitter-base junction forward biased and the collector-base junction reverse biased, the part of the emitter current which reaches the collector is IC – ICEO(collector to emitter current). Thus, the leakage current is taken into account and an expression is formed that the collector-emitter leakage current in common emitter configuration is (β + 1) times greater than that in common base configuration.

How to Calculate Collector to Emitter Leakage Current?

Collector to Emitter Leakage Current calculator uses Collector Emitter Leakage Current = (Base Transport Factor+1)*Collector Base Leakage Current to calculate the Collector Emitter Leakage Current, Collector to Emitter Leakage Current is a small collector current which flows if the base is open-circuited and the collector is reverse biased with respect to emitter. Collector Emitter Leakage Current is denoted by I_CEO symbol.

How to calculate Collector to Emitter Leakage Current using this online calculator? To use this online calculator for Collector to Emitter Leakage Current, enter Base Transport Factor (β) & Collector Base Leakage Current (I_cbo) and hit the calculate button. Here is how the Collector to Emitter Leakage Current calculation can be explained with given input values -> 1190 = (2.5+1)*0.00034.

FAQ

What is Collector to Emitter Leakage Current?

Collector to Emitter Leakage Current is a small collector current which flows if the base is open-circuited and the collector is reverse biased with respect to emitter and is represented as I_CEO = (β+1)*I_cbo or Collector Emitter Leakage Current = (Base Transport Factor+1)*Collector Base Leakage Current. Base Transport Factor is defined as the factor of base current required to transfer emitter current to the collector of the BJT transistor & Collector Base leakage current is a small collector current which flows if the emitter is open circuited and the collector-base junction is reversed biased.

How to calculate Collector to Emitter Leakage Current?

Collector to Emitter Leakage Current is a small collector current which flows if the base is open-circuited and the collector is reverse biased with respect to emitter is calculated using Collector Emitter Leakage Current = (Base Transport Factor+1)*Collector Base Leakage Current. To calculate Collector to Emitter Leakage Current, you need Base Transport Factor (β) & Collector Base Leakage Current (I_cbo). With our tool, you need to enter the respective value for Base Transport Factor & Collector Base Leakage Current 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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