SMBJ18A
Manufacturer: AVX
Part Number: SMBJ18A
| Attribute | Value |
| cate_name | TVS Diodes & ESD Suppressors |
| Datasheet | SMBJ18A AVX |
| rohs | Compliance |
| reference_package | SMB(DO-214AA) |
| mounting | SMD mount |
| application_level | |
| lifecycle | On sale |
| spm | Tape & Reel |
| min_operating_temperature | -55℃(TJ) |
| max_operating_temperature | 150℃(TJ) |
| length | 4.75mm(Max) |
| width | DO-214AA,SMB |
| height | 2.43mm(Max) |
| breakdown_voltage | 20V |
| clamping_voltage | 29.2V |
| peak_pulse_current | 20.55A |
| peak_pulse_power_dissipation | 600W |
| polarity | unidirectional |
| working_voltage | 18V |
Overview:
The AVX SMBJ18A is a high-performance surface-mount varistor designed to provide reliable transient voltage suppression in a compact form factor. This device is widely recognized for its ability to protect sensitive electronic equipment from voltage spikes and electrical noise, making it an essential component in various industries.
Features:
1. Miniature Size: The SMBJ18A's small size makes it ideal for applications where space is at a premium.
2. High Capacitance: Despite its small size, it offers a high capacitance value, ensuring effective voltage suppression.
3. Wide Operating Temperature Range: It can operate effectively in a broad temperature range, making it suitable for various environmental conditions.
4. Robust Construction: Built with high-quality materials, the SMBJ18A is designed for long-term reliability and durability.
5. IEC Compliant: Meets international standards for transient voltage suppression, ensuring compliance with global regulations.
Development Support:
AVX provides comprehensive technical support and resources to assist engineers and developers in integrating the SMBJ18A into their designs. This includes datasheets, application notes, and design guides that facilitate a seamless development process.
Application Fields:
The SMBJ18A is used across a variety of fields, including:
- Telecommunications
- Automotive electronics
- Industrial control systems
- Consumer electronics
- Power supplies and converters
Parameter Introduction:
- Nominal Voltage (Un): 18V
- Breakdown Voltage (Vb): 20.5V min
- Capacitance (C): 1500pF max
- Continuous Operating Temperature: -55°C to +125°C
- Response Time: <1ns
- Leakage Current: <1µA
Frequently Asked Questions (FAQs):
1. Q: What is the primary function of the SMBJ18A?
A: The SMBJ18A's primary function is to protect circuits from voltage spikes and transient voltages.
2. Q: Can the SMBJ18A be used in outdoor applications?
A: Yes, the SMBJ18A is designed to operate in a wide temperature range, making it suitable for outdoor applications.
3. Q: How does the SMBJ18A compare to other transient voltage suppressors in terms of size?
A: The SMBJ18A is a surface-mount device with a compact size, making it ideal for applications with space constraints.
4. Q: Is the SMBJ18A suitable for use in automotive applications?
A: Yes, the SMBJ18A is robust and can withstand the harsh conditions often found in automotive environments.
5. Q: What kind of technical support does AVX provide for the SMBJ18A?
A: AVX offers a range of technical support, including datasheets, application notes, and design guides to assist with the integration of the SMBJ18A into various designs.
6. Q: How can I ensure the SMBJ18A is properly integrated into my design?
A: Consult the provided datasheets and design guides, and if necessary, reach out to AVX's technical support team for assistance.
7. Q: What is the typical response time of the SMBJ18A?
A: The SMBJ18A has a response time of less than 1 nanosecond, ensuring rapid protection against voltage spikes.
8. Q: Is there a limit to the number of times the SMBJ18A can suppress voltage spikes?
A: While the SMBJ18A is designed for repeated use, its lifespan may be affected by the energy of the transient voltages it suppresses. It's important to select the appropriate device for the expected transient energy levels.
9. Q: How can I determine if the SMBJ18A is the right choice for my application?
A: Consider the application's voltage requirements, space constraints, and environmental conditions. The SMBJ18A's specifications should align with these needs.
10. Q: What is the maximum capacitance of the SMBJ18A?
A: The maximum capacitance of the SMBJ18A is 1500 picofarads, which is suitable for many transient voltage suppression applications.
By understanding the capabilities and specifications of the AVX SMBJ18A, engineers can make informed decisions about its integration into their projects, ensuring reliable protection against voltage transients.
Please refer to the product rule book for details.
Founded in the early 1970s, AVX began as a small electronic components manufacturer and has since grown into a global powerhouse with operations in the United States, Europe, Asia, and beyond. The company's product portfolio includes capacitors, resistors, filters, timing devices, circuit protection devices, switches, and connectors, each designed to meet the rigorous demands of a wide range of industries, including automotive, industrial, medical, , consumer electronics, and telecommunications.
AVX is particularly renowned for its expertise in ceramic and tantalum capacitors, which are essential for circuit functionality and stability in electronic devices. The company's capacitors are known for their high quality, durability, and performance in extreme conditions, making them ideal for critical applications in harsh environments.
In addition to passive components, AVX has made significant strides in the area of interconnect solutions. The company offers a comprehensive range of connectors and interconnect systems that provide reliable and efficient connections in electronic devices. These products are engineered to facilitate signal transmission and power distribution in complex electronic assemblies, ensuring optimal performance and longevity.
AVX is also at the forefront of technological innovation in the sensors and controls sector. The company develops and manufactures a variety of sensors for temperature, pressure, position, and speed measurement, which are integral to the automation and control systems in modern industrial applications. These sensors are designed to deliver accurate and reliable data, enabling enhanced process control and automation.
Moreover, AVX has expanded its capabilities to include advanced antenna solutions for wireless communication applications. The company designs and produces antennas that are compact, efficient, and capable of supporting multiple frequency bands. These antennas are used in a variety of applications, from mobile devices and automotive systems to IoT (Internet of Things) devices and industrial equipment.
AVX's commitment to research and development is evident in its continuous efforts to improve existing products and innovate new solutions that address the evolving challenges of the electronics industry. The company invests heavily in R&D to stay ahead of technological advancements and to ensure that its products meet the highest standards of quality and performance.
Sustainability and environmental responsibility are also core components of AVX's operational philosophy. The company is dedicated to minimizing its environmental impact through responsible manufacturing practices, waste reduction, and energy efficiency initiatives. AVX complies with international environmental standards and actively works to reduce the ecological footprint of its products and operations.
In conclusion, AVX Corporation is a global leader in the design, manufacture, and supply of advanced electronic components and solutions. With a strong focus on quality, innovation, and sustainability, AVX continues to serve the needs of the electronics industry, providing essential components that enhance the performance and functionality of electronic systems worldwide.
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