JANTX1N4974CUS

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Diodes are electronic components used to direct electrical current flow by utilizing the characteristics of a p-n junction. The JANTX1N4974CUS is a type of diode specifically designed to function as a Zener diode. As a single device, the JANTX1N4974CUS works to protect against damage caused by high voltage outputs. The Zener diode contains two electrodes, a cathode and an anode, which are separated by a region containing a special kind of semiconductor material known as the depletion layer.

The JANTX1N4974CUS has a rated breakdown voltage of 30V, meaning that when the voltage between the cathode and anode exceeds this value, the diode is triggered and begins allowing current to pass in the reverse direction. This effect is known as Zener breakdown and is the operating principle of a Zener diode. After the breakdown voltage has been exceeded, the diode begins to conduct from the cathode to the anode, thereby protecting the circuit from further damage that could occur from a voltage surge. As the voltage increase continues, the current starts to increase proportionally until the voltage reaches a predetermined limit.

As a result of this Zener effect, the JANTX1N4974CUS is typically used in overvoltage protection applications. The device can be rapidly and reliably triggered when the voltage exceeds the rated breakdown voltage, thus providing protection to the connected components and circuits. Apart from protection against high voltage surges, the JANTX1N4974CUS can also be utilized in dynamic clamping circuits, voltage limiter applications, and voltage references. With an operational temperature range of -55 to +125°C, this diode can also be used in harsh environmental conditions.

The JANTX1N4974CUS, being a single device, features two pins, the anode and the cathode, which make up the p-n junction. The diode is generally supplied in a DO-35 package, which provides mechanical protection and robustness to the device in order to survive hostile environmental conditions. As for maximum power dissipation, the device can sustain a power of 250mW without resulting in any permanent damage.

In summary, the JANTX1N4974CUS is a single-type Zener diode primarily used in overvoltage protection applications. With a rated breakdown voltage of 30V, this device can conduct in the reverse direction when the voltage exceeds the breakdown voltage, mitigating any damaging surges. The diode is excellent for dynamic clamping circuits, voltage limiter applications, and voltage references and offers a maximum power dissipation of 250mW. Finally, the JANTX1N4974CUS is supplied in a DO-35 package, allowing it to work reliably in extreme environmental conditions.

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