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1N4757AUR
Product Overview
Category
The 1N4757AUR belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and voltage reference applications.
Characteristics
- Zener voltage: 43V
- Power dissipation: 1.3W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Packaging/quantity: Tape & Reel, 5000 per reel
Essence
The 1N4757AUR is an industry-standard Zener diode known for its stable and precise voltage regulation capabilities.
Specifications
- Zener voltage: 43V
- Power dissipation: 1.3W
- Maximum forward voltage: 1.1V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4757AUR has a standard DO-41 package with two leads. The cathode is denoted by a band on the body of the diode.
Functional Features
- Precise voltage regulation
- Low reverse leakage current
- High reliability and stability
Advantages and Disadvantages
Advantages
- Accurate voltage regulation
- Wide operating temperature range
- High power dissipation capability
Disadvantages
- Sensitive to temperature variations
- Limited current handling capacity
Working Principles
The 1N4757AUR operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.
Detailed Application Field Plans
The 1N4757AUR is widely used in: - Voltage regulators - Power supplies - Voltage reference circuits - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4757AUR include: - 1N4730A - 1N4744A - 1N4761A - BZX85C43
In conclusion, the 1N4757AUR Zener diode is a reliable component known for its precise voltage regulation and wide application in various electronic circuits.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4757AUR v technických řešeních
What is the 1N4757AUR?
- The 1N4757AUR is a Zener diode with a voltage rating of 43 volts and a power dissipation of 1 watt.
What are the typical applications of 1N4757AUR?
- It is commonly used in voltage regulation, surge suppression, and overvoltage protection circuits.
What is the maximum current that 1N4757AUR can handle?
- The maximum current for 1N4757AUR is typically around 40 mA.
How does 1N4757AUR provide voltage regulation?
- It operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when the current is within its specified range.
Can 1N4757AUR be used for overvoltage protection?
- Yes, it can be used to clamp the voltage at a specific level, protecting sensitive components from overvoltage conditions.
What are the key specifications to consider when using 1N4757AUR in a circuit?
- Key specifications include its voltage rating, power dissipation, and maximum current.
Are there any temperature considerations when using 1N4757AUR?
- Yes, like most semiconductor devices, the operating temperature range should be considered to ensure proper performance.
Can multiple 1N4757AUR diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capability.
What are the potential failure modes of 1N4757AUR?
- Common failure modes include thermal runaway, excessive current, and voltage spikes beyond its ratings.
Where can I find detailed application notes for using 1N4757AUR in technical solutions?
- Detailed application notes can be found in the datasheet provided by the manufacturer or in technical reference manuals for Zener diode applications.