1N821 Diode Encyclopedia Entry
Product Overview
Category
The 1N821 diode belongs to the category of semiconductor devices.
Use
It is commonly used as a voltage regulator or rectifier in electronic circuits.
Characteristics
- Forward Voltage: 0.7V
- Reverse Voltage: 75V
- Maximum Continuous Current: 150mA
- Package Type: DO-35
- Operating Temperature Range: -65°C to 200°C
Packaging/Quantity
The 1N821 diode is typically available in reels or tubes, with quantities varying based on manufacturer and supplier.
Essence
The essence of the 1N821 diode lies in its ability to regulate voltage and rectify current in electronic circuits.
Specifications
- Forward Voltage Drop: 0.7V
- Reverse Voltage: 75V
- Maximum Continuous Current: 150mA
- Power Dissipation: 500mW
- Operating Temperature Range: -65°C to 200°C
Detailed Pin Configuration
The 1N821 diode has two pins, anode, and cathode, which are identified by a band around the cathode end.
Functional Features
The 1N821 diode acts as a one-way valve for electric current, allowing it to flow in only one direction.
Advantages and Disadvantages
Advantages
- Low forward voltage drop
- High surge current capability
- Wide operating temperature range
Disadvantages
- Limited maximum continuous current
- Relatively low reverse voltage rating
Working Principles
The 1N821 diode operates based on the principle of creating a potential barrier at the junction between its P-type and N-type semiconductor materials, allowing current to flow in only one direction.
Detailed Application Field Plans
The 1N821 diode finds applications in various electronic circuits, including: - Voltage regulation in power supplies - Rectification in signal processing circuits - Overvoltage protection in electronic systems
Detailed and Complete Alternative Models
Some alternative models to the 1N821 diode include: - 1N914: General-purpose diode - 1N4001: Rectifier diode - 1N5819: Schottky diode
In conclusion, the 1N821 diode is a versatile semiconductor device with applications in voltage regulation, rectification, and overvoltage protection in electronic circuits. Its unique characteristics and functional features make it a valuable component in various electronic systems.
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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של 1N821 בפתרונות טכניים
Sure, here are 10 common questions and answers related to the application of 1N821 in technical solutions:
What is 1N821?
- 1N821 is a silicon power rectifier diode designed for high voltage applications.
What is the maximum repetitive peak reverse voltage of 1N821?
- The maximum repetitive peak reverse voltage of 1N821 is 5000 volts.
What is the maximum average forward current of 1N821?
- The maximum average forward current of 1N821 is 1.0 ampere.
What are the typical applications of 1N821?
- 1N821 is commonly used in high voltage power supplies, X-ray equipment, and other high voltage rectifier applications.
What is the forward voltage drop of 1N821 at its rated current?
- The forward voltage drop of 1N821 at its rated current is typically around 15 volts.
Is 1N821 suitable for high frequency applications?
- No, 1N821 is not suitable for high frequency applications due to its relatively slow recovery time.
Can 1N821 be used in parallel to handle higher currents?
- Yes, 1N821 can be used in parallel to handle higher currents, but proper current sharing techniques should be employed.
What is the storage temperature range for 1N821?
- The storage temperature range for 1N821 is -65°C to +175°C.
Does 1N821 require a heatsink for certain applications?
- Yes, for high current applications, 1N821 may require a heatsink to dissipate heat effectively.
Are there any special handling considerations for 1N821?
- Special care should be taken to avoid static discharge and excessive mechanical stress during handling and installation of 1N821.