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SMBJ20A/54
Product Overview
Category
The SMBJ20A/54 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/54 is available in a surface mount DO-214AA (SMB) package.
Essence
The essence of the SMBJ20A/54 lies in its ability to provide robust protection against transient voltage events, ensuring the reliability and longevity of electronic systems.
Packaging/Quantity
The SMBJ20A/54 is typically packaged in reels or trays, with quantities varying based on manufacturer specifications.
Specifications
- Peak Pulse Power: 600W
- Breakdown Voltage: 20V
- Maximum Clamping Voltage: 32.4V
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The SMBJ20A/54 TVS diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Transient Voltage Suppression: Provides rapid clamping of transient voltages to protect downstream components.
- Low Leakage Current: Ensures minimal power dissipation during normal operation.
- High Surge Current Capability: Can withstand high surge currents without degradation.
Advantages and Disadvantages
Advantages
- Effective protection against transient voltage events
- Fast response time
- Compact surface mount package
Disadvantages
- Limited to low voltage applications
- May require additional components for comprehensive overvoltage protection
Working Principles
The SMBJ20A/54 operates by diverting excessive transient current away from sensitive components, thereby limiting the voltage across the protected circuit.
Detailed Application Field Plans
The SMBJ20A/54 is commonly used in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models to the SMBJ20A/54 include: - SMAJ20A: Similar characteristics but in a different package - P6SMB20A: Higher power handling capability - SMCJ20A: Larger package size for higher surge current capability
In conclusion, the SMBJ20A/54 transient voltage suppressor diode offers effective protection against transient voltage events in a compact and efficient package, making it an essential component in safeguarding electronic systems from damage.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ20A/54 v technických řešeních
Sure, here are 10 common questions and answers related to the application of SMBJ20A/54 in technical solutions:
What is the maximum peak pulse power dissipation of SMBJ20A/54?
- The maximum peak pulse power dissipation of SMBJ20A/54 is 600 watts for a 10/1000μs waveform.
What is the breakdown voltage of SMBJ20A/54?
- The breakdown voltage of SMBJ20A/54 is 22.2 volts minimum.
What is the typical clamping voltage of SMBJ20A/54?
- The typical clamping voltage of SMBJ20A/54 is 32.2 volts at 20A.
What is the operating temperature range of SMBJ20A/54?
- The operating temperature range of SMBJ20A/54 is -55°C to +150°C.
What is the peak pulse current rating of SMBJ20A/54?
- The peak pulse current rating of SMBJ20A/54 is 20A.
What are the typical applications of SMBJ20A/54?
- Typical applications of SMBJ20A/54 include protection of sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).
What is the package type of SMBJ20A/54?
- SMBJ20A/54 is available in a surface mount DO-214AA (SMB) package.
What is the reverse stand-off voltage of SMBJ20A/54?
- The reverse stand-off voltage of SMBJ20A/54 is 20 volts.
Is SMBJ20A/54 RoHS compliant?
- Yes, SMBJ20A/54 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.
What are the recommended PCB layout guidelines for SMBJ20A/54?
- It is recommended to keep the traces short and direct between the SMBJ20A/54 and the protected circuitry, and to provide a low impedance path to ground. Additionally, proper thermal management is important to ensure the device operates within its specified limits.