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PN Junction Avalanche Breakdown Voltage Calculator

Easily calculate and compute pn junction avalanche breakdown voltage calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
79.21 V

Reverse Breakdown Voltage V_br

Reverse Breakdown Voltage V_br

79.21 V

Breakdown Voltage V

79.2

Breakdown Mechanism

Avalanche Breakdown (Vbr > 6V, Positive Temp Coeff)

Depletion Width At Breakdown Um

4.53

Light Doping Nb Cm3

5000000000000000

79.21 — V

Calculation Breakdown

  1. Applied FormulaCalculates the reverse breakdown voltage (V_br in Volts) for one-sided abrupt silicon PN junctions based on background doping and critical electric field ionization.V_{\text{BR}} = \frac{\epsilon_s E_{\text{crit}}^2}{2 q N_B} \approx 60 \left(\frac{E_g}{1.1}\right)^{3/2} \left(\frac{N_B}{10^{16}}\right)^{-3/4}

Avalanche Breakdown Voltage Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.020405979Reverse Breakdown Voltage V_br

What Is the PN Junction Avalanche Breakdown Voltage Calculator?

This tool computes pn junction avalanche breakdown voltage calculator with high precision arithmetic.

How Does the PN Junction Avalanche Breakdown Voltage Calculator Work?

Calculates the reverse breakdown voltage (V_br in Volts) for one-sided abrupt silicon PN junctions based on background doping and critical electric field ionization.

PN Junction Avalanche Breakdown Voltage Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

VBR=ϵsEcrit22qNB≈60(Eg1.1)3/2(NB1016)−3/4V_{\text{BR}} = \frac{\epsilon_s E_{\text{crit}}^2}{2 q N_B} \approx 60 \left(\frac{E_g}{1.1}\right)^{3/2} \left(\frac{N_B}{10^{16}}\right)^{-3/4}

Calculates the reverse breakdown voltage (V_br in Volts) for one-sided abrupt silicon PN junctions based on background doping and critical electric field ionization.

How to Use the PN Junction Avalanche Breakdown Voltage Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

PN Junction Avalanche Breakdown Voltage Calculator Example

Input Values:

lightDopingNbCm3:5000000000000000
criticalFieldKvPerCm:350
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required V.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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