1N4747APE3/TR8 - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage regulation and rectification
- Characteristics: Zener diode, low leakage current, high reliability
- Package: DO-41
- Essence: Regulating voltage in electronic circuits
- Packaging/Quantity: Available in reels of 5000 units
Specifications
- Voltage: 20V
- Power Dissipation: 1.0W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4747APE3/TR8 has two pins, with the cathode connected to the semiconductor's N-type material and the anode connected to the P-type material.
Functional Features
- Provides a constant voltage output when reverse biased
- Protects sensitive components from voltage spikes
- Low dynamic resistance for stable regulation
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- High reliability and stability
- Low leakage current
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
The 1N4747APE3/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased, allowing it to regulate voltage in electronic circuits.
Detailed Application Field Plans
This diode is commonly used in voltage regulator circuits, overvoltage protection, and as a reference element in precision voltage sources. It finds applications in power supplies, instrumentation, and automotive electronics.
Detailed and Complete Alternative Models
- 1N4733A: 5.1V Zener diode
- 1N4739A: 9.1V Zener diode
- BZX55C10: 10V Zener diode
- BZX85C15: 15V Zener diode
This comprehensive entry provides detailed information about the 1N4747APE3/TR8 semiconductor diode, including its specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
技術ソリューションにおける 1N4747APE3/TR8 の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the 1N4747APE3/TR8?
- The 1N4747APE3/TR8 is a Zener diode with a voltage rating of 20V and a power rating of 1W.
What are the typical applications of the 1N4747APE3/TR8?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4747APE3/TR8?
- The maximum current for reliable operation is typically around 100mA.
How does the 1N4747APE3/TR8 provide voltage regulation?
- The Zener diode conducts in the reverse-biased direction when the voltage across it reaches its breakdown voltage, effectively regulating the voltage across the circuit.
Can the 1N4747APE3/TR8 be used for overvoltage protection?
- Yes, it can be used to shunt excess voltage away from sensitive components in a circuit, protecting them from damage.
What are the key specifications to consider when using the 1N4747APE3/TR8 in a design?
- Key specifications include the breakdown voltage, power rating, and maximum current.
Are there any temperature considerations when using the 1N4747APE3/TR8?
- Yes, the operating and storage temperatures should be within the specified range to ensure proper performance and reliability.
Can multiple 1N4747APE3/TR8 diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.
What are some common alternatives to the 1N4747APE3/TR8?
- Alternatives include other Zener diodes with similar voltage and power ratings, such as the 1N4748A or BZX55C20.
Where can I find detailed application notes for using the 1N4747APE3/TR8 in technical solutions?
- Detailed application notes can often be found in the datasheet provided by the manufacturer or in technical reference materials related to Zener diode applications.