JAN1N6490US

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The JAN1N6490US is a 1.5 watt silicon axial-leaded Zener diode. It is used as a voltage regulator and pass element in both low and medium voltage systems. It is also commonly used as a temperature compensated Zener diode for heavy current applications, such as motor and generator control.

The JAN1N6490US belongs to diodes family and is a single Zener diode. Generally, diodes are used as voltage and current regulating devices, specifically in the form of a single cell. A single Zener diode is essentially an electronic device that operates in either a forward or a reverse direction, depending on the voltage applied across its terminals. When the forward bias is applied, the device will allow current to flow freely in one direction, while blocking any current flow in the opposite direction. When the reverse bias is applied, the opposite occurs; current will flow freely in the reverse direction and be blocked in the forward direction.

The most common application of the JAN1N6490US is in the form of a voltage regulator. However, its sufficient reverse breakdown voltage also enables it to be used as a temperature compensated Zener diode, a characteristic which is advantageous in heavy current applications. This specific device can withstand a maximum reverse voltage of 6.2 Volts, while maintaining a regulated voltage drop of 5.1V.

With regards to the Zener diode’s operating temperature range, the positive temperature coefficient (TIGHTEN) allows for a reduced voltage drop below +25°C. Similarly, the thermally induced gain effect compensates for the degradation experienced at higher temperatures. In applications involving relatively large average power dissipation, it must be made sure that the device has sufficient thermal management in order to avoid decreasing its maximum rating.

Overall, the JAN1N6490US is an ideal choice for variations of uses due to its unique combination of features, including its maximum reverse voltage rating, temperature compensated capacity and low-power dissipation. These features guarantee stable and reliable voltage regulation, enabling a wide range of applications from low to medium voltage systems.

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