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1N4742AUR
Product Overview
Category
The 1N4742AUR belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and voltage reference applications.
Characteristics
- Voltage regulation
- Reverse breakdown voltage: 12V
- Power dissipation: 1.0W
- Operating temperature range: -65°C to +200°C
Package
The 1N4742AUR is available in a DO-41 package.
Essence
This Zener diode is designed to provide stable and precise voltage regulation in various electronic circuits.
Packaging/Quantity
It is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Reverse breakdown voltage: 12V
- Tolerance: ±5%
- Maximum reverse leakage current: 5μA
- Maximum voltage regulation: 1.0W
Detailed Pin Configuration
The 1N4742AUR has two pins, anode and cathode, which are identified by their physical orientation within the DO-41 package.
Functional Features
- Precise voltage regulation
- Low reverse leakage current
- High power dissipation capability
Advantages and Disadvantages
Advantages
- Stable voltage regulation
- Wide operating temperature range
- High power dissipation
Disadvantages
- Tolerance of ±5% may not be suitable for highly precise applications
Working Principles
The 1N4742AUR operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.
Detailed Application Field Plans
The 1N4742AUR is widely used in: - Voltage regulators - Power supplies - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4742AUR include: - 1N4732A - 1N4743A - BZX55C12
In conclusion, the 1N4742AUR Zener diode offers stable voltage regulation and finds extensive use in various electronic circuits requiring precise voltage references. Its characteristics, specifications, and application field plans make it a valuable component in the realm of electronics.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N4742AUR in technische oplossingen
What is the 1N4742AUR?
- The 1N4742AUR is a Zener diode with a voltage rating of 12 volts and a power rating of 1 watt.
What are the typical applications of the 1N4742AUR?
- The 1N4742AUR is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4742AUR?
- The maximum current for the 1N4742AUR is typically around 100 mA.
How does the 1N4742AUR provide voltage regulation?
- The 1N4742AUR operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4742AUR be used for overvoltage protection?
- Yes, the 1N4742AUR can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
What are the key specifications to consider when using the 1N4742AUR in a circuit?
- Key specifications include the voltage rating, power dissipation, and maximum current handling capability.
Are there any temperature considerations when using the 1N4742AUR?
- Yes, the 1N4742AUR's performance can be affected by temperature, so it's important to consider its temperature coefficient and operating range.
Can multiple 1N4742AUR diodes be connected in series or parallel?
- Yes, multiple 1N4742AUR diodes can be connected in series to increase the total breakdown voltage, but connecting them in parallel is not recommended due to current sharing issues.
What are some common alternatives to the 1N4742AUR?
- Common alternatives include other Zener diodes with similar voltage and power ratings, such as the 1N4742 or BZX55C12.
Where can I find detailed application notes for using the 1N4742AUR in technical solutions?
- Detailed application notes can be found in the datasheet provided by the manufacturer or in technical resources from electronics component distributors.