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1N821A
Product Overview
Category
The 1N821A belongs to the category of semiconductor devices.
Use
It is commonly used as a voltage regulator in electronic circuits.
Characteristics
- The 1N821A is known for its stable and precise voltage regulation capabilities.
- It is designed to operate within specific temperature ranges, making it suitable for various applications.
- This device exhibits low noise and high reliability, contributing to its widespread use in electronic systems.
Package
The 1N821A is typically available in a small, discrete package, allowing for easy integration into circuit designs.
Essence
The essence of the 1N821A lies in its ability to provide consistent voltage regulation, ensuring the proper functioning of electronic components.
Packaging/Quantity
It is commonly packaged in reels or tubes, with varying quantities based on manufacturer specifications.
Specifications
- Voltage Regulation: 5.6V
- Power Dissipation: 500mW
- Operating Temperature Range: -55°C to 175°C
- Forward Voltage Drop: 1.5V (maximum)
Detailed Pin Configuration
The 1N821A features a standard diode package with two leads. The anode and cathode are clearly marked for easy identification and connection within a circuit.
Functional Features
The 1N821A acts as a precision voltage reference, maintaining a constant output voltage despite changes in input voltage or load conditions. It provides stability and accuracy crucial for the proper operation of electronic systems.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Low noise operation
- High reliability
- Wide operating temperature range
Disadvantages
- Limited current handling capability
- Higher cost compared to some alternative models
Working Principles
The 1N821A operates based on the principles of zener diode voltage regulation. When the input voltage exceeds the specified zener voltage, the device conducts, effectively regulating the output voltage to the desired level.
Detailed Application Field Plans
The 1N821A finds extensive use in various electronic applications, including: - Voltage reference circuits - Power supply stabilization - Sensor interface circuits - Precision analog signal conditioning
Detailed and Complete Alternative Models
Some alternative models to the 1N821A include: - 1N823A - 1N825A - 1N827A - 1N829A
These alternatives offer similar voltage regulation capabilities and may vary in terms of package size, power dissipation, and other specifications.
In conclusion, the 1N821A serves as a critical component in electronic systems, providing stable and accurate voltage regulation essential for the reliable operation of various circuits and devices.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 1N821A trong giải pháp kỹ thuật
What is 1N821A?
- 1N821A is a Zener diode, which is a type of semiconductor diode that allows current to flow in the forward direction like a normal diode, but also permits it to flow in the reverse direction when the voltage is above a certain value.
What is the voltage rating of 1N821A?
- The voltage rating of 1N821A is 6.2 volts.
What are the typical applications of 1N821A?
- 1N821A is commonly used in voltage regulation, surge suppression, and voltage reference circuits in various technical solutions.
How does 1N821A function as a voltage regulator?
- 1N821A operates by maintaining a constant output voltage across its terminals, even when there are variations in the input voltage or load current.
Can 1N821A be used for surge suppression?
- Yes, 1N821A can be employed to suppress voltage surges and protect sensitive electronic components from damage caused by transient overvoltage conditions.
What are the key characteristics of 1N821A relevant to technical solutions?
- Some key characteristics include its low dynamic impedance, precise voltage regulation, and ability to handle high power dissipation.
In what types of technical solutions is 1N821A commonly utilized?
- 1N821A is often found in power supplies, instrumentation, automotive electronics, and industrial control systems.
What precautions should be taken when using 1N821A in technical solutions?
- It's important to ensure proper heat dissipation, avoid exceeding the maximum power dissipation rating, and adhere to the specified voltage and current limits.
Can 1N821A be used as a voltage reference in precision measurement equipment?
- Yes, 1N821A can serve as a stable voltage reference in precision measurement equipment due to its accurate and consistent voltage output.
Are there any alternative components that can be used in place of 1N821A?
- Yes, other Zener diodes with similar voltage ratings and characteristics can be considered as alternatives to 1N821A in technical solutions.