1SMA4762HM2G

The 1SMA4762HM2G is a single Zener diode, which is designed to provide voltage regulation in electronic circuits and protect them from unexpected power surges. Zener diodes are two-terminal semiconductor devices that are designed to conduct current in one direction only and to regulate the voltage levels in circuits they are placed in. These types of diodes are known as voltage regulators and are commonly used in electronics because they do not require a power supply to operate.

The 1SMA4762HM2G is an ideal voltage regulator for various applications including portable instrumentation, computer systems and other consumer and industrial electronics. It provides a maximum power dissipation of 500 mW (500kW), a low level forward voltage drop of approximately 0.75V and peak zener reverse current of 350µA. The forward-biased peak current of the diode is typically 20mA.

The working principle behind the 1SMA4762HM2G Zener diode is very simple. When the device’s anode is connected to a positive voltage source, current flows from the anode to the cathode. The current then reverse-biases the junction of the two diodes, allowing an electric field to be established. As the reverse bias increases, the built-in electric field becomes strong enough to break down the depletion region and allows the anode to act as a cathode, allowing current to flow in the reverse direction.

In summary, the 1SMA4762HM2G is a single Zener diode designed to protect electronic circuits from unexpected power surges and to regulate the voltage levels in the circuits they are placed in. It offers a maximum power dissipation of 500 mW (500 kW) and a low level forward voltage drop of approximately 0.75V. The operating principle is based on the establishment of an electric field between the anode and cathode that allows for current to flow in the reverse direction when the threshold is exceeded.