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1N821-1 Encyclopedia Entry
Product Overview
Category
The 1N821-1 belongs to the category of semiconductor devices, specifically a Zener diode.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Voltage regulation capability
- Reverse breakdown voltage of 6.2V
- Low leakage current
- Small form factor
Package
The 1N821-1 is typically available in a DO-35 package.
Essence
The essence of the 1N821-1 lies in its ability to maintain a constant voltage across its terminals when operated within its specified parameters.
Packaging/Quantity
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Reverse Breakdown Voltage: 6.2V
- Power Dissipation: 500mW
- Maximum Forward Voltage: 1.2V
- Operating Temperature Range: -65°C to 200°C
Detailed Pin Configuration
The 1N821-1 Zener diode has two pins, anode, and cathode, with the cathode being marked by a band on the body of the diode.
Functional Features
The 1N821-1 Zener diode provides a stable reference voltage when operated in the reverse-biased mode, making it suitable for voltage regulation and overvoltage protection in various electronic circuits.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Low leakage current
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
When the 1N821-1 is reverse-biased, it allows current to flow once the breakdown voltage is reached, effectively maintaining a constant voltage across its terminals.
Detailed Application Field Plans
The 1N821-1 is widely used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping applications
Detailed and Complete Alternative Models
Some alternative models to the 1N821-1 include: - 1N4728A - BZX55C6V2 - 1N5226B
In conclusion, the 1N821-1 Zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and low leakage current make it suitable for a wide range of applications in the electronics industry.
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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von 1N821-1 in technischen Lösungen auf
What is 1N821-1?
- 1N821-1 is a Zener diode with a specific voltage rating used for voltage regulation in electronic circuits.
What is the voltage rating of 1N821-1?
- The voltage rating of 1N821-1 is 5.1 volts.
How is 1N821-1 used in technical solutions?
- 1N821-1 is commonly used for voltage regulation, voltage reference, and overvoltage protection in various electronic applications.
What are the typical applications of 1N821-1?
- Typical applications of 1N821-1 include power supplies, voltage regulators, instrumentation, and precision voltage references.
What is the maximum power dissipation of 1N821-1?
- The maximum power dissipation of 1N821-1 is typically around 500mW.
What is the operating temperature range of 1N821-1?
- The operating temperature range of 1N821-1 is usually between -65°C to +200°C.
What are the key characteristics of 1N821-1?
- Key characteristics of 1N821-1 include its precise voltage regulation, low dynamic impedance, and stability over a wide range of temperatures.
Can 1N821-1 be used for reverse voltage protection?
- Yes, 1N821-1 can be used for reverse voltage protection due to its Zener breakdown characteristics.
Are there any precautions to consider when using 1N821-1?
- It's important to ensure proper heat sinking and current limiting when using 1N821-1 to prevent overheating and damage.
Where can I find detailed specifications for 1N821-1?
- Detailed specifications for 1N821-1 can be found in the manufacturer's datasheet or technical documentation.