JANTX1N4496DUS

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Diodes - Zener - Single components are typically semiconductor devices that act as a reverse-voltage regulator and are used for a myriad of applications ranging from switching and rectification to voltage regulation. The JANTX1N4496DUS Zener Diode is no exception to this. It is a 35 Volt device and has a power dissipation of 500mW. This component has a wide range of interesting applications and can find use in many engineering and electronic hobbyist projects.

The JANTX1N4496DUS Typical Characteristics

The typical characteristics associated with the JANTX1N4496DUS Zener Diode include its reverse leakage current, which is typically 0.1mA. It also has an exceedingly low zener impedance at a very low VZ of only 5 volts and its maximum reverse voltage of 35 volts. These two important aspects make this diode ideal for situations where stability and reliability are key considerations and where a low voltage drop is desired. Additionally, it is AEC-Q101 qualified and RoHS compliant, making it a suitable choice for use in automotive applications as well.

Applications for the JANTX1N4496DUS

The JANTX1N4496DUS Zener Diode can find use in a variety of applications, such as regulating the voltage in microprocessors and other digital circuits, offer protection against voltage transients, and even in protection circuits. One of the most common applications of this device is as a shunt regulator in various DC to DC adjustable regulators. It can also serve as an on/off switch in some applications. Due to its low zener impedance, it is a great choice for systems that utilize high voltage transients frequently, such as in Automated Test Equipment. Additionally, it can find use in high voltage rectification, fuses, and other voltage regulation products. As such, this diode can certainly prove to be a valuable component in many applications, from the hobbyist level up to the industrial level.

JANTX1N4496DUS Working Principle

The JANTX1N4496DUS Zener Diode works according to the same principles as other Zener diodes. It consists of anintrinsic semiconductor material, such as silicon or germanium, with impurities in the crystal lattice that create a diode junction. When the voltage across the diode exceeds the Zener voltage (VZ), the majority of current flowing through the diode will transition from normal conduction to a non-linear breakdown process. This causes the voltage across the diode to drop to the breakdown voltage level and clamps the voltage of the circuit, even in presence of voltage transients as large as the Zener voltage.

The actual method of current conduction used by a Zener diode is dependent on the material and the design of the diode. For example, the JANTX1N4496DUS Zener Diode uses a Zener Enhanced Avalanche Breakdown, which is achieved by introducing impurities into the intrinsic semiconductor material. This causes the semiconductor material’s conduction band to be filled with electrons, forming an avalanche breakdown. The result is that in the presence of a voltage greater than the VZ, electrons tend to accelerate, finally reaching a velocity high enough to cause further breakdown. This mechanism allows the diode to conduct current even in high voltage transients.

Conclusion

The JANTX1N4496DUS Zener Diode is the perfect choice of diode for individual and hobby-level projects that require voltage regulation, rectification, and protection against voltage transients. Its wide range of typical characteristics makes it perfect for dealing with high voltage transients and its low zener impedance offers stability and low voltage drop. Its AEC-Q101 qualified and RoHS compliant design makes it suitable for use in automotive applications as well. Its working principle is dependent on the Zener Enhanced Avalanche Breakdown, which allows it to conduct current even in high voltage transients.

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