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SMCJ43A - English Editing Encyclopedia Entry
Product Overview
Category
The SMCJ43A 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 SMCJ43A is available in a DO-214AB (SMC) package.
Essence
The essence of the SMCJ43A lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.
Packaging/Quantity
The SMCJ43A is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Standoff Voltage: 43V
- Breakdown Voltage: 47.8V
- Maximum Clamping Voltage: 69.4V
- Peak Pulse Current: 30A
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The SMCJ43A 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
- Bi-directional clamping capability
- Low incremental surge resistance
- RoHS compliant
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- Wide operating temperature range
Disadvantages
- Limited surge current handling capacity compared to higher-rated TVS diodes
- Higher clamping voltage than some specialized TVS diodes
Working Principles
When a transient voltage surge occurs, the SMCJ43A conducts current to divert the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to the sensitive components.
Detailed Application Field Plans
The SMCJ43A is commonly used in various applications, including: - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the SMCJ43A include: - SMCJ5.0A - SMCJ10A - SMCJ24A - SMCJ58A
In conclusion, the SMCJ43A transient voltage suppressor diode offers effective protection against transient voltage events, making it an essential component in safeguarding sensitive electronic circuits across various industries.
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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von SMCJ43A in technischen Lösungen auf
What is the maximum peak pulse power of SMCJ43A?
- The maximum peak pulse power of SMCJ43A is 1500 watts for a 10/1000μs waveform.
What is the breakdown voltage of SMCJ43A?
- The breakdown voltage of SMCJ43A is typically 47.8 volts at a test current of 1 mA.
What is the operating temperature range for SMCJ43A?
- SMCJ43A has an operating temperature range of -55°C to +150°C.
What is the typical clamping voltage of SMCJ43A?
- The typical clamping voltage of SMCJ43A is 77.4 volts at a peak pulse current of 50 A.
What are the applications where SMCJ43A is commonly used?
- SMCJ43A is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.
What is the response time of SMCJ43A?
- The response time of SMCJ43A is less than 1.0 nanosecond from 0 V to minimum breakdown voltage.
What is the peak pulse current capability of SMCJ43A?
- SMCJ43A has a peak pulse current capability of 300 A for an 8/20μs waveform.
Does SMCJ43A meet RoHS compliance?
- Yes, SMCJ43A is compliant with the Restriction of Hazardous Substances (RoHS) directive.
What is the package type of SMCJ43A?
- SMCJ43A is available in a surface mount SMC package.
Is SMCJ43A suitable for high reliability applications?
- Yes, SMCJ43A is suitable for high reliability applications due to its robust construction and performance characteristics.