JAN1N4128DUR-1

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The JAN1N4128DUR-1 is a single Zener diode, a type of semiconductor component that is used in a wide range of applications. In general, Zener diodes are designed to regulate a voltage, by allowing current to flow in one direction while inhibiting it in the other. This makes them useful in a range of electronic control systems, where they can be used to reduce overvoltage surges, protect against overvoltage transients, and regulate voltage on low power circuits.

The JAN1N4128DUR-1 is a fairly common Zener diode, manufactured by Vishay Intertechnology. This component has a power dissipation of 500 mW, and a maximum zener voltage of 12 V, making it suitable for use in a wide range of applications. It has a typical forward voltage drop (VF) of 1.2 V, and a Vz tolerance of ± 5%. It is available in a standard E-line package, with a total lead length of 12.5 mm.

The JAN1N4128DUR-1 is used in a variety of applications, including regulating voltage for circuits running on low power supplies, and providing surge protection in electric motor applications. It can also be used in series with higher voltage Zener diodes, to provide level shifting in circuits. It can also serve as an on-off switch, by connecting it in series with a transistor or other switch, or be used in voltage clamping applications.

The working principle of the diode consists of applying a reverse voltage exceeding the nominal zener voltage (Vz) across the diode. Upon exceeding the Vz, the diode starts to conduct. The Voltage will remain close to Vz regardless of changes in current. One important characteristic of Zener diodes is that the current must remain below the peak inverse voltage (PIV), otherwise the diode will be destroyed. This means that the current should be limited to a safe level, depending on the PIV, in order to prevent damage of the device.

In conclusion, the JAN1N4128DUR-1 is a single Zener diode, a type of semiconductor component used for voltage regulation, surge protection, and other applications. This component is manufactured by Vishay Intertechnology, and has a power dissipation of 500 mW and a maximum zener voltage of 12 V. Its working principle consists of connecting it across a reverse voltage exceeding the nominal zener voltage (Vz), and limiting the current to a safe level to prevent damage of the device.

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