1N2828B

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1N2828B is a type of Zener diode device, which is typically utilized as an electronic regulating device with a relatively low power and medium current. It exhibits significantly better performance than conventional diode devices when utilized in applications such as voltage regulation, voltage avalanche, current rectification and so on.

The unique design of 1N2828B devices provides designers with a robust device with reverse voltage options ranging from 5.6V to 200V as well as stand-off power ratings from 60mW to 1500mW. Incorporating a full-wave rectifier and Zener action, these devices ensure the highest level of efficiency and performance, capable of the stabilizing voltage over a wide range of operating conditions.

Additionally, 1N2828B devices feature optimally designed lead frames designed for maximum thermal conduction and contact area, along with exceptionally low reverse leakage current. These components possess low voltage drops and capacitive-dissipative characteristics, and are widely used for low-power surge suppression circuits, as a stabilizing element for Zener voltage references, and in many other applications.

The working principle of the 1N2828B can be explained with either a simplified or detailed view of its operation.

In the simplest terms, the 1N2828B is a reverse-biased diode. When current enters the diode’s anode, the diode’s junction potential, or "breakdown voltage", is exceeded and a reverse current passes through the device. The reverse current is a limitation for the voltage applied to the device. When the voltage reaches the breakdown voltage, the current increases rapidly and allows the device to become saturated.

When this happens, a layer of charge carrier depletion builds up around the junction and induces what is called a blocking voltage. With increased voltage, the charge carriers start to jump across the junction and increase the current. This phenomenon is known as the Zener breakdown. The breakdown voltage of the diode is equal to the Zener voltage, and the current that appears after the breakdown is equal to the Zener current.

Under low voltage conditions, the 1N2828B operates as a linear diode characterized by a relatively low forward voltage drop across its terminals. However, when the voltage exceeds the breakdown voltage, the device becomes a Zener diode and works as an efficient voltage regulator. The device enables the regulation of current to a stipulated amount regardless of how high the voltage gets.

The 1N2828B is mainly used for the applications which require high-current and reliable voltage control, such as voltage regulators and voltage references. Also, it can be used in power supplies, surge protectors, and current limiters. High reverse leakage currents, low forward voltage drops, high breakdown voltages, and small semiconductor area requirements of the device make it suitable for many applications.

In conclusion, 1N2828B is a versatile Zener diode device with a range of reverse voltage options and power ratings making it ideal for a broad range of applications. The device is capable of stabilizing voltage with high efficiency, and effectively regulating current. Featuring a full-wave rectifier and Zener action, 1N2828B is a reliable and effective choice for designers requiring an economical and compact device.

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