1N935A

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Part Status:	Active

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Diodes – Zener – Single: 1N935A Application Field and Working Principle

The 1N935A zener diode is a single, low-power zener diode designed for use in low power circuits. It is a single-junction device that utilizes temperature regulation and other techniques to maintain a narrow range of reverse voltage. It is produced using one of two possible types of fabrication technologies, epoxy package or hermetic sealed.Zener diodes are widely used in applications such as voltage regulation, voltage reference, low-power switching, and polarity protection. It is also used for radio frequency applications where it is desirable to adjust the frequency of operation. The 1N935A is a particularly popular choice for these applications due to its wide operating temperature range, its low Vf, and very low noise generation.The application field of 1N935A is wide, from voltage regulation to television receivers, car electronics, electronic power supplies, digital integrated circuits and LED dimmers. In all of these applications, the primary function of the 1N935A is to provide a stable and reliable way to maintain a set voltage across the zener diode.The 1N935A zener diode works on the principle of avalanche breakdown. Its operation is based on the fact that when a reverse bias is applied to a diode, electrons accumulate in the n-type part of the diode, while holes accumulate in the p-type part. This is known as the depletion region. The reverse voltage present in the depletion region reaches a certain point, known as the zener voltage, where the depletion region becomes thin enough for electrons and holes to become free and recombine. This creates a conductive path across the diode, known as avalanche breakdown, allowing current to flow from anode to cathode.The 1N935A uses two key components to regulate voltage: a control pin and temperature compensation circuitry. The control pin, which is connected to a voltage source, is used to adjust the current flowing through the diode. This allows the user to adjust the zener voltage, as the current and voltage are directly related. The temperature compensation circuitry is used to regulate the voltage applied to the diode in a manner that compensates for temperature variations.In summary, the 1N935A zener diode is a small, single-junction device designed to provide a stable and reliable voltage regulation function. The device utilizes both a control pin and temperature compensation circuitry to regulate the zener voltage across it. It is a very popular device in a wide variety of applications, ranging from voltage regulation to television receivers.

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