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SMAJ4494E3/TR13
Product Overview
Category: Diode
Use: Voltage clamping
Characteristics: Low leakage current, fast response time
Package: DO-214AC (SMA)
Essence: Transient voltage suppressor diode
Packaging/Quantity: Tape & Reel, 3000 units per reel
Specifications
- Peak Pulse Power: 400W
- Breakdown Voltage: 49.4V
- Clamping Voltage: 77.4V
- Operating Temperature Range: -55°C to +150°C
Detailed Pin Configuration
The SMAJ4494E3/TR13 has two pins in a standard DO-214AC package.
Functional Features
- Fast response time to transient over-voltage events
- Low clamping voltage for protection of sensitive electronic components
- Low leakage current for minimal power dissipation during normal operation
Advantages and Disadvantages
Advantages: - Effective protection against voltage transients - Fast response time - Low leakage current
Disadvantages: - Relatively low breakdown voltage compared to some alternatives - Limited power dissipation capability
Working Principles
The SMAJ4494E3/TR13 operates by diverting excess transient voltage away from sensitive components, thereby protecting them from damage. When the voltage exceeds the breakdown voltage, the diode begins to conduct, clamping the voltage to a safe level.
Detailed Application Field Plans
- Telecommunications: Protection of communication equipment from lightning-induced surges
- Automotive: Safeguarding electronic systems from voltage spikes in automotive environments
- Industrial Control Systems: Shielding sensitive control circuitry from electrical transients
Detailed and Complete Alternative Models
- 1N6263: Higher breakdown voltage but slower response time
- P6KE51CA: Similar breakdown voltage with higher power dissipation capability
In conclusion, the SMAJ4494E3/TR13 is a reliable transient voltage suppressor diode suitable for various applications requiring protection against voltage transients.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4494E3/TR13 en soluciones técnicas
What is SMAJ4494E3/TR13?
- SMAJ4494E3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.
What are the key features of SMAJ4494E3/TR13?
- The key features of SMAJ4494E3/TR13 include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
Where can SMAJ4494E3/TR13 be used in technical solutions?
- SMAJ4494E3/TR13 can be used in various technical solutions such as power supplies, communication systems, industrial equipment, automotive electronics, and consumer electronics.
How does SMAJ4494E3/TR13 protect electronic components?
- SMAJ4494E3/TR13 protects electronic components by diverting excessive current away from sensitive circuits during voltage surges or transient events, thereby preventing damage.
What is the operating temperature range of SMAJ4494E3/TR13?
- SMAJ4494E3/TR13 has an operating temperature range of -55°C to +150°C, making it suitable for a wide range of environmental conditions.
Are there any recommended mounting guidelines for SMAJ4494E3/TR13?
- Yes, SMAJ4494E3/TR13 should be mounted on a printed circuit board using appropriate soldering techniques and thermal management practices to ensure reliable performance.
Can SMAJ4494E3/TR13 be used for ESD protection?
- While SMAJ4494E3/TR13 is primarily designed for transient voltage suppression, it can also provide some level of electrostatic discharge (ESD) protection for electronic circuits.
What are the industry standards and certifications applicable to SMAJ4494E3/TR13?
- SMAJ4494E3/TR13 complies with industry standards such as AEC-Q101 for automotive applications and is often certified to meet RoHS and REACH requirements.
Is SMAJ4494E3/TR13 suitable for high-speed data lines?
- Yes, SMAJ4494E3/TR13 is suitable for protecting high-speed data lines such as USB, HDMI, Ethernet, and other communication interfaces from voltage transients.
What are the typical failure modes of SMAJ4494E3/TR13?
- The typical failure modes of SMAJ4494E3/TR13 include short-circuit failure due to excessive current or open-circuit failure if subjected to prolonged overvoltage conditions. Regular testing and monitoring are recommended to detect potential failures early.