BZD27C33PHMHG

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Diodes generally refer to two-terminal power semiconductor devices that are widely used as rectifiers for converting AC currents into DC currents in power supplies, inverters and relays. A Zener diode is a special type of diode that, under forward-biasing, has a breakdown voltage threshold at its zener voltage designated by its manufacturer. It is this particular property of the Zener diode that makes it a suitable choice for voltage regulation, since the voltage drop across the diode can be carefully controlled once it has achieved breakdown. The BZD27C33PHMHG is a NXP Semiconductors single Zener diode, specifically designed for voltage regulating purposes in low-power applications.

In terms of structure, the BZD27C33PHMHG is a 2.7V Zener diode with a small power rating of maximum 500mW. The diode features a hermetically sealed, DO-35 style package formed utilizing an integrated glass passivation coating protecting its inner structures. Specifically, the diode is constructed with two terminals — an anode, and a cathode — connected to the semiconductor material layer deposited in the center. The body of the diode is made of an alloyed silicon housing to ensure high temperature stability and efficient heat sinking. This particular feature makes it a suitable choice for industrial use, such as in consumer electronics, audio industry, medical and medical instrumentation, automotive industry, server and storage industry and military aerospace.

The BZD27C33PHMHG is a unidirectional semiconductor device, meaning that it allows electricity to flow in one direction only. The diode features electron-storing and releasing properties, allowing it to store electrons in the forward direction and release them in the reverse direction. In the forward direction, the diode conducts current in a predictable manner, but in the reverse direction, it does not, as the zener voltage keeps electrons from reaching the reverse breakdown voltage. The controlled flow of electrons in the instable reverse direction is well-regulated by the zener voltage. When the voltage reaches the zener voltage, it activates the breakdown voltage, preventing the voltage from going any higher. This is the working principle behind its voltage regulating abilities, as well as its use in implementing voltage protections.

The BZD27C33PHMHG is also ideal for issuing precise voltage references due to its accurate zener voltage (2.7V) rating set by the manufacturer. Its hermetically sealed form factor ensures that the diode stays shielded against silt, dust, oxidation and similar contaminants. The DO-35 package also simplifies the job of heat sinking, further increasing its efficiency. Finally, it features a remarkable temperature coefficient of 2%/K, allowing it to function reliably within a large range of temperatures.

In short, the BZD27C33PHMHG is a single NXP Semiconductor Zener diode designed for voltage regulation and precise voltage referencing in a variety of low-power applications. It is characterized by its hermetically sealed, DO-35 style package, temperature coefficient of 2%/K, and accurately rated zener voltage of 2.7V. It is an ideal solution for areas such as consumer electronics, automotive, server and storage, medical and military aerospace.

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