JAN1N4982DUS

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The JAN1N4982DUS is a type of single Zener diode. It is a two-terminal, silicon-based device specifically designed for use in digital logic circuits, computer and multiplexer designs, and other low voltage applications. It is capable of handling high current and voltage levels and is extremely durable and reliable. As a member of the Zener diode family, the JAN1N4982DUS is used to maintain a constant, predetermined voltage in a circuit.

Structure and Characteristics

The JAN1N4982DUS has an anode lead connected to the p-type silicon junction and a cathode lead connected to the n-type silicon. It is constructed from discrete materials and is individually etched, ensuring high-quality performance. The JAN1N4982DUS\'s low forward conduction voltage and small reverse breakdown voltage make it well-suited for use in low-voltage applications.

The JAN1N4982DUS is able to handle a maximum continuous current of 5mA and a maximum reverse breakdown voltage of 3.5V. It operates at an ambient temperature range of -40°C to +90°C. The device is in a TO-92 (transistor outline) package and is available in both unipolar and bipolar constructions.

Application Field

One of the most common applications of the JAN1N4982DUS is in digital logic circuits. A Zener diode is an essential element of a logic gate and can keep the output of the gate at a predetermined voltage level. This allows for stable, repeatable results. Other common applications of the JAN1N4982DUS include power line regulation and voltage clamping, ESD protection, clock generator circuits, various signal conditioning circuits and multiplexer designs.

Working Principle

Zener diodes operate by allowing a specific voltage to be set across them – in this case, the JAN1N4982DUS\'s maximum reverse breakdown voltage of 3.5V. When the total voltage across the diode exceeds the reverse breakdown voltage, the excess voltage is diverted through the diode, maintaining a steady voltage across the diode. When the reverse breakdown voltage is reached, the diode functions as a short circuit, allowing the excess current to pass through.

The JAN1N4982DUS is also capable of dissipating some power by operating in the “normal” forward direction, where the diode is turned on. In this mode, it functions as a regular diode, allowing current to flow in one direction while blocking current in the opposite direction.

Conclusion

The JAN1N4982DUS is a single Zener diode designed for use in a wide range of low voltage applications. It operates by allowing a predetermined voltage to be set across it and by dissipating excess current in the reverse direction. Common applications of the JAN1N4982DUS include logic gate regulation, power line regulation, and voltage clamping. This reliable and durable device ensures that a stable voltage is maintained in a circuit.

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