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1N4744PE3/TR12
Product Overview
Category
The 1N4744PE3/TR12 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a specific voltage across their terminals.
Use
This product is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.
Characteristics
- Voltage Regulation: The 1N4744PE3/TR12 maintains a constant voltage across its terminals, making it suitable for various applications.
- Stability: It offers stable performance over a wide range of operating conditions.
- Reliability: Known for its durability and long operational life.
- Package: The product is available in a compact, industry-standard package.
Packaging/Quantity
The 1N4744PE3/TR12 is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Voltage: 15V
- Power Dissipation: 1.0W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
- Package Type: DO-41
Detailed Pin Configuration
The 1N4744PE3/TR12 features a standard DO-41 package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.
Functional Features
- Voltage Regulation: The Zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
- Overvoltage Protection: It helps protect sensitive components by diverting excess voltage away from them.
Advantages and Disadvantages
Advantages
- Reliable voltage regulation
- Overvoltage protection
- Compact form factor
Disadvantages
- Limited current handling capability
- Sensitivity to temperature variations
Working Principles
The 1N4744PE3/TR12 operates based on the principle of the Zener effect, where it allows current to flow in the reverse direction when the applied voltage reaches its breakdown voltage. This characteristic enables it to regulate voltage in electronic circuits.
Detailed Application Field Plans
The 1N4744PE3/TR12 finds extensive use in various electronic applications, including: - Voltage regulators - Power supplies - Signal clamping circuits - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4744PE3/TR12 include: - 1N4733A: 5.1V Zener diode - 1N4739A: 9.1V Zener diode - 1N4748A: 18V Zener diode
These alternatives offer different breakdown voltages to suit specific application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4744PE3/TR12 v technických řešeních
What is the 1N4744PE3/TR12 diode used for?
- The 1N4744PE3/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4744PE3/TR12 diode?
- The 1N4744PE3/TR12 has a nominal voltage of 15V, making it suitable for applications requiring a stable 15V reference voltage.
How does the 1N4744PE3/TR12 diode regulate voltage?
- The 1N4744PE3/TR12 operates in the reverse-biased breakdown region, maintaining a constant voltage drop across its terminals, effectively regulating the output voltage.
Can the 1N4744PE3/TR12 be used for overvoltage protection?
- Yes, the 1N4744PE3/TR12 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are typical applications for the 1N4744PE3/TR12 diode?
- Common applications include voltage regulators, voltage references, overvoltage protection circuits, and precision power supplies.
What is the maximum power dissipation of the 1N4744PE3/TR12 diode?
- The 1N4744PE3/TR12 has a maximum power dissipation of 1.0W, allowing it to handle moderate power levels in circuit designs.
Is the 1N4744PE3/TR12 suitable for automotive electronics?
- Yes, the 1N4744PE3/TR12 can be used in automotive applications where stable voltage regulation and overvoltage protection are required.
What is the temperature coefficient of the 1N4744PE3/TR12 diode?
- The temperature coefficient is typically around -2mV/°C, indicating a relatively stable voltage reference over a range of temperatures.
Can multiple 1N4744PE3/TR12 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 1N4744PE3/TR12 in a PCB design?
- It's important to minimize trace lengths and provide adequate heat sinking to ensure proper performance and reliability of the diode in the circuit.