Xem thông số kỹ thuật để biết chi tiết sản phẩm.
1N4750A TR
Product Overview
The 1N4750A TR is a Zener diode, which falls under the category of semiconductor devices. It is commonly used for voltage regulation and protection in electronic circuits. The characteristics of this diode include its ability to maintain a constant voltage across its terminals when it is operated in the reverse breakdown region. The package type for the 1N4750A TR is typically through-hole, and it is available in various quantities per package.
Specifications
- Voltage: 27V
- Power Dissipation: 1W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4750A TR has two pins, anode and cathode, with the anode being the positive terminal and the cathode being the negative terminal.
Functional Features
The primary function of the 1N4750A TR is to regulate voltage by maintaining a constant output voltage under varying load conditions. It achieves this by entering the breakdown region when the reverse voltage across its terminals exceeds the specified value.
Advantages and Disadvantages
Advantages: - Precise voltage regulation - Protection against voltage spikes - Wide operating temperature range
Disadvantages: - Limited power dissipation capability - Voltage tolerance may not be suitable for some applications
Working Principles
When the reverse voltage across the 1N4750A TR exceeds its specified zener voltage, it allows current to flow in the reverse direction, effectively regulating the voltage across its terminals.
Detailed Application Field Plans
The 1N4750A TR is commonly used in: - Voltage regulators - Overvoltage protection circuits - Power supplies
Detailed and Complete Alternative Models
Some alternative models to the 1N4750A TR include: - 1N4749A TR (24V) - 1N4751A TR (30V) - BZX85C27 (27V)
In conclusion, the 1N4750A TR is a reliable Zener diode that finds widespread use in voltage regulation and protection applications. Its precise voltage regulation and wide operating temperature range make it a popular choice in various electronic circuits.
Word count: 298
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 1N4750A TR trong giải pháp kỹ thuật
What is the 1N4750A TR?
- The 1N4750A TR is a Zener diode with a voltage rating of 27V and a power rating of 1W.
What are the typical applications of the 1N4750A TR?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that the 1N4750A TR can handle?
- The maximum current for the 1N4750A TR is typically around 40-50 mA.
How does the 1N4750A TR provide voltage regulation?
- The Zener diode conducts in reverse bias when the voltage across it reaches its breakdown voltage, effectively regulating the voltage across the circuit.
What are the key specifications to consider when using the 1N4750A TR in a design?
- Key specifications include the breakdown voltage, power rating, and maximum current.
Can the 1N4750A TR be used for overvoltage protection?
- Yes, it can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
What are the typical operating conditions for the 1N4750A TR?
- It operates within a specified temperature range and should not exceed the maximum power dissipation.
Are there any specific layout considerations when using the 1N4750A TR?
- It's important to minimize lead lengths and ensure proper heat sinking if the diode will dissipate significant power.
Can multiple 1N4750A TR diodes be connected in series or parallel?
- Connecting Zener diodes in series can increase the breakdown voltage, while connecting them in parallel can increase the current-handling capability.
What are some common failure modes for the 1N4750A TR?
- Common failure modes include exceeding the maximum power dissipation, exceeding the maximum current, or exposure to excessive voltage transients.