1N748A

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.9V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	23 Ohms
Current - Reverse Leakage @ Vr:	2µA @ 10V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AA, DO-7, Axial
Supplier Device Package:	DO-7 (DO-204AA)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

1N748A Application Field and Working PrincipleThe 1N748A is an example of a Zener diode, which is a type of diode designed specifically to provide a reference voltage to another circuit. 1N748A is a single zener diode made of a silicon semiconductor, which works by allowing current to flow across it when a relatively low voltage is applied to it. The 1N748A has a wide range of uses, with many applications making use of its unique characteristics.The 1N748A diode can be used in a variety of ways to provide different types of voltage reference. For instance, it can be used as a voltage regulator in order to keep the voltage of output signals in a circuit at a constant level. This ensures that the output signals do not fluctuate and remain uniform over time. The 1N748A can also be used in a voltage divider circuit in order to provide a predetermined voltage level at a given point. Finally, the 1N748A can be used to create a zener voltage reference for various digital logic circuits, providing a stable and low-noise reference voltage for those circuits.The working principle behind the 1N748A diode is based on the fact that when a small enough voltage is applied to it, the diode will allow current to flow across it. The amount of current that can flow through the diode depends on the voltage applied, and the voltage will remain relatively constant even when the current reaches a certain value. This is the basis of the zener effect, which makes the 1N748A useful for many applications.In operation, the 1N748A will usually be connected to a regulated power supply. When the input power is applied and the 1N748A is switched on, current will begin to flow through it. As the current passes through the diode, it will cause a voltage to build across it, which will remain constant even when the current levels vary. The diode will therefore act as a voltage regulator, ensuring that the output voltage remains the same even if the current levels in the circuit fluctuate.In conclusion, the 1N748A is an example of a zener diode which has many uses in modern electronic circuits. It provides a constant reference voltage which can be used to regulate output signals, divide voltage levels, and provide a stable reference voltage for digital logic circuits. It works by allowing current to flow through it when a certain voltage is applied, with the voltage remaining relatively constant as the current varies. These characteristics make the 1N748A an important and versatile component in many electronic applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description