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1N4739A BK Encyclopedia Entry
Product Overview
The 1N4739A BK is a semiconductor device belonging to the category of Zener diodes. It is commonly used for voltage regulation and voltage reference applications due to its unique characteristics. The device is available in various packages, with different packaging/quantity options to suit diverse user requirements.
Basic Information
- Category: Zener Diode
- Use: Voltage regulation and reference
- Characteristics: Precise voltage regulation, low impedance, and temperature stability
- Package: Various package options available
- Essence: Provides stable voltage output under varying load conditions
- Packaging/Quantity: Available in different packaging options and quantities to meet specific needs
Specifications
The 1N4739A BK Zener diode has the following specifications: - Voltage: 9.1V - Power Dissipation: 1.3W - Operating Temperature Range: -65°C to +200°C - Tolerance: ±5%
Detailed Pin Configuration
The 1N4739A BK Zener diode has a standard pin configuration with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.
Functional Features
- Voltage Regulation: Maintains a constant voltage across the load
- Low Impedance: Allows for efficient current flow
- Temperature Stability: Minimal voltage variation with temperature changes
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Low impedance for efficient operation
- Temperature stability for reliable performance
Disadvantages
- Limited voltage options compared to other Zener diodes
- Sensitive to overvoltage conditions
Working Principles
The 1N4739A BK Zener diode operates based on the principle of the Zener effect, which allows it to maintain a constant voltage drop across its terminals by conducting in the reverse-biased direction when the voltage reaches its breakdown voltage.
Detailed Application Field Plans
The 1N4739A BK Zener diode finds extensive application in various fields, including: - Voltage regulators in power supplies - Voltage reference circuits in instrumentation - Overvoltage protection in electronic systems
Detailed and Complete Alternative Models
Some alternative models to the 1N4739A BK Zener diode include: - 1N4728A BK (3.3V) - 1N4744A BK (15V) - 1N4761A BK (75V)
In summary, the 1N4739A BK Zener diode is a versatile semiconductor device that offers precise voltage regulation and reference capabilities, making it suitable for a wide range of applications in electronics and electrical systems.
Word Count: 410
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 1N4739A BK trong giải pháp kỹ thuật
What is the 1N4739A BK?
- The 1N4739A BK is a Zener diode with a voltage rating of 9.1V.
What are the typical applications of the 1N4739A BK?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum power dissipation of the 1N4739A BK?
- The maximum power dissipation is 1.3W.
What is the operating temperature range of the 1N4739A BK?
- The operating temperature range is typically -65°C to +200°C.
What is the forward voltage drop of the 1N4739A BK?
- The forward voltage drop is around 1.2V.
How does the 1N4739A BK behave in reverse bias?
- In reverse bias, it behaves as a normal diode until the breakdown voltage is reached, at which point it conducts in the reverse direction.
What is the tolerance of the voltage rating for the 1N4739A BK?
- The tolerance is typically ±5%.
Can the 1N4739A BK be used for precision voltage references?
- While it can be used for general voltage references, it may not be suitable for precision applications due to its tolerance.
What are some common alternatives to the 1N4739A BK?
- Alternatives include other Zener diodes with similar voltage ratings, such as the 1N4739 or BZX55C9V1.
Are there any specific layout considerations when using the 1N4739A BK?
- It's important to ensure proper heat sinking and minimize lead lengths to reduce thermal effects and maintain stability.