1N748AUR-1

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The 1N748AUR-1 is part of the Zener diodes family and is a single zener diode. Zener diodes are vital components in a wide variety of electronic circuits because of their ability to regulate voltage. While the 1N748AUR-1 diode is primarily used for voltage regulation, it is also found in a variety of other applications.

The 1N748AUR-1 is a two-lead, axial-leaded, voltage regulating diode. Its datasheet categorizes it as a discrete semiconductor, with a breakdown voltage (Vz) of 5 volts and a tolerance of ±5%. This means its maximum voltage is 5 volts, with a tolerance of down to 4.75 volts, or up to 5.25 volts. It is usually encased in a DO-41 plastic package and is rated for a power dissipation of 500mW or 0.5W.

The most common use for the 1N748AUR-1 diode is in voltage regulation or voltage clamping circuits. When a circuit needs a consistent supply of voltage without fluctuation, the 1N748AUR-1 can be used. By connecting the diode across a power supply, any excess voltages are clamped to the Zener voltage of 5 volts, and any voltage drops are maintained at 5 volts as well. This creates a stable voltage supply in the circuit.

The 1N748AUR-1 diode can also be used in voltage sensing applications. By connecting the diode between two nodes of different voltages, it is able to sense when there is a difference. When the voltage across the diode reaches its threshold, the diode will conduct and separate the two nodes. This is useful in applications such as motors, where a voltage monitor is needed to ensure the circuit does not become overloaded.

The working principle of the 1N748AUR-1 diode is based on its Zener effect. The Zener effect occurs when a small electric current flows through a silicon semiconductor when there is a reverse voltage of over 5 volts. When the voltage reaches the breakdown voltage (Vz) of the diode, it starts to conduct and regulate the supply voltage. This prevents the voltage from surging beyond the 5 volts, creating a steady and regulated supply.

Overall, the 1N748AUR-1 diode is an important component in a variety of electronic circuits. It is primarily used for voltage regulation and provides a consistent supply of power by preventing fluctuations or surges. It can also be used in voltage sensing applications, where it can detect differences in voltage levels. Its working principle, based on the Zener effect, makes it a reliable and durable addition to any circuit.

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