1N4742AP/TR8
Product Overview
Category:
The 1N4742AP/TR8 belongs to the category of Zener diodes.
Use:
It is commonly used for voltage regulation and voltage reference applications.
Characteristics:
- Zener voltage: 12V
- Power dissipation: 1.0W
- Package type: Axial leaded
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
Package:
The 1N4742AP/TR8 is typically available in a DO-41 package.
Packaging/Quantity:
It is usually packaged in reels with a quantity of 2500 units per reel.
Specifications
- Zener voltage: 12V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 5mV/°C
Detailed Pin Configuration
The 1N4742AP/TR8 has a standard axial leaded configuration with two leads, one anode, and one cathode.
Functional Features
- Precise voltage regulation
- Low reverse leakage current
- High reliability and stability
- Fast response time
Advantages and Disadvantages
Advantages
- Accurate voltage regulation
- Wide operating temperature range
- Compact and easy to use
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature variations
Working Principles
The 1N4742AP/TR8 operates based on the Zener effect, which allows it to maintain a constant voltage across its terminals when it is reverse-biased and operated within its specified current and power limits.
Detailed Application Field Plans
The 1N4742AP/TR8 is widely used in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4742AP/TR8 include: - 1N4732A: Zener voltage of 4.7V - 1N4763A: Zener voltage of 91V - BZX85C12: Zener voltage of 12V
In conclusion, the 1N4742AP/TR8 Zener diode is a reliable and widely used component in electronic circuits requiring precise voltage regulation and reference. Its compact size, stable characteristics, and wide operating temperature range make it suitable for various applications in the electronics industry.
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기술 솔루션에 1N4742AP/TR8 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
What is the 1N4742AP/TR8?
- The 1N4742AP/TR8 is a Zener diode with a voltage rating of 12V and a power rating of 1W.
What are the typical applications of the 1N4742AP/TR8?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum power dissipation of the 1N4742AP/TR8?
- The maximum power dissipation is 1W.
What is the voltage tolerance of the 1N4742AP/TR8?
- The voltage tolerance is typically +/-5%.
What is the operating temperature range of the 1N4742AP/TR8?
- The operating temperature range is usually -65°C to +200°C.
How does the 1N4742AP/TR8 behave in reverse bias?
- In reverse bias, it behaves as a regular diode until the breakdown voltage is reached, at which point it conducts in the reverse direction.
Can the 1N4742AP/TR8 be used for voltage regulation in a power supply?
- Yes, it can be used as a voltage regulator to maintain a constant output voltage.
What are the key differences between the 1N4742AP/TR8 and other Zener diodes?
- The 1N4742AP/TR8 has a specific voltage rating of 12V and a power rating of 1W, distinguishing it from other Zener diodes.
How should the 1N4742AP/TR8 be connected in a circuit?
- It should be connected in reverse bias, with the cathode connected to the positive side and the anode to the negative side.
Are there any precautions to consider when using the 1N4742AP/TR8 in a circuit?
- It's important to ensure that the maximum power dissipation and voltage ratings are not exceeded to prevent damage to the diode.