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1N4743AHR1G - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage Regulation
- Characteristics: Zener Diode, 13V, 1W, DO-41 Package
- Package: DO-41
- Essence: Regulating voltage in electronic circuits
- Packaging/Quantity: Available in reels or bulk quantities
Specifications
- Voltage: 13V
- Power Dissipation: 1W
- Tolerance: ±5%
- Operating Temperature: -65°C to +200°C
- Forward Voltage: 1.2V
- Reverse Current: 5µA
Detailed Pin Configuration
The 1N4743AHR1G has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Zener Effect: Exhibits a sharp breakdown voltage at which it starts conducting in reverse bias.
- Voltage Regulation: Maintains a constant voltage across its terminals.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Low cost
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature changes
Working Principles
The 1N4743AHR1G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased. This allows it to regulate voltage in electronic circuits by diverting excess current.
Detailed Application Field Plans
This diode is commonly used in voltage regulator circuits, overvoltage protection, and as a reference element in precision voltage sources. It finds applications in power supplies, instrumentation, and automotive electronics.
Detailed and Complete Alternative Models
- 1N4730AHR1G (3.9V, 1W)
- 1N4731AHR1G (4.3V, 1W)
- 1N4732AHR1G (4.7V, 1W)
- 1N4733AHR1G (5.1V, 1W)
- 1N4734AHR1G (5.6V, 1W)
- 1N4735AHR1G (6.2V, 1W)
- 1N4736AHR1G (6.8V, 1W)
- 1N4737AHR1G (7.5V, 1W)
- 1N4738AHR1G (8.2V, 1W)
- 1N4739AHR1G (9.1V, 1W)
- 1N4740AHR1G (10V, 1W)
- 1N4741AHR1G (11V, 1W)
- 1N4742AHR1G (12V, 1W)
- 1N4743AHR1G (13V, 1W) - Main model
- 1N4744AHR1G (15V, 1W)
- 1N4745AHR1G (16V, 1W)
- 1N4746AHR1G (18V, 1W)
- 1N4747AHR1G (20V, 1W)
- 1N4748AHR1G (22V, 1W)
- 1N4749AHR1G (24V, 1W)
This comprehensive range of alternative models provides various voltage options for different applications.
Total words: 470
Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui 1N4743AHR1G în soluțiile tehnice
What is the 1N4743AHR1G?
- The 1N4743AHR1G is a Zener diode with a voltage rating of 13V and a power rating of 1W.
What are the typical applications of the 1N4743AHR1G?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4743AHR1G?
- The maximum current for reliable operation is typically around 50mA.
How does the 1N4743AHR1G function in a voltage regulation circuit?
- It maintains a constant output voltage by conducting when the input voltage exceeds its breakdown voltage.
Can the 1N4743AHR1G be used for reverse polarity protection?
- Yes, it can be used to protect sensitive components from damage due to reverse polarity connections.
What are the temperature considerations for the 1N4743AHR1G?
- It has a specified operating temperature range, typically from -65°C to 200°C, which should be observed for reliable performance.
Is the 1N4743AHR1G suitable for high-frequency applications?
- It may not be ideal for high-frequency applications due to its inherent capacitance and response time.
What are the key differences between the 1N4743AHR1G and other Zener diodes?
- Its specific voltage rating and power dissipation capabilities distinguish it from other Zener diodes.
Can multiple 1N4743AHR1G 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 capacity.
Are there any common failure modes associated with the 1N4743AHR1G?
- Common failure modes include exceeding the maximum power dissipation, exceeding the maximum current, or exposure to temperatures outside the specified range.