1N4928A

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The 1N4928A is a high-power Zener diode designed for high-level industrial, military and space applications. It is designed to work between 8V and 55V in low-power and high-power applications. It features high-voltage, low-current capability and is resistant to very high-voltage transients. The 1N4928A has a reverse avalanche breakdown voltage of 8V and a very low dynamic resistance of 0.32Ω.

Zener diodes are widely used in many circuit designs to help provide an overload protection in applications that require a greater capacity than standard diodes. A Zener diode typically operates in a reverse-bias condition, which means that the anode is connected to the negative power supply terminal, and the cathode is connected to the positive power supply terminal. The 1N4928A has a reverse-bias breakdown voltage limit of 8V and a maximum power dissipation rating of 1.1W.

The main purpose of a Zener diode is to protect the circuit from an overload condition in the magnitude of reverse voltage. It provides a very different solution when the reverse voltage exceeded a certain range and overload protection is needed. The Zener diode operates in a reverse-biased condition and has two modes of operation it can be a very simple diode that blocks current leakage, or it can be a very sophisticated diode that is capable of setting a voltage limiting threshold. When connected to a power source, a Zener diode allows current to flow in the reverse direction when the voltage reaches a certain level. The practical benefit of the Zener diode is that it maintains the integrity of the voltage provided by the power supply, even in the presence of the external electrical disturbances that would otherwise break down the circuit.

The 1N4928A is very reliable and is capable of withstand strong transient voltage surges. It has been proven to maintain circuit integrity in the presence of very high-voltage transients and to break down within a predictable voltage range. This Zener diode also offers excellent protection for sensitive electronic components and circuits. This protection is provided by providing an efficient and safe current limiting capability to prevent overloaded conditions from affecting the operation of the circuit.

In addition to its overload protection, the 1N4928A is also used in several applications. In AC switching power supplies, the diode can help regulate the voltage level by providing the necessary current limiting. It is also used in voltage clamping circuits and can serve to protect sensitive components against instantaneous overvoltage and help prevent shock hazards. Its low dynamic resistance ensures very low current flow during normal operation, which is especially important in high-precision circuits.

The 1N4928A is a well-designed, highly reliable Zener diode capable of providing exceptional performance in industrial, military and space applications. Its low dynamic resistance and high-voltage capacity makes it ideal for high-aliasing and low-power circuits where current limitation is required. Its wide range of application possibilities make it a versatile choice for many engineer designs. Its reverse-biased breakdown voltage enables it to protect sensitive components and the circuit from overloads and current limiting, while its high power rating is suitable for applications where high power is needed.

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