Zener Current Calculator

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Diode Characteristics

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Transistor Operating Parameters

✖Input Voltage is defined as the voltage required at the input terminal of an electronic device to ensure the flow of current through it.ⓘ Input Voltage [V_i]			+10% -10%
✖Zener Voltage is the threshold voltage at which a zener diode conducts current in reverse direction. It is determined by doping concentration of the diode.ⓘ Zener Voltage [V_z]			+10% -10%
✖Zener Resistance is calculated when zener diode is operating in the breakdown region, i.e., the region where it is conducting current in reverse direction.ⓘ Zener Resistance [R_z]			+10% -10%

✖Zener Current is defined as the current passing through a zener diode when it is in operating mode.ⓘ Zener Current [I_z]

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Formula

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Zener Current

Formula

`"I"_{"z"} = ("V"_{"i"}-"V"_{"z"})/"R"_{"z"}`

Example

`"150.1344mA"=("21.21V"-"10.6V")/"70.67Ω"`

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Zener Current Solution

STEP 0: Pre-Calculation Summary

Formula Used

Zener Current = (Input Voltage-Zener Voltage)/Zener Resistance
I_z = (V_i-V_z)/R_z
This formula uses 4 Variables

Variables Used

Zener Current - (Measured in Ampere) - Zener Current is defined as the current passing through a zener diode when it is in operating mode.
Input Voltage - (Measured in Volt) - Input Voltage is defined as the voltage required at the input terminal of an electronic device to ensure the flow of current through it.
Zener Voltage - (Measured in Volt) - Zener Voltage is the threshold voltage at which a zener diode conducts current in reverse direction. It is determined by doping concentration of the diode.
Zener Resistance - (Measured in Ohm) - Zener Resistance is calculated when zener diode is operating in the breakdown region, i.e., the region where it is conducting current in reverse direction.

STEP 1: Convert Input(s) to Base Unit

Input Voltage: 21.21 Volt --> 21.21 Volt No Conversion Required
Zener Voltage: 10.6 Volt --> 10.6 Volt No Conversion Required
Zener Resistance: 70.67 Ohm --> 70.67 Ohm No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

I_z = (V_i-V_z)/R_z --> (21.21-10.6)/70.67

Evaluating ... ...

I_z = 0.150134427621339

STEP 3: Convert Result to Output's Unit

0.150134427621339 Ampere -->150.134427621339 Milliampere (Check conversion here)

FINAL ANSWER

150.134427621339 ≈ 150.1344 Milliampere <-- Zener Current

(Calculation completed in 00.004 seconds)

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Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

Akshada Kulkarni has created this Calculator and 500+ more calculators!

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< 16 Diode Characteristics Calculators

Non-Ideal Diode Equation

Go Non Ideal Diode Current = Reverse Saturation Current*(e^(([Charge-e]*Diode Voltage)/(Ideality Factor*[BoltZ]*Temperature))-1)

Ideal Diode Equation

Go Diode Current = Reverse Saturation Current*(e^(([Charge-e]*Diode Voltage)/([BoltZ]*Temperature))-1)

Capacitance of Varactor Diode

Go Capacitance of Varactor Diode = Material Constant/((Barrier Potential+Reverse Voltage)^Doping Constant)

Self-Resonance Frequency of Varactor Diode

Go Self Resonance Frequency = 1/(2*pi*sqrt(Inductance of Varactor Diode*Capacitance of Varactor Diode))

Saturation Drain Current

Go Diode Saturation Current = 0.5*Transconductance Parameter*(Gate Source Voltage-Threshold Voltage)

Cut-off Frequency of Varactor Diode

Go Cut-off Frequency = 1/(2*pi*Series Field Resistance*Capacitance of Varactor Diode)

Zener Current

Go Zener Current = (Input Voltage-Zener Voltage)/Zener Resistance

Thermal Voltage of Diode Equation

Go Thermal Voltage = [BoltZ]*Temperature/[Charge-e]

Diode Equation for Germanium at Room Temperature

Go Germanium Diode Current = Reverse Saturation Current*(e^(Diode Voltage/0.026)-1)

Quality Factor of Varactor Diode

Go Quality Factor = Cut-off Frequency/Operating Frequency

Responsivity

Go Responsivity = Photo Current/Incident Optical Power

Zener Resistance

Go Zener Resistance = Zener Voltage/Zener Current

Zener Voltage

Go Zener Voltage = Zener Resistance*Zener Current

Average DC Current

Go Direct Current = 2*Peak Current/pi

Voltage Equivalent of Temperature

Go Volt-Equivalent of Temperature = Room Temperature/11600

Maximum Wavelight

Go Maximum Wavelight = 1.24/Energy Gap

Zener Current Formula

Zener Current = (Input Voltage-Zener Voltage)/Zener Resistance
I_z = (V_i-V_z)/R_z

What is application of Zener diode?

Zener diodes are used for voltage regulation, as reference elements, surge suppressors, and in switching applications and clipper circuits. The load voltage equals breakdown voltage VZ of the diode. The series resistor limits the current through the diode and drops the excess voltage when the diode is conducting.

How to Calculate Zener Current?

Zener Current calculator uses Zener Current = (Input Voltage-Zener Voltage)/Zener Resistance to calculate the Zener Current, Zener current consists of a current limiting resistor connected in series with the input voltage with the Zener diode connected in parallel with the load resistor in this reverse biased condition. The stabilized output voltage is always selected to be the same as the breakdown voltage of the diode. Zener Current is denoted by I_z symbol.

How to calculate Zener Current using this online calculator? To use this online calculator for Zener Current, enter Input Voltage (V_i), Zener Voltage (V_z) & Zener Resistance (R_z) and hit the calculate button. Here is how the Zener Current calculation can be explained with given input values -> 150134.4 = (21.21-10.6)/70.67.

FAQ

What is Zener Current?

Zener current consists of a current limiting resistor connected in series with the input voltage with the Zener diode connected in parallel with the load resistor in this reverse biased condition. The stabilized output voltage is always selected to be the same as the breakdown voltage of the diode and is represented as I_z = (V_i-V_z)/R_z or Zener Current = (Input Voltage-Zener Voltage)/Zener Resistance. Input Voltage is defined as the voltage required at the input terminal of an electronic device to ensure the flow of current through it, Zener Voltage is the threshold voltage at which a zener diode conducts current in reverse direction. It is determined by doping concentration of the diode & Zener Resistance is calculated when zener diode is operating in the breakdown region, i.e., the region where it is conducting current in reverse direction.

How to calculate Zener Current?

Zener current consists of a current limiting resistor connected in series with the input voltage with the Zener diode connected in parallel with the load resistor in this reverse biased condition. The stabilized output voltage is always selected to be the same as the breakdown voltage of the diode is calculated using Zener Current = (Input Voltage-Zener Voltage)/Zener Resistance. To calculate Zener Current, you need Input Voltage (V_i), Zener Voltage (V_z) & Zener Resistance (R_z). With our tool, you need to enter the respective value for Input Voltage, Zener Voltage & Zener Resistance 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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