1N4744P/TR12
Product Overview
Category:
The 1N4744P/TR12 belongs to the category of Zener diodes.
Use:
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics:
- Zener voltage: 15V
- Power dissipation: 1.0W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Tolerance: ±5%
Packaging/Quantity:
The 1N4744P/TR12 is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.
Specifications
- Zener voltage: 15V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4744P/TR12 Zener diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Voltage regulation: The 1N4744P/TR12 maintains a constant output voltage when reverse biased.
- Overvoltage protection: It prevents excessive voltage from damaging sensitive components in the circuit.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
The 1N4744P/TR12 operates based on the Zener effect, where it allows current to flow in the reverse direction once the voltage across it reaches the specified Zener voltage, effectively maintaining a constant voltage drop across its terminals.
Detailed Application Field Plans
The 1N4744P/TR12 is widely used in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting
Detailed and Complete Alternative Models
Some alternative models to the 1N4744P/TR12 include: - 1N4733A: Zener voltage of 5.1V - 1N4739A: Zener voltage of 9.1V - BZX55C15: Zener voltage of 15V
In conclusion, the 1N4744P/TR12 Zener diode is a versatile component that finds extensive use in voltage regulation and protection applications across various electronic circuits.
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기술 솔루션에 1N4744P/TR12 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
What is the 1N4744P/TR12 diode used for?
- The 1N4744P/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4744P/TR12 diode?
- The 1N4744P/TR12 has a nominal voltage of 15V, making it suitable for applications requiring a stable 15V reference voltage.
Can the 1N4744P/TR12 be used for overvoltage protection?
- Yes, the 1N4744P/TR12 can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
What are the typical applications of the 1N4744P/TR12 diode?
- Typical applications include voltage regulation in power supplies, voltage reference circuits, and overvoltage protection in various electronic devices.
What is the maximum power dissipation of the 1N4744P/TR12 diode?
- The 1N4744P/TR12 has a maximum power dissipation of 1.0W, allowing it to handle moderate power levels in circuit applications.
Is the 1N4744P/TR12 suitable for low current applications?
- Yes, the 1N4744P/TR12 is suitable for low current applications due to its low reverse leakage current and stable voltage regulation characteristics.
What is the temperature coefficient of the 1N4744P/TR12 diode?
- The temperature coefficient of the 1N4744P/TR12 is typically around -2mV/°C, ensuring relatively stable voltage regulation over a range of temperatures.
Can multiple 1N4744P/TR12 diodes be connected in series or parallel?
- Multiple 1N4744P/TR12 diodes can be connected in series to create higher voltage references, but connecting them in parallel is not recommended due to potential mismatching of characteristics.
Does the 1N4744P/TR12 require a heatsink in high-power applications?
- In high-power applications approaching the maximum power dissipation, a heatsink may be necessary to ensure proper thermal management and prevent overheating.
Are there any common failure modes associated with the 1N4744P/TR12 diode?
- Common failure modes include exceeding the maximum power dissipation, reverse breakdown due to excessive reverse voltage, and thermal overstress from inadequate heat dissipation.