1N4739AUR
Product Overview
Category
The 1N4739AUR belongs to the category of semiconductor devices, specifically zener diodes.
Use
It is commonly used for voltage regulation and voltage reference applications.
Characteristics
- Zener voltage: 9.1V
- Power dissipation: 1.3W
- Package: DO-41
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
Packaging/Quantity
The 1N4739AUR is typically available in reels or tubes with varying quantities depending on the manufacturer.
Specifications
- Zener voltage: 9.1V
- Power dissipation: 1.3W
- Maximum forward voltage: 1.2V
- Maximum reverse current: 5μA
- Operating temperature range: -65°C to +200°C
Detailed Pin Configuration
The 1N4739AUR has two pins, anode, and cathode, which are denoted by the standard pinout for DO-41 package.
Functional Features
The 1N4739AUR operates as a voltage regulator, maintaining a constant output voltage across a wide range of load variations and input voltages.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Susceptible to damage from excessive current or voltage spikes
Working Principles
The 1N4739AUR functions based on the principle of the zener effect, where it maintains a nearly constant voltage across its terminals when operated in the reverse breakdown region.
Detailed Application Field Plans
The 1N4739AUR finds extensive use in various electronic circuits such as: - Voltage regulators - Voltage references - Overvoltage protection circuits - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4739AUR include: - 1N4738AUR (Zener voltage: 8.7V) - 1N4740AUR (Zener voltage: 10V) - BZX55C9V1 (Zener voltage: 9.1V)
In conclusion, the 1N4739AUR zener diode serves as a crucial component in electronic circuits requiring precise voltage regulation and reference. Its compact size and wide operating temperature range make it suitable for diverse applications, although care must be taken to avoid exceeding its power dissipation limits and subjecting it to excessive current or voltage spikes.
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技術ソリューションにおける 1N4739AUR の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the 1N4739AUR?
- The 1N4739AUR is a Zener diode with a voltage rating of 9.1V and a power rating of 1W.
What are the typical applications of the 1N4739AUR?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4739AUR?
- The maximum current for reliable operation is typically around 200mA.
How does the 1N4739AUR provide voltage regulation?
- The Zener diode conducts in reverse bias when the voltage across it reaches its breakdown voltage, effectively regulating the voltage.
Can the 1N4739AUR be used for overvoltage protection?
- Yes, it can be used to shunt excess voltage and protect sensitive components in a circuit.
What are the key characteristics of the 1N4739AUR?
- Its key characteristics include a precise breakdown voltage, low dynamic impedance, and good stability over a wide range of operating currents.
Is the 1N4739AUR suitable for high-frequency applications?
- It is not recommended for high-frequency applications due to its inherent capacitance and response time.
What are the temperature considerations for the 1N4739AUR?
- The device's performance is affected by temperature, so thermal management is important for maintaining its reliability.
Can multiple 1N4739AUR diodes be connected in series or parallel?
- Yes, they can be connected in series to achieve higher breakdown voltages or in parallel to increase the current-handling capability.
Where can I find detailed specifications and application notes for the 1N4739AUR?
- Detailed specifications and application notes can be found in the manufacturer's datasheet and application guides.