• Estimate one-sided abrupt-junction avalanche voltage from peak critical field and depletion width.
• Compare fabrication or device scenarios while holding coefficients and unit conventions constant.
• Check a hand calculation before moving to a higher-fidelity process, circuit, or TCAD model.

The one-half factor integrates the triangular electric-field profile; using peak field times width would overestimate voltage by two.

• This electrostatic estimate is not an ionization-integral solution and omits edge curvature, termination, grading, and field-dependent ionization coefficients.
• Use parameters measured for the same material, geometry, temperature, and operating regime whenever the result informs engineering work.

• APD Breakdown Voltage Temperature Shift

  Use APD Breakdown Voltage Temperature Shift to shift a 25 °C APD breakdown-voltage magnitude to junction temperature with a fixed 0.11%/°C linear coefficient. Choose this tool when you need to estimate one-sided abrupt-junction avalanche voltage from peak critical field and depletion width.

• Depletion Width Abrupt Junction

  Use Depletion Width Abrupt Junction to compute the total depletion width of an abrupt pn junction from built-in and applied reverse bias. Choose this tool when you need to estimate one-sided abrupt-junction avalanche voltage from peak critical field and depletion width.