1N5921B BK Encyclopedia Entry
Product Overview
The 1N5921B BK belongs to the category of Zener diodes and is commonly used for voltage regulation and protection in electronic circuits. These diodes exhibit specific characteristics such as a fixed breakdown voltage, low dynamic impedance, and high reliability. They are typically packaged in a small, cylindrical glass package and are available in various quantities per package.
Specifications
- Breakdown Voltage: 6.2V
- Power Dissipation: 1.5W
- Zener Impedance: 10Ω
- Operating Temperature Range: -65°C to +200°C
- Package Type: Glass Axial Leaded
Detailed Pin Configuration
The 1N5921B BK Zener diode has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal in a circuit.
Functional Features
- Voltage Regulation: The 1N5921B BK maintains a constant voltage across its terminals, providing stability in electronic circuits.
- Overvoltage Protection: It prevents damage to sensitive components by diverting excess voltage away from the circuit.
Advantages and Disadvantages
Advantages
- Precise Voltage Regulation
- High Reliability
- Compact Package Size
Disadvantages
- Limited Power Dissipation
- Fixed Breakdown Voltage
Working Principles
When the voltage across the 1N5921B BK exceeds its breakdown voltage, it begins to conduct, effectively maintaining a constant voltage drop across its terminals.
Application Field Plans
The 1N5921B BK is widely used in power supplies, voltage regulators, and surge protectors. Its stable voltage characteristics make it suitable for precision electronic equipment and instrumentation.
Alternative Models
- 1N5913B BK (3.9V)
- 1N5918B BK (5.6V)
- 1N5920B BK (6.8V)
In conclusion, the 1N5921B BK Zener diode is a reliable component for voltage regulation and protection in electronic circuits, offering precise voltage control and overvoltage protection. Its compact size and high reliability make it a popular choice for various applications in the electronics industry.
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10个与1N5921B BK在技术解决方案中的应用相关的常见问题及解答
What is the 1N5921B BK diode used for?
- The 1N5921B BK diode is commonly used for voltage regulation and protection in various electronic circuits.
What is the maximum forward voltage of the 1N5921B BK diode?
- The maximum forward voltage of the 1N5921B BK diode is typically around 1.5V at a forward current of 3.0A.
What is the reverse voltage rating of the 1N5921B BK diode?
- The 1N5921B BK diode has a reverse voltage rating of 6.8V, making it suitable for low voltage applications.
Can the 1N5921B BK diode handle high currents?
- Yes, the 1N5921B BK diode is capable of handling relatively high currents, with a maximum forward current of 3.0A.
Is the 1N5921B BK diode suitable for use in automotive electronics?
- Yes, the 1N5921B BK diode is often used in automotive electronics due to its voltage regulation and protection capabilities.
What are the typical applications of the 1N5921B BK diode?
- Typical applications of the 1N5921B BK diode include voltage clamping, reverse polarity protection, and general purpose rectification.
Does the 1N5921B BK diode require a heat sink for certain applications?
- Depending on the specific application and operating conditions, a heat sink may be recommended to dissipate heat effectively.
What is the temperature range for the 1N5921B BK diode?
- The 1N5921B BK diode is designed to operate within a temperature range of -65°C to +175°C, making it suitable for a wide range of environments.
Can the 1N5921B BK diode be used in conjunction with other components for overvoltage protection?
- Yes, the 1N5921B BK diode can be combined with other components such as resistors and capacitors to provide effective overvoltage protection.
Are there any common failure modes associated with the 1N5921B BK diode?
- Common failure modes for the 1N5921B BK diode include thermal runaway under excessive current or voltage stress, so proper design considerations should be taken into account to prevent such failures.