1N4743AHR0G - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage regulation and rectification
- Characteristics: Zener diode, low leakage current, high reliability
- Package: Axial leaded, DO-41 package
- Essence: Regulates voltage by maintaining a constant output voltage
- Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer
Specifications
- Voltage: 13V
- Power Dissipation: 1W
- Tolerance: ±5%
- Operating Temperature: -65°C to +175°C
Detailed Pin Configuration
The 1N4743AHR0G has two leads, with the cathode marked by a band on the body of the diode.
Functional Features
- Maintains a constant voltage across its terminals
- Protects circuits from overvoltage conditions
- Low reverse leakage current
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- High reliability
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Tolerance may not be suitable for some applications
Working Principles
The 1N4743AHR0G operates based on the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse-biased.
Detailed Application Field Plans
This diode is commonly used in voltage regulation circuits, overvoltage protection, and as a voltage reference in various electronic devices such as power supplies, amplifiers, and sensors.
Detailed and Complete Alternative Models
- 1N4733AHR0G (5.1V)
- 1N4734AHR0G (5.6V)
- 1N4735AHR0G (6.2V)
- 1N4736AHR0G (6.8V)
- 1N4737AHR0G (7.5V)
In conclusion, the 1N4743AHR0G semiconductor diode is a reliable component for voltage regulation and overvoltage protection in various electronic applications.
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What is the 1N4743AHR0G diode used for?
- The 1N4743AHR0G is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4743AHR0G diode?
- The 1N4743AHR0G has a nominal voltage of 13 volts, making it suitable for applications requiring this specific voltage level.
How does the 1N4743AHR0G diode regulate voltage?
- The 1N4743AHR0G operates in the reverse-biased breakdown region, maintaining a nearly constant voltage drop across its terminals, effectively regulating the output voltage.
Can the 1N4743AHR0G be used for overvoltage protection?
- Yes, the 1N4743AHR0G can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage away from the circuit.
What are typical applications of the 1N4743AHR0G diode?
- Common applications include voltage regulation in power supplies, voltage reference circuits, and as a protective element in various electronic systems.
What is the maximum power dissipation of the 1N4743AHR0G diode?
- The 1N4743AHR0G has a maximum power dissipation rating of 1 watt, ensuring it can handle moderate power levels in typical applications.
Does the 1N4743AHR0G have polarity?
- Yes, the 1N4743AHR0G is a polarized device and must be connected with the correct orientation to function properly in a circuit.
What is the temperature coefficient of the 1N4743AHR0G diode?
- The temperature coefficient of the 1N4743AHR0G is typically around -2.2 mV/°C, indicating a relatively stable voltage reference over a range of temperatures.
Can multiple 1N4743AHR0G diodes be connected in series or parallel?
- Yes, multiple 1N4743AHR0G diodes can be connected in series to increase the total breakdown voltage or in parallel to share current in high-power applications.
Are there any special considerations for using the 1N4743AHR0G in high-frequency circuits?
- In high-frequency applications, the parasitic capacitance of the 1N4743AHR0G should be taken into account to avoid unintended effects on circuit performance.