3EZ19DE3/TR12

Diodes - Zener - Single - 3EZ19DE3/TR12 Application Field and Working Principle

The 3EZ19DE3/TR12 is a single Zener diode produced by SamsungElectronics. It is a very commonly used component in electronics, with a wide range of applications in both consumer and industrial electronics. The diode’s primary function is to limit the maximum voltage that can be applied to a circuit. It is also used as a voltage regulator, keeping a voltage as close to a specific reference level as possible.

The 3EZ19DE3/TR12 Zener diode is rated for operation at a peak reverse voltage (PRV) of 19 volts, and for a continuous current of 100 milliamps. It features a maximum reverse current of 50 microamps at the rated reverse voltage. It is designed to perform well in high-temperature environments, with one cycle performance from +260°C to -55°C. Finally, the component is constructed of lightweight, robust materials, making it ideal for use in a range of applications.

The 3EZ19DE3/TR12 component is well-suited for use in various electronic applications, especially those involving low amperage, such as transistors and small-scale resistors. Some of the common uses for this component include protection against voltage spikes and surges, protection against voltage drops, and voltage regulation. It is also used to regulate the current level in circuits, as well as in power supplies and other circuits that require steady output. Furthermore, this component is ideal for use in long-term operational applications, as it is designed to be extremely durable.

Working Principle

The 3EZ19DE3/TR12 component is a type of Zener diode, which utilizes a unique physical structure to regulate the voltage output of a circuit. This component is made up of two leaded electrodes, one an n-type semiconductor and the other a p-type semiconductor. The junction between these semiconductors is known as the depletion layer. When electrical current is applied to this layer, it produces a junction potential that can be properly controlled, resulting in the effective conversion of voltage and current.

The 3EZ19DE3/TR12 component works on a simple principle derivable from the junction potential. When a circuit is operating normally, the diode acts like an open switch, allowing current to pass through unimpeded. However, when the applied voltage exceeds the diode’s PRV rating, the depletion layer begins to operate, cutting off the current. This effectively regulates the voltage output of the circuit, ensuring that it does not go beyond the PRV rating.

Conclusion

The 3EZ19DE3/TR12 Zener diode is a very commonly used component in electronics. It is designed to regulate the voltage output of a circuit, ensuring that it does not exceed safe operating levels. Furthermore, it is robust and reliable, making it an ideal component for use in a range of applications. Finally, thanks to its simple working principle, it is a cost-effective and efficient way of providing voltage regulation.