PDZ9.1BGWJ

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A PDZ9.1BGWJ diode is a type of single Zener diode from STMicroelectronics. It is composed of two pieces of semiconductor material, doped with atomic impurities of two different kinds, with opposite conductivities. The Zener diode is specially designed to control the voltage across the semiconductor junction. The main application fields of this diode are voltage regulation, voltage clamping, and transient suppression.

The PDZ9.1BGWJ diode is capable of handling high power and it has a breakdown voltage of 9.1V. It is capable of handling up to 5 Watts. Additionally, it has a low reversal current of 2.5 μA and a leakage current of 15mA.

The working principle of the PDZ9.1BGWJ diode is based on the Zener effect, a phenomenon that happens when a non-ohmic device, such as a Zener diode, is reverse biased. This state increases the electric field, causing electrons to tunnel out of the extremely thin depletion zone, which is filled with ionized acceptors. This is known as the Zener breakdown, supporting a large current. The PDZ9.1BGWJ diode is designed to allow a reverse voltage lower than the breakdown voltage to flow in the diode with a relatively low current. When this happens the diode works in breakdown mode, which is the basis for its ability to regulate the voltage across the junction.

The main purpose of the PDZ9.1BGWJ diode is to provide a reliable and consistent way to regulate the voltage across a junction. It is capable of providing a stable voltage source for a circuit, no matter how the voltage of the input can vary. This can be used to protect circuits from large voltage spikes, such as those created during transient events, without affecting the normal operation of the circuit. This diode can also be used to provide a stable voltage reference or to provide a clamping mechanism for high-frequency signals.

In conclusion, the PDZ9.1BGWJ diode is a single Zener diode designed to provide voltage regulation, voltage clamping, and transient suppression. It is capable of handling high power up to 5 Watts and has a breakdown voltage of 9.1V. It uses the phenomenon of Zener breakdown to support a large current, and is mostly used to provide voltage regulation or clamping for high-frequency signals.

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