JAN1N3029B-1

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Diodes - Zener - Single

JAN1N3029B-1 diodes are single Zener diodes, they are most commonly used in voltage regulation and semiconductor engineering applications, as a measure of protection in many types of power systems, and in pulse techniques. It is often used as a type of protection for other components for small current differential parallel connection applications.

Application Field

JAN1N3029B-1 diodes are primarily used in high current and high power (in the range of 0.6 amps to 5 amps) systems such as in computer, communication, automotive and industrial applications. They are also widely used for low voltage regulation in high frequency applications, as current clamping and pulse transformer applications. They are suitable for switching high voltages, particularly when the power requirement is very low.

Working Principle

JAN1N3029B-1 diodes are capable of carrying currents up to 5 amps, but are typically limited to around 0.6 amps owing to their small package size. It works on the principle of Avalanche Breakdown, whereby it blows an infinitesimal gap in the diodes, which then causes a spark that is greater than the breakdown voltage of the diode. This spark is strong enough to cause a change in the applied voltage for to protect other components.

These diodes have a well-defined pair of thresholds, which can be used to regulate the steady state voltage across it. In other words, the breakdown voltage acts as the lower threshold, and the avalanche breakdown voltage acts as the upper threshold, thus allowing the Zener Diode to drop or increase the base voltage at different input voltage level.

The JAN1N3029B-1 diodes are also capable of providing a certain amount of protection against transients and harmful electrical shocks. This is achieved by clamping the voltage at a certain level whenever a transient or shock passes through the diode. As the diode only allows a maximum current to pass through it, it can also be used as a type of current limiter in the primary power circuit.

The Zener diode is also useful in the digital logic circuit, where it finds application in the logic gates. The logic gates require a low power supply to work properly, and the main function of a Zener diode is to limit the power supply as required. In digital logic circuits, the power supply voltage is provided by two sources, a positive and a negative source. The Zener diode can be used to limit the power supply voltage of each source and protect the components from overvoltage.

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