1N4979US
Product Overview
Category
The 1N4979US is a semiconductor diode belonging to the category of rectifier diodes.
Use
It is commonly used in electronic circuits for rectification and voltage regulation.
Characteristics
- Forward Voltage: 1V
- Reverse Voltage: 20V
- Current Rating: 1A
- Fast switching speed
Package
The 1N4979US is typically available in a DO-41 package.
Essence
This diode serves as a crucial component in converting alternating current (AC) to direct current (DC) in various electronic applications.
Packaging/Quantity
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Forward Voltage Drop: 1V
- Reverse Voltage: 20V
- Maximum Continuous Forward Current: 1A
- Maximum Surge Current: 30A
- Operating Temperature Range: -65°C to +175°C
Detailed Pin Configuration
The 1N4979US has two pins, anode, and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.
Functional Features
- High current capability
- Fast recovery time
- Low forward voltage drop
Advantages
- Efficient rectification of AC to DC
- Fast switching speed
- Reliable voltage regulation
Disadvantages
- Limited reverse voltage tolerance
- Susceptible to thermal runaway at high currents
Working Principles
The 1N4979US operates based on the principle of unidirectional conduction, allowing current flow in one direction while blocking it in the opposite direction. When forward-biased, it conducts current, facilitating the conversion of AC to DC.
Detailed Application Field Plans
The 1N4979US finds extensive use in: - Power supply units - Battery chargers - Voltage regulators - Inverters - Switching power supplies
Detailed and Complete Alternative Models
Some alternative models to the 1N4979US include: - 1N4001 - 1N5408 - 1N5819 - 1N4148
In conclusion, the 1N4979US rectifier diode is a vital component in electronic circuits, offering efficient rectification and voltage regulation capabilities. Its fast switching speed and high current capability make it suitable for diverse applications in power electronics and voltage conversion.
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10 pirs û bersivên hevpar ên têkildarî sepana 1N4979US di çareseriyên teknîkî de navnîş bikin
What is 1N4979US?
- 1N4979US is a Zener diode with a voltage rating of 12 volts and a power rating of 5 watts.
What are the typical applications of 1N4979US?
- 1N4979US is commonly used in voltage regulation, surge suppression, and overvoltage protection in various electronic circuits.
What is the maximum current that 1N4979US can handle?
- The maximum current for 1N4979US is typically around 417 mA.
How does 1N4979US provide voltage regulation?
- 1N4979US operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals when the current through it is within specified limits.
Can 1N4979US be used for overvoltage protection?
- Yes, 1N4979US can be used to protect sensitive components from overvoltage by shunting excess voltage away from the protected circuit.
What are the key specifications to consider when using 1N4979US in a design?
- Key specifications include the voltage rating, power rating, maximum current, and temperature coefficient.
Is 1N4979US suitable for automotive applications?
- Yes, 1N4979US can be used in automotive applications where voltage regulation or overvoltage protection is required.
What are the thermal considerations when using 1N4979US?
- It's important to consider the power dissipation and thermal resistance of 1N4979US to ensure proper heat management in the application.
Can 1N4979US be used in high-frequency circuits?
- While 1N4979US can function in high-frequency circuits, its response time and capacitance should be considered for such applications.
Are there any alternative components that can be used in place of 1N4979US?
- Depending on the specific requirements, alternative Zener diodes with similar voltage and power ratings may be suitable replacements for 1N4979US.