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SMAJ350 - Diode Encyclopedia Entry
Product Overview
SMAJ350 belongs to the category of diodes, specifically transient voltage suppressor (TVS) diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMAJ350 diode is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a small, surface-mount package and is available in various quantities per package.
Basic Information Overview
- Category: Diodes (Transient Voltage Suppressor)
- Use: Protection against voltage spikes and transients
- Characteristics: High surge capability, low clamping voltage, fast response time
- Package: Surface-mount package
- Essence: Protecting sensitive electronic components
- Packaging/Quantity: Available in reels or tubes, quantity varies by manufacturer
Specifications
- Part Number: SMAJ350
- Peak Pulse Power: 400W
- Breakdown Voltage: 350V
- Operating Temperature Range: -55°C to +150°C
- Package Type: DO-214AC (SMA)
Detailed Pin Configuration
The SMAJ350 diode has two pins, anode, and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground or negative side.
| Pin | Description | |-----|-------------| | A | Anode | | K | Cathode |
Functional Features
- Transient Voltage Suppression: Provides protection against voltage spikes and transients.
- Fast Response Time: Quickly clamps excessive voltage to protect downstream components.
- Low Clamping Voltage: Limits the voltage across the protected circuit.
Advantages and Disadvantages
Advantages
- Effective protection against voltage surges
- Fast response time
- Compact surface-mount package
Disadvantages
- Limited power dissipation capability
- May require additional heat sinking for high-power applications
Working Principles
When a voltage spike occurs, the SMAJ350 diode conducts and clamps the excessive voltage, diverting it away from the sensitive components. This action protects the downstream circuitry from potential damage due to overvoltage conditions.
Detailed Application Field Plans
The SMAJ350 diode finds application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Automotive Electronics: Safeguarding vehicle electronics from voltage transients. - Industrial Control Systems: Shielding control circuits from power line disturbances.
Detailed and Complete Alternative Models
- 1N6263: Similar TVS diode with a higher breakdown voltage.
- P6KE440A: TVS diode with a different package type and power rating.
In conclusion, the SMAJ350 diode is a crucial component for protecting sensitive electronic circuits from voltage spikes and transients. Its fast response time, low clamping voltage, and compact package make it suitable for a wide range of applications.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ350 en soluciones técnicas
What is SMAJ350?
- SMAJ350 is a type of TVS (transient voltage suppressor) diode that is designed to protect electronic circuits from voltage spikes and transients.
What is the maximum peak pulse power of SMAJ350?
- The maximum peak pulse power of SMAJ350 is 400 watts.
What is the breakdown voltage of SMAJ350?
- The breakdown voltage of SMAJ350 is 350 volts.
What are the typical applications of SMAJ350?
- SMAJ350 is commonly used in surge protection for telecommunications equipment, industrial control systems, automotive electronics, and power supplies.
What is the response time of SMAJ350?
- The response time of SMAJ350 is very fast, typically in the nanosecond range, which allows it to quickly clamp transient voltages.
How does SMAJ350 provide protection to electronic circuits?
- SMAJ350 diverts excessive current away from sensitive components by providing a low-impedance path to ground during transient voltage events.
Can SMAJ350 be used for overvoltage protection in solar panel systems?
- Yes, SMAJ350 can be used to protect solar panel systems from overvoltage conditions caused by lightning strikes or other transient events.
Is SMAJ350 suitable for protecting sensitive microcontrollers and ICs?
- Yes, SMAJ350 is often used to safeguard microcontrollers, integrated circuits, and other sensitive electronic components from voltage surges and spikes.
What are the environmental considerations for using SMAJ350 in outdoor applications?
- SMAJ350 is available in packages with different levels of environmental protection, such as moisture sensitivity levels (MSL) and conformal coatings, to ensure reliable performance in outdoor environments.
Are there any specific layout or mounting considerations when using SMAJ350 in a PCB design?
- It's important to follow recommended PCB layout guidelines to minimize parasitic inductance and ensure proper heat dissipation for optimal performance of SMAJ350.