1N4743PE3/TR8 - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage Regulation
- Characteristics: Zener diode, low reverse leakage, precise voltage regulation
- Package: DO-41
- Essence: Regulates voltage by maintaining a constant output voltage across its terminals
- Packaging/Quantity: Typically available in reels of 1000 units
Specifications
- Voltage: 13V
- Power Dissipation: 1W
- Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4743PE3/TR8 is a two-terminal device with an anode and a cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.
Functional Features
- Provides stable voltage regulation
- Protects circuits from overvoltage
- Low reverse leakage current
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Low cost
Disadvantages
- Limited power dissipation capability
- Tolerance may not be suitable for some applications
Working Principles
The 1N4743PE3/TR8 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased. This allows it to regulate the voltage in a circuit, ensuring a stable output.
Detailed Application Field Plans
The 1N4743PE3/TR8 is commonly used in various electronic devices such as: - Voltage regulators - Power supplies - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4743PE3/TR8 include: - 1N4733A: 5.1V Zener diode - 1N4744A: 15V Zener diode - BZX55C13: 13V Zener diode
In conclusion, the 1N4743PE3/TR8 is a crucial component in electronic circuits, providing stable voltage regulation and overvoltage protection. Its compact size and precise characteristics make it a popular choice in various applications.
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技術ソリューションにおける 1N4743PE3/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 1N4743PE3/TR8 diode used for?
- The 1N4743PE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4743PE3/TR8 diode?
- The 1N4743PE3/TR8 has a nominal voltage of 13V, making it suitable for applications requiring stable voltage references.
How does the 1N4743PE3/TR8 diode regulate voltage?
- The 1N4743PE3/TR8 operates in the reverse breakdown region, maintaining a constant voltage drop across its terminals to regulate the output voltage.
Can the 1N4743PE3/TR8 be used for overvoltage protection?
- Yes, the 1N4743PE3/TR8 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4743PE3/TR8 diode?
- Common applications include voltage regulators, voltage references, and overvoltage protection in various electronic circuits.
What is the maximum power dissipation of the 1N4743PE3/TR8 diode?
- The 1N4743PE3/TR8 has a maximum power dissipation of 1W, allowing it to handle moderate power levels in circuit designs.
Is the 1N4743PE3/TR8 suitable for automotive electronics?
- Yes, the 1N4743PE3/TR8 can be used in automotive applications where stable voltage regulation and overvoltage protection are required.
What is the temperature coefficient of the 1N4743PE3/TR8 diode?
- The temperature coefficient is typically around -2mV/°C, indicating a relatively stable voltage reference over a range of temperatures.
Can multiple 1N4743PE3/TR8 diodes be connected in series or parallel?
- Yes, multiple diodes can be connected in series to achieve higher voltage ratings or in parallel to increase current-handling capability.
Are there any specific layout considerations when using the 1N4743PE3/TR8 in a PCB design?
- It's important to ensure proper heat sinking and adequate trace widths to handle the current passing through the diode, especially in high-power applications.