Simple 12V Voltage Regulator with Zener Diode and 2SC5200 #electronics #diy #diyelectronics #ideax

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In this video, you’ll learn how to make a simple 12V DC voltage regulator using a 2SC5200 power transistor, a 12V zener diode, and a 2.2K resistor. This method is perfect for reducing a higher DC voltage (like 19V) down to a stable 12V output, ideal for powering sensitive electronics or LED strips.

⚙️ How It Works:
The 12V zener diode sets a stable base voltage on the transistor. The transistor 2SC5200 acts as a pass element, regulating the output voltage to ~12V. The 2.2K resistor limits current to the zener.

🔧 Components:

2SC5200 NPN Power Transistor

12V Zener Diode

2.2K Resistor

Input: 19V DC

Output: 12V DC (regulated)

💡 Note: This is a basic linear regulator design. It’s not highly efficient but is very simple and useful for small loads.

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