SMBJ20A - English Editing Encyclopedia Entry
Product Overview
Category
The SMBJ20A belongs to the category of transient voltage suppressor (TVS) diodes.
Use
It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.
Characteristics
- Fast response time
- Low clamping voltage
- High surge current capability
Package
The SMBJ20A is typically available in a surface mount package.
Essence
The essence of the SMBJ20A lies in its ability to provide robust protection for electronic circuits against transient voltage events.
Packaging/Quantity
The SMBJ20A is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 20V
- Breakdown Voltage: 22.2V
- Maximum Clamping Voltage: 32.4V
- Peak Pulse Current: 30A
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The SMBJ20A typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Bi-directional clamping capability
- Low incremental surge resistance
- High reliability
Advantages and Disadvantages
Advantages
- Fast response to transient events
- Low clamping voltage protects sensitive components
- Compact size for easy integration into circuit designs
Disadvantages
- Limited peak pulse current handling compared to larger TVS diodes
- May require additional circuitry for high-power applications
Working Principles
When a transient voltage event occurs, the SMBJ20A conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across the circuit.
Detailed Application Field Plans
The SMBJ20A is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- SMBJ5.0A: Standoff Voltage: 5V, Breakdown Voltage: 6.4V, Peak Pulse Current: 69.3A
- SMBJ10A: Standoff Voltage: 10V, Breakdown Voltage: 11.7V, Peak Pulse Current: 40.6A
- SMBJ30A: Standoff Voltage: 30V, Breakdown Voltage: 33.3V, Peak Pulse Current: 25.6A
In conclusion, the SMBJ20A transient voltage suppressor diode offers effective protection against transient voltage events in various electronic applications, making it an essential component for ensuring the reliability and longevity of electronic systems.
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10個與SMBJ20A在技術方案中應用相關的常見問題與解答
What is the SMBJ20A?
- The SMBJ20A is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.
What is the maximum voltage rating of the SMBJ20A?
- The SMBJ20A has a maximum voltage rating of 20 volts.
What is the peak pulse power dissipation of the SMBJ20A?
- The peak pulse power dissipation of the SMBJ20A is typically 600 watts.
What are the typical applications of the SMBJ20A?
- The SMBJ20A is commonly used in applications such as protection of integrated circuits, small motors, and other sensitive electronic devices from voltage surges.
What is the breakdown voltage of the SMBJ20A?
- The breakdown voltage of the SMBJ20A is typically 22.2 volts.
What is the response time of the SMBJ20A?
- The response time of the SMBJ20A is very fast, typically responding within nanoseconds to clamp the voltage spike.
What is the operating temperature range of the SMBJ20A?
- The SMBJ20A can operate within a temperature range of -55°C to 150°C.
How does the SMBJ20A compare to other transient voltage suppressors?
- The SMBJ20A offers low clamping voltage and fast response time, making it suitable for protecting sensitive electronic components.
Can the SMBJ20A be used in automotive applications?
- Yes, the SMBJ20A is suitable for use in automotive electronics to protect against voltage transients.
Where can I find detailed specifications and application notes for the SMBJ20A?
- Detailed specifications and application notes for the SMBJ20A can be found in the datasheet provided by the manufacturer or on their official website.