SMAJ4465CE3/TR13

Diodes - Zener - Single

   The SMAJ4465CE3/TR13 is a single-diode Zener diode (DZD), or transient-voltage-suppression diode, intended for the protection of electronic circuits against sudden or transient overvoltage damage due to electrostatic discharge (ESD), lightning, switching, overload and over-temperature events. It is commonly used in all types of electronic circuits, from simple logic gates and application-specific integrated circuits (ASICs) to low-voltage power supplies.   The SMAJ4465CE3/TR13 has two main components: the diode and the resistor. The diode is an asymmetrical semiconductor made of a p-type, n-type and n-type region. The electron current goes in one direction and the hole current goes in the other direction, leading them to a zener effect at a certain voltage level. This means that, when the voltage applied to the diode reaches a certain level, the diode stops operating, thus preventing an electrical overload from occurring in the circuit.   The resistor works in conjunction with the diode, by limiting the current flowing through the diode. By allowing the current to flow through the resistor only, it prevents any shorting of the diode that could damager or disable the circuit.   The SMAJ4465CE3/TR13 is designed to be placed between the input and output of a circuit. When an overload or transient voltage surge occurs, the diode is triggered, preventing the overvoltage from reaching the output of the circuit and damaging it. The resistor is then used to limit the current flowing through the diode, thus preventing it from being damaged.   In addition to the SMAJ4465CE3/TR13’s primary function, it can also be used as a voltage regulator, due to its ability to limit the voltage. By connecting the diode to the input of a circuit and the resistor to the output, it can be used to keep the output voltage within certain limits. This is done by having the diode break down at a certain voltage level, thereby preventing the output voltage from increasing beyond that point.   The SMAJ4465CE3/TR13 is a versatile device, intended for a wide range of applications. It can be used in automotive electronics, consumer electronics, telecommunications, industrial electronics, and computer systems. Its use in overvoltage protection is especially useful in applications where sensitive components are located close to high power components, such as in engines, microwaves and laser printers.   The SMAJ4465CE3/TR13 is an inexpensive and reliable device, offering good performance and long-term reliability. In terms of pricing, it is one of the most cost-effective protection devices available in the market. Its small size makes it suitable for integration into small form factor electronic devices, while its surface-mount technology allows easy installation into a variety of printed circuit boards.   In conclusion, the SMAJ4465CE3/TR13 offers users a highly reliable and cost-effective solution for protecting their circuits against overvoltage due to ESD, lightning, switching, overload, and over-temperature events. Its wide range of applications and small form factor make it an ideal choice for a wide range of systems.

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