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SMCJ400 - English Editing Encyclopedia Entry
Product Overview
The SMCJ400 belongs to the category of transient voltage suppressor (TVS) diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMCJ400 is designed to provide robust protection against transient overvoltage conditions in a variety of applications.
Basic Information Overview
- Category: Transient Voltage Suppressor Diode
- Use: Protection against voltage spikes and transients
- Characteristics: Fast response time, low clamping voltage, high surge capability
- Package: SMC (DO-214AB)
- Essence: Safeguarding electronic circuits from voltage surges
- Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer
Specifications
- Peak Power Dissipation: 1500W
- Breakdown Voltage Range: 376V to 414V
- Operating Temperature Range: -55°C to +150°C
- Storage Temperature Range: -55°C to +175°C
- RoHS Compliant: Yes
Detailed Pin Configuration
The SMCJ400 typically has two pins, with the cathode being marked with a band or other indicator on the body of the diode.
Functional Features
- Transient Voltage Suppression: Provides rapid response to transient overvoltage events, diverting excess current away from sensitive components.
- Low Clamping Voltage: Limits the voltage across the protected circuit during a transient event, minimizing potential damage.
- High Surge Capability: Can withstand high surge currents without degradation.
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- Compact SMC package for space-constrained applications
Disadvantages
- Clamping voltage may still be too high for some sensitive components
- Limited surge handling capability compared to larger TVS diodes
Working Principles
When a transient voltage spike occurs, the SMCJ400 conducts current and clamps the voltage to a safe level, protecting downstream components. This is achieved through the use of avalanche breakdown and the dissipation of excess energy as heat.
Detailed Application Field Plans
The SMCJ400 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
- SMCJ5.0A: Breakdown Voltage: 5.0V, Peak Power Dissipation: 1500W
- SMCJ10A: Breakdown Voltage: 10V, Peak Power Dissipation: 1500W
- SMCJ24A: Breakdown Voltage: 24V, Peak Power Dissipation: 1500W
- SMCJ58A: Breakdown Voltage: 58V, Peak Power Dissipation: 1500W
In conclusion, the SMCJ400 transient voltage suppressor diode offers effective protection against voltage transients in a compact SMC package, making it suitable for a wide range of electronic applications.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SMCJ400 in technische oplossingen
Sure, here are 10 common questions and answers related to the application of SMCJ400 in technical solutions:
Q: What is an SMCJ400? A: SMCJ400 is a type of transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.
Q: What is the maximum peak pulse current for SMCJ400? A: The maximum peak pulse current for SMCJ400 is typically 3000A.
Q: What is the breakdown voltage of SMCJ400? A: The breakdown voltage of SMCJ400 is 400V.
Q: How does SMCJ400 protect electronic circuits? A: SMCJ400 clamps the voltage across the circuit it is protecting, diverting excess current away from sensitive components.
Q: Can SMCJ400 be used for surge protection in power supply units? A: Yes, SMCJ400 is commonly used for surge protection in power supply units to safeguard against voltage spikes.
Q: What is the response time of SMCJ400? A: The response time of SMCJ400 is very fast, typically responding within nanoseconds to clamp the voltage.
Q: Is SMCJ400 suitable for high-speed data lines protection? A: Yes, SMCJ400 is suitable for protecting high-speed data lines such as Ethernet and USB connections.
Q: Can SMCJ400 be used in automotive electronics applications? A: Yes, SMCJ400 is often used in automotive electronics to protect against voltage surges and transients.
Q: What is the operating temperature range of SMCJ400? A: The operating temperature range of SMCJ400 is typically -55°C to 150°C.
Q: Are there any specific layout considerations when using SMCJ400 in a PCB design? A: Yes, it's important to minimize the trace length between the SMCJ400 and the protected circuit and ensure a low impedance path to ground for effective protection.