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1N4747AHR1G - Semiconductor Diode
Product Overview
Category:
The 1N4747AHR1G belongs to the category of semiconductor diodes.
Use:
It is commonly used in electronic circuits for voltage regulation and rectification purposes.
Characteristics:
- Forward Voltage: 1.0V
- Reverse Voltage: 20V
- Power Dissipation: 1W
- Operating Temperature: -55°C to +175°C
Package:
The 1N4747AHR1G is typically available in a DO-41 package.
Essence:
This semiconductor diode is essential for maintaining stable voltage levels in electronic circuits.
Packaging/Quantity:
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Manufacturer: ON Semiconductor
- Part Number: 1N4747AHR1G
- Type: Zener Diode
- Voltage Tolerance: ±5%
- Maximum Reverse Leakage Current: 5μA
- Zener Impedance: 10Ω
- Mounting Type: Through Hole
- RoHS Compliant: Yes
Detailed Pin Configuration
The 1N4747AHR1G has two pins, with the anode and cathode clearly marked for easy identification.
Functional Features
- Voltage Regulation: The diode maintains a constant voltage across its terminals, ensuring stability in the circuit.
- Reverse Voltage Protection: It prevents damage to the circuit by limiting the reverse voltage that can be applied.
Advantages
- Precise Voltage Regulation: Ensures consistent voltage levels in the circuit.
- Compact Size: The diode is small and easy to integrate into circuit designs.
Disadvantages
- Limited Voltage Range: The diode is designed for specific voltage ranges and may not be suitable for broader applications.
- Power Dissipation Limit: The maximum power dissipation of 1W restricts its use in high-power applications.
Working Principles
The 1N4747AHR1G operates based on the principle of the Zener effect, where it allows current to flow in the reverse direction when the voltage reaches a specific threshold, effectively regulating the voltage across the circuit.
Detailed Application Field Plans
Voltage Regulation Circuits
The diode is widely used in voltage regulator circuits for stabilizing output voltages in various electronic devices such as power supplies, amplifiers, and sensors.
Overvoltage Protection
It is employed in circuits to protect sensitive components from damage due to overvoltage conditions, ensuring the safety and longevity of electronic systems.
Detailed and Complete Alternative Models
- 1N4733AHR1G
- 1N4734AHR1G
- 1N4735AHR1G
- 1N4736AHR1G
- 1N4737AHR1G
These alternative models offer similar voltage regulation capabilities and characteristics, providing flexibility in circuit design.
This content provides a comprehensive overview of the 1N4747AHR1G semiconductor diode, covering its basic information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
Énumérez 10 questions et réponses courantes liées à l'application de 1N4747AHR1G dans les solutions techniques
What is the 1N4747AHR1G?
- The 1N4747AHR1G is a Zener diode with a voltage rating of 20V and a power dissipation of 1W.
What are the typical applications of the 1N4747AHR1G?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4747AHR1G?
- The maximum current for reliable operation is around 50mA.
How does the 1N4747AHR1G provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4747AHR1G be used for overvoltage protection?
- Yes, it can be used to clamp the voltage at a specific level, protecting downstream components from excessive voltage.
What are the key parameters to consider when designing with the 1N4747AHR1G?
- Key parameters include the breakdown voltage, power dissipation, and maximum current.
Is the 1N4747AHR1G suitable for low-power applications?
- Yes, it is suitable for low-power applications due to its 1W power dissipation rating.
What are the temperature considerations for the 1N4747AHR1G?
- It has a specified operating temperature range, typically from -65°C to 200°C.
Can multiple 1N4747AHR1G diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current.
Are there any alternative components that can be used in place of the 1N4747AHR1G?
- Yes, other Zener diodes with similar voltage ratings and power dissipation capabilities can be considered as alternatives.