Allicdata Part #: | 1N4738APE3/TR12-ND |
Manufacturer Part#: |
1N4738APE3/TR12 |
Price: | $ 0.50 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Microsemi Corporation |
Short Description: | DIODE ZENER 8.2V 1W DO204AL |
More Detail: | Zener Diode 8.2V 1W ±5% Through Hole DO-204AL (DO-... |
DataSheet: | 1N4738APE3/TR12 Datasheet/PDF |
Quantity: | 1000 |
4000 +: | $ 0.44651 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Voltage - Zener (Nom) (Vz): | 8.2V |
Tolerance: | ±5% |
Power - Max: | 1W |
Impedance (Max) (Zzt): | 4.5 Ohms |
Current - Reverse Leakage @ Vr: | 10µA @ 6V |
Voltage - Forward (Vf) (Max) @ If: | 1.2V @ 200mA |
Operating Temperature: | -65°C ~ 150°C |
Mounting Type: | Through Hole |
Package / Case: | DO-204AL, DO-41, Axial |
Supplier Device Package: | DO-204AL (DO-41) |
Base Part Number: | 1N4738 |
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1N4738APE3/TR12 Application Field and Working Principle
The 1N4738APE3/TR12 is a Zener diode, a type of semiconductor that uses a highly doped zener junction to allow current to flow in both directions. This particular diode is widely used in circuit protection and voltage regulation, primarily because of its wide range of voltages, low power dissipation, and low maximum operating temperature. The 1N4738APE3/TR12 is a single junction, crystalline silicon material type, with a maximum operating temperature of 75°C, and a maximum operating voltage of 12V.
Application
The 1N4738APE3/TR12 is widely used in electronics applications where voltage regulation, or maintaining a steady voltage level, is needed. This diode is commonly found in power supplies, automotive systems, TV sets, and other consumer electronics. It is also used in circuit protection systems, due to its ability to conduct and dissipate low voltage and current levels.
Working Principle
The 1N4738APE3/TR12 works according to the principle of a Zener diode. When the reverse voltage applied to the diode reaches its breakdown or "Zener" voltage, known as Vz, the diode will start to conduct in the reverse direction. The Zener voltage, along with the breakdown current, are the two main characteristics of a Zener diode, and it is these two characteristics that make them ideal for use in voltage regulation and protection.
One of the most important characteristics of the 1N4738APE3/TR12 is its low power dissipation. This means that the diode will not heat up, even when it is being used with currents beyond its rated forward voltage. This makes this diode suitable for applications where power dissipation is a major concern. The 1N4738APE3/TR12 can also handle transient current spikes without any additional protection, making it suitable for use in transient protection applications, such as voltage-controlled amplifiers.
The 1N4738APE3/TR12 is also able to withstand high surge currents when it is operating in its reverse bias mode. This makes it ideal for use in voltage regulation applications where the surge current can be higher than the normal operating current.
Conclusion
The 1N4738APE3/TR12 is a single junction, crystalline silicon material type Zener diode. It is mainly used for voltage regulation and protection due to its wide range of voltages and low power dissipation. The diode is capable of handling transient current spikes, making it ideal for use in transient protection applications. It can also withstand high surge currents when operating in its reverse bias mode. In addition, its low power dissipation makes it suitable for applications where power dissipation is a major concern.
The specific data is subject to PDF, and the above content is for reference
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