1N4743 G
Product Overview
Category
The 1N4743 G is a Zener diode, which falls under the category of semiconductor devices.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Voltage: 13V
- Power Dissipation: 1W
- Package Type: DO-41
- Operating Temperature: -65°C to +200°C
- Zener Impedance: 5Ω
Packaging/Quantity
The 1N4743 G is typically available in tape and reel packaging with quantities varying based on manufacturer specifications.
Specifications
- Voltage: 13V
- Power Dissipation: 1W
- Zener Voltage Tolerance: ±5%
- Maximum Reverse Leakage Current: 5μA
- Maximum Temperature Coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4743 G has two pins, with the cathode being shorter than the anode. The pinout configuration is as follows: - Anode (A) - Cathode (K)
Functional Features
The 1N4743 G operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in input voltage or load current.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Voltage tolerance may not be suitable for some applications
Working Principles
When the voltage across the 1N4743 G exceeds its rated zener voltage, it begins to conduct in the reverse direction, effectively regulating the voltage across its terminals.
Detailed Application Field Plans
The 1N4743 G finds application in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4743 G include: - 1N4739A - 1N4742A - BZX85C13
In conclusion, the 1N4743 G Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection. Its compact size and wide operating temperature range make it suitable for various applications, although its limited power dissipation capability and voltage tolerance should be considered when selecting alternatives for specific use cases.
기술 솔루션에 1N4743 G 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure, here are 10 common questions and answers related to the application of 1N4743 G in technical solutions:
What is the 1N4743 G diode used for?
- The 1N4743 G is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4743 G diode?
- The 1N4743 G has a nominal voltage of 13 volts.
How does the 1N4743 G diode regulate voltage?
- The 1N4743 G operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4743 G be used for overvoltage protection?
- Yes, the 1N4743 G can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
What is the maximum power dissipation of the 1N4743 G diode?
- The 1N4743 G has a maximum power dissipation of 1 watt.
Is the 1N4743 G suitable for low-power applications?
- Yes, the 1N4743 G is commonly used in low-power voltage regulation and protection circuits.
What is the temperature coefficient of the 1N4743 G diode?
- The temperature coefficient of the 1N4743 G is typically around -2 mV/°C.
Can multiple 1N4743 G diodes be connected in series or parallel?
- Yes, multiple 1N4743 G diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity.
What is the typical forward voltage drop of the 1N4743 G diode?
- The typical forward voltage drop of the 1N4743 G is around 1.2 volts.
Are there any specific considerations for PCB layout when using the 1N4743 G diode?
- It's important to ensure proper heat dissipation and minimize trace lengths to reduce voltage drops in the circuit.
I hope these questions and answers are helpful for your technical solutions involving the 1N4743 G diode! Let me know if you need further assistance.