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What is 1SMA4748 R3G?

1SMA4748 R3G is a type of diode, specifically a Zener diode, which is an electrical component that functions to regulate the voltage across a circuit. This type of diode is part of the Single diode family, and is used in many applications such as providing protection against over-voltage, or preventing over-discharge in an electrical system.

Application Field of 1SMA4748 R3G

1SMA4748 R3G is a versatile type of Zener diode which is used in a variety of applications. It is most often used in power supplies, and can be used to help regulate the voltage in order to maintain the correct level in a circuit. It is also used in electronic circuits, where it can be used to isolate one part of the circuit from another, and can also be used as a form of over-voltage protection. This type of diode can also be used to prevent against over-current, or short-circuit, in an electrical system.

Other applications for 1SMA4748 R3G include being used as a voltage reference in a circuit, or being used in automotive systems as part of their ECU (Engine Control Unit). This type of diode has a relatively low forward voltage drop, and is able to handle relatively high amounts of current, making it suitable for use in a wide range of applications.

Working Principle of 1SMA4748 R3G

1SMA4748 R3G functions as a type of voltage regulator. When the voltage across the diode reaches a certain threshold, the diode will begin to conduct, allowing current to flow through the diode, thus regulating the voltage across the circuit. The diode remains in the conducting state until the voltage across the diode falls back below the Zener voltage. This Zener voltage is a specific voltage value depending on the type of diode being used, and the value of the Zener voltage is typically printed on the diode.

The 1SMA4748 R3G diode is able to handle relatively high amounts of current, as its maximum power dissipation is 1/2 watt. It also has a relatively low forward voltage drop, making it suitable for applications where power consumption needs to be minimized. The diode is capable of handling up to 20 volts of reverse voltage and up to 5 mA of forward current.

Conclusion

1SMA4748 R3G is an excellent choice for a variety of applications, and is a type of Zener diode which belongs to the Single diode family. It is an excellent voltage regulator, as it will begin to conduct when the voltage across the diode reaches a certain threshold, thus regulating the voltage across a circuit. It is also capable of handling relatively high levels of current, making it suitable for a range of applications.

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