DZ2J09100L Discrete Semiconductor Products

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The DZ2J09100L is a single-diode-type Zener, which belongs to a large family of voltage regulating components. There are several types of such devices and they have various applications and functions, this particular unit being a fast-recovery, shunt regulator.

Featuring a breakdown voltage of 9.1V, this diode is designed to provide a steady and constant voltage output under normal operating conditions. It is a low-voltage, low-noise, high-current design and is particularly suitable for power control and applications where noise-free operation is of high importance.

In addition, this type of device is also used in niche markets such as automotive, high-power LED and other relevant applications, where stable and accurate voltage regulation requirements are paramount.

The working principle of the DZ2J09100L is simple but efficient, and it relies on the Zener effect. In order to understand this principle, some knowledge of the basic structure of a diode is necessary. Basically, a diode is a semiconductor device with two active regions, the anode and a cathode, the diode allowing electric current to flow in one direction only.

When the voltage across the diode exceeds the so-called Zener Breakdown Voltage or Zener Voltage, a breakdown occurs and a dynamic equilibrium is established between the electric field and the minority carrier concentrations. As a result, the voltage across the diode remains constant despite changes in current and/or temperature.

The DZ2J09100L maximizes the advantages of this effect in order to provide a stable voltage output. It features a reverse voltage breakdown of 9.1V with a Zener Impedance of 200 ohms. Unlike other devices, the Zener diode is designed to allow current to flow in both directions, not just from anode to cathode. This ensures that the device can effectively regulate a fluctuating output voltage.

The most important characteristic of the DZ2J09100L is its high-current capability. Thanks to its 150mA rating, this diode is highly suitable for applications that require heavy current loads such as high-power LEDs and automotive electronics.

In general, this device exhibits very low power dissipation, which helps reduce the heat generated in the application. It also has a wide operating temperature range, from -55°C to +100°C, making it suitable for applications in hostile environments.

To sum up, the DZ2J09100L is a single diode-type Zener with a breakdown voltage of 9.1V. It is ideal for power control and other applications where accurate and stable voltage regulation is of high importance. Thanks to its high-current capability and low power dissipation, it is particularly suitable for automotive and LED applications.

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