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1N4745AHR1G
Product Overview
Category
The 1N4745AHR1G belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 16V
- Power dissipation: 1W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
Packaging/Quantity
The 1N4745AHR1G is typically available in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Zener voltage: 16V
- Power dissipation: 1W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4745AHR1G has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Voltage regulation: The 1N4745AHR1G maintains a constant voltage across its terminals, providing stability in electronic circuits.
- Overvoltage protection: It prevents excessive voltage from damaging sensitive components by diverting excess current.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Susceptible to thermal runaway under high power conditions
Working Principles
The 1N4745AHR1G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified Zener voltage.
Detailed Application Field Plans
The 1N4745AHR1G is widely used in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting
Detailed and Complete Alternative Models
Some alternative models to the 1N4745AHR1G include: - 1N4733A: Zener voltage of 5.1V - 1N4746A: Zener voltage of 18V - BZX55C16: Zener voltage of 16V
In conclusion, the 1N4745AHR1G Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 1N4745AHR1G trong giải pháp kỹ thuật
What is the 1N4745AHR1G diode used for?
- The 1N4745AHR1G is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the maximum power dissipation of the 1N4745AHR1G?
- The maximum power dissipation of the 1N4745AHR1G is 1.3 watts.
What is the voltage rating of the 1N4745AHR1G?
- The 1N4745AHR1G has a nominal voltage rating of 16 volts.
How does the 1N4745AHR1G regulate voltage?
- The 1N4745AHR1G regulates voltage by maintaining a constant output voltage across its terminals, even when the input voltage varies.
Can the 1N4745AHR1G be used for overvoltage protection?
- Yes, the 1N4745AHR1G can be used for overvoltage protection by shunting excess voltage to ground.
What are the typical applications of the 1N4745AHR1G?
- Typical applications include voltage regulation in power supplies, voltage reference circuits, and overvoltage protection in electronic systems.
What is the temperature coefficient of the 1N4745AHR1G?
- The temperature coefficient of the 1N4745AHR1G is typically around 5 mV/°C.
What is the maximum forward voltage drop of the 1N4745AHR1G?
- The maximum forward voltage drop of the 1N4745AHR1G is 1.2 volts at a forward current of 1 A.
Is the 1N4745AHR1G suitable for automotive applications?
- Yes, the 1N4745AHR1G is suitable for automotive applications where voltage regulation and overvoltage protection are required.
What are the key differences between the 1N4745AHR1G and other Zener diodes?
- The 1N4745AHR1G offers a specific voltage rating of 16 volts and a power dissipation of 1.3 watts, making it suitable for specific voltage regulation and protection applications.