Relay Driver

គណនា Relay Driver Transistor

គណនា Relay Driver

គណនា Base Resistor សម្រាប់បញ្ជា Relay តាម Transistor

តង់ស្យុង Coil (V):

រេស៊ីស្តង់ Coil (Ω):

តង់ស្យុង Drive (V):

hFE របស់ Transistor:

Overdrive Factor (3–10):

Base Resistor (Rb)

4.78 kΩ

Coil Current:30.00 mA

Power Rb:0.004 W

Flyback Diode:1N4148 ឬ 1N4007 (Flyback Diode)

ដ្យាក្រាម Relay Driver

Rb = (Vdrive − 0.7) / (Icoil / hFE × Overdrive)