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Electronics Reference

Semiconductor Diodes

Diode Current Equation

latex!encoded:base64,XHRleHRybXtJfV9cdGV4dHJte0R9PVx0ZXh0cm17SX1fXHRleHRybXtTfVxsZWZ0ICggZV57XGZyYWN7XHRleHRybXtWfV9cdGV4dHJte0R9fXtuXHRleHRybXtWfV9cdGV4dHJte1R9fX0tMSBccmlnaHQgKQ==

ID - Diode current
IS - The reverse saturation current
VD - The applied forward-bias voltage across the diode
n
- Ideality factor which is a function of the operating conditions, physical construction, and has a range between 1 and 2 depending on a wide variety of factors
VT - Thermal voltage

No Equation

Thermal Voltage

latex!encoded:base64,XHRleHRybXtWfV9cdGV4dHJte1R9PVxmcmFje2tcdGV4dHJte1R9X1x0ZXh0cm17S319e3F9

k - Boltzmann’s constant =1.38X10-23 (J/K)
TK - is the absolute temperature in Kelvins = 273 + the temperature in °C
q
 - is the magnitude of electronic charge 1.6X10-19 °C

No Equation

Diode DC or Static Resistance

latex!encoded:base64,XHRleHRybXtSfV9cdGV4dHJte0R9PVxmcmFje1x0ZXh0cm17Vn1fXHRleHRybXtEfX17XHRleHRybXtJfV9cdGV4dHJte0R9fQ==
No Equation

Diode AC or Dynamic Resistance

latex!encoded:base64,XHRleHRzbHtyfV9kPVxmcmFje25cdGV4dHJte1Z9X1x0ZXh0cm17VH19e1x0ZXh0cm17SX1fXHRleHRybXtEfX0=
No Equation

Diode Power Dissipation

latex!encoded:base64,XHRleHRybXtQfV9cdGV4dHJte0R9PVx0ZXh0cm17Vn1fXHRleHRybXtGfVx0ZXh0cm17SX1fXHRleHRybXtGfQ==
No Equation

Diode Forward Current (Ideal Diode Model)

latex!encoded:base64,XHRleHRybXtJfV9cdGV4dHJte0Z9PVxmcmFje1x0ZXh0cm17Vn1fe1x0ZXh0cm17QklBU319fXtcdGV4dHJte1J9X3tcdGV4dHJte0xJTUlUfX19
No Equation

Diode Forward Current (Practical Diode Model

latex!encoded:base64,XHRleHRybXtJfV9cdGV4dHJte0Z9PVxmcmFje1x0ZXh0cm17Vn1fe1x0ZXh0cm17QklBU319LVx0ZXh0cm17Vn1fXHRleHRybXtGfX17XHRleHRybXtSfV97XHRleHRybXtMSU1JVH19fQ==
No Equation

Diode Forward Current (Complete Diode Model)

latex!encoded:base64,XHRleHRybXtJfV9cdGV4dHJte0Z9PVxmcmFje1x0ZXh0cm17Vn1fe1x0ZXh0cm17QklBU319LTAuN1x0ZXh0cm17Vn19e1x0ZXh0cm17Un1fe1x0ZXh0cm17TElNSVR9fStcdGV4dHNse3InfV9kfQ==
No Equation

Half-Wave Rectifier

Peak Output Voltagelatex!encoded:base64,XHRleHRybXtWfV97XHRleHRybXtQfV97XHRleHRybXtPVVR9fX09XHRleHRybXtWfV97XHRleHRybXtQfV97XHRleHRybXtJTn19fS1cdGV4dHJte1Z9X1x0ZXh0cm17Rn0=
Peak Inverse Voltagelatex!encoded:base64,XHRleHRybXtQSVZ9PVx0ZXh0cm17Vn1fe1x0ZXh0cm17UH1fe1x0ZXh0cm17SU59fX0=
Output Average Valuelatex!encoded:base64,XHRleHRybXtWfV97XHRleHRybXtBVkd9fT1cZnJhY3tcdGV4dHJte1Z9X3tcdGV4dHJte1B9X3tcdGV4dHJte09VVH19fX17XHBpIH0=
No Equation

Full-Wave Rectifier (Center-Tapped Transformer)

Output Voltagelatex!encoded:base64,XHRleHRybXtWfV97XHRleHRybXtQfV97XHRleHRybXtPVVR9fX09XGZyYWN7MX17Mn1cdGV4dHJte1Z9X3tcdGV4dHJte1B9X3tcdGV4dHJte1NFQ319fS1cdGV4dHJte1Z9X1x0ZXh0cm17Rn0=
Peak Inverse Voltagelatex!encoded:base64,XHRleHRybXtQSVZ9PTJcdGV4dHJte1Z9X3tcdGV4dHJte1B9X3tcdGV4dHJte09VVH19fStcdGV4dHJte1Z9X1x0ZXh0cm17Rn0=
Output Average Value
latex!encoded:base64,XHRleHRybXtWfV97XHRleHRybXtBVkd9fT1cZnJhY3syXHRleHRybXtWfV97XHRleHRybXtQfV97XHRleHRybXtPVVR9fX19e1xwaSB9
No Equation

Full-Wave Rectifier (Bridge Network)

Output Voltagelatex!encoded:base64,XHRleHRybXtWfV97XHRleHRybXtQfV97XHRleHRybXtPVVR9fX09XHRleHRybXtWfV97XHRleHRybXtQfV97XHRleHRybXtTRUN9fX0tMlx0ZXh0cm17Vn1fXHRleHRybXtGfQ==
Peak Inverse Voltagelatex!encoded:base64,XHRleHRybXtQSVZ9PVx0ZXh0cm17Vn1fe1x0ZXh0cm17UH1fe1x0ZXh0cm17T1VUfX19K1x0ZXh0cm17Vn1fXHRleHRybXtGfQ==
Output Average Value
latex!encoded:base64,XHRleHRybXtWfV97XHRleHRybXtBVkd9fT1cZnJhY3syXHRleHRybXtWfV97XHRleHRybXtQfV97XHRleHRybXtPVVR9fX19e1xwaSB9
No Equation
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