Allicdata Part #: | 1N4747PE3/TR8-ND |
Manufacturer Part#: |
1N4747PE3/TR8 |
Price: | $ 0.54 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Microsemi Corporation |
Short Description: | DIODE ZENER 20V 1W DO204AL |
More Detail: | Zener Diode 20V 1W ±10% Through Hole DO-204AL (DO-... |
DataSheet: | 1N4747PE3/TR8 Datasheet/PDF |
Quantity: | 1000 |
1500 +: | $ 0.48620 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Voltage - Zener (Nom) (Vz): | 20V |
Tolerance: | ±10% |
Power - Max: | 1W |
Impedance (Max) (Zzt): | 22 Ohms |
Current - Reverse Leakage @ Vr: | 5µA @ 15.2V |
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: | 1N4747 |
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1N4747PE3/TR8 is a single Zener diode, typically available in 3.3V and 5.1V breakdown voltages and the cost is relatively lower than other diodes. It is mainly used in applications requiring reverse or surge currents with low voltages, such as voltage regulator circuits, voltage stabilization, and overvoltage protection devices. This paper will discuss the application field and working principle of 1N4747PE3/TR8 diode.
Application Field
Mainly due to its low cost, 1N4747PE3/TR8 is widely used in many industrial, commercial and automotive applications. One of the most common application is voltage regulation and stabilization. For example, in power supplies, a series of 1N4747PE3/TR8 diodes are connected in series to the output of a rectifier circuit, allowing for a stable output supply voltage regulation. This is often called a “Zener Regulation” due to the use of Zener diodes. The 1N4747PE3/TR8 diode can also used for surge protection in areas with high levels of electrical noise such as telecommunication systems and motor control systems. This is done by connecting the diode in parallel with the circuit. The diode will then protect the circuit by diverting the extra voltage away from it, preventing short-circuiting.
Working Principle
The 1N4747PE3/TR8 diode is a Zener diode and they work based on a phenomenon called Zener breakdown. Whenever a voltage higher than the breakdown voltage or “Zener” voltage is applied to the diode, electrons get attracted towards the P-type region and cross it, creating a large number of electron-hole pairs. This increase in number of electron-hole pairs causes a huge current loss that reduces the voltage of the circuit. This is called Zener breakdown. This allows the diodes to be used for regulating the voltage in a circuit and playing a role in overvoltage protection.
In summary, 1N4747PE3/TR8 single Zener diodes are used for a variety of purposes. The most notable application is in voltage regulation and stabilization, where it can be used to regulate the output of a rectifier circuit. The diode is also used for surge protection by diverting the extra voltage away from a circuit and preventing short-circuiting. The working principle of the diode is based on the Zener breakdown phenomenon. This paper discussed application field and working principle of 1N4747PE3/TR8 diode.
The specific data is subject to PDF, and the above content is for reference
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1N4752A-TAP | Vishay Semic... | -- | 1000 | DIODE ZENER 33V 1.3W DO41... |
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1N4755ATR | SMC Diode So... | 0.04 $ | 2500 | DIODE ZENER 43V 1W DO41Ze... |
1N4735ATA | SMC Diode So... | -- | 5000 | DIODE ZENER 6.2V 1W DO41Z... |
1N4738ATA | SMC Diode So... | -- | 2500 | DIODE ZENER 8.2V 1W DO41Z... |
1N4740ATA | SMC Diode So... | -- | 2500 | DIODE ZENER 10V 1W DO41Ze... |
1N4743ATA | SMC Diode So... | -- | 2500 | DIODE ZENER 13V 1W DO41Ze... |
1N4744ATA | SMC Diode So... | -- | 2500 | DIODE ZENER 15V 1W DO41Ze... |
1N4746ATA | SMC Diode So... | -- | 2500 | DIODE ZENER 18V 1W DO41Ze... |
1N4747ATA | SMC Diode So... | 0.04 $ | 2500 | DIODE ZENER 20V 1W DO41Ze... |
1N4743A TR | Central Semi... | 0.07 $ | 5000 | DIODE ZENER 13V 1W DO41Ze... |
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1N4728A | ON Semicondu... | -- | 10143 | DIODE ZENER 3.3V 1W DO41Z... |
1N4737A | ON Semicondu... | -- | 1000 | DIODE ZENER 7.5V 1W DO41Z... |
1N4739A | ON Semicondu... | -- | 3639 | DIODE ZENER 9.1V 1W DO41Z... |
1N4732A | ON Semicondu... | -- | 4069 | DIODE ZENER 4.7V 1W DO41Z... |
1N4743A | ON Semicondu... | -- | 3461 | DIODE ZENER 13V 1W DO41Ze... |
1N4740A | ON Semicondu... | -- | 17773 | DIODE ZENER 10V 1W DO41Ze... |
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