FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit Formula

Fx Copy

LaTeX Copy

Intrinsic stand-off ratio UJT as Oscillator is defined as the ratio of emitter base 1 resistance to the total emitter base junctions resistances. Check FAQs

η = \frac{R B1}{R B1 + R B2}

η - Intrinsic Stand-off Ratio?R_B1 - Emitter Resistance Base 1?R_B2 - Emitter Resistance Base 2?

Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit Example

With values

With units

Only example

Here is how the Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit equation looks like with Values.

Here is how the Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit equation looks like with Units.

Here is how the Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit equation looks like.

0.5294 = \frac{18}{18 + 16}

0.5294 = \frac{18Ω}{18Ω + 16Ω}

0.5294 = \frac{18}{18 + 16}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Electrical » Category

Power Electronics » fx Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit

Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit Solution

Follow our step by step solution on how to calculate Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit?

FIRST Step Consider the formula

η = \frac{R B1}{R B1 + R B2}

Next Step Substitute values of Variables

∴

η = \frac{18Ω}{18Ω + 16Ω}

Next Step Prepare to Evaluate

∴

η = \frac{18}{18 + 16}

Next Step Evaluate

∴

η = 0.529411764705882

LAST Step Rounding Answer

∴

η = 0.5294

Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit Formula Elements

Variables

Intrinsic Stand-off Ratio

Intrinsic stand-off ratio UJT as Oscillator is defined as the ratio of emitter base 1 resistance to the total emitter base junctions resistances.

Symbol: η

Measurement: NAUnit: Unitless

Note: Value should be between 0.5 to 0.85.

Formulas to find Intrinsic Stand-off Ratio

Emitter Resistance Base 1

Emitter resistance base 1 is the resistance offered to the current flowing through the base 1 junction on UJT.

Symbol: R_B1

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Emitter Resistance Base 1

Emitter Resistance Base 2

Emitter Resistance Base 2 is the resistance offered to the current flowing through the base 2 junction on UJT.

Symbol: R_B2

Measurement: Electric ResistanceUnit: Ω

Note: Value should be greater than 0.

Formulas to find Emitter Resistance Base 2

Other formulas in SCR Firing Circuit category

Go Derating Factor of Series Connected Thyristor String

DRF = 1 - \frac{V string}{V ss \cdot n}

Go Leakage Current of Collector-Base Junction

I CBO = I C - α \cdot I C

Go Power Dissipated by Heat in SCR

P dis = \frac{T junc - T amb}{θ}

Go Thermal Resistance of SCR

θ = \frac{T junc - T amb}{P dis}

How to Evaluate Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit?

Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit evaluator uses Intrinsic Stand-off Ratio = Emitter Resistance Base 1/(Emitter Resistance Base 1+Emitter Resistance Base 2) to evaluate the Intrinsic Stand-off Ratio, The Intrinsic stand-off ratio for UJT based Thyristor firing circuit formula is defined as the ratio of emitter base 1 resistance to the total emitter base junctions resistances. Intrinsic Stand-off Ratio is denoted by η symbol.

How to evaluate Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit using this online evaluator? To use this online evaluator for Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit, enter Emitter Resistance Base 1 (R_B1) & Emitter Resistance Base 2 (R_B2) and hit the calculate button.

FAQs on Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit

What is the formula to find Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit?

The formula of Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit is expressed as Intrinsic Stand-off Ratio = Emitter Resistance Base 1/(Emitter Resistance Base 1+Emitter Resistance Base 2). Here is an example- 0.529412 = 18/(18+16).

How to calculate Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit?

With Emitter Resistance Base 1 (R_B1) & Emitter Resistance Base 2 (R_B2) we can find Intrinsic Stand-off Ratio for UJT based Thyristor Firing Circuit using the formula - Intrinsic Stand-off Ratio = Emitter Resistance Base 1/(Emitter Resistance Base 1+Emitter Resistance Base 2).

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit