A Zener diode voltage regulator circuit is one of the simplest and most widely used voltage regulator in electronics. It employs a reverse-biased Zener diode operating in its breakdown region to maintain a nearly constant output voltage, even when the input supply voltage or load current changes within specified limits. Electronic circuits such as microcontrollers, […]
Tag: current limiting resistor
Fusible Resistor Construction, Working, Types and Applications
A fusible resistor is a safety resistor designed to do two jobs at once: limit current and act like a fuse. Under normal conditions it behaves like a regular resistor, but if too much current flows, it overheats and safely opens the circuit, preventing damage or fire. You’ll often find fusible resistors in power supplies, […]

