SMBJ8.5CA
Manufacturer: BOURNS
Part Number: SMBJ8.5CA
| Attribute | Value |
| cate_name | TVS Diodes & ESD Suppressors |
| Datasheet | SMBJ8.5CA BOURNS |
| 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_width_height | 2.4mm(height) |
| breakdown_voltage | 9.44V |
| clamping_voltage | 14.4V |
| peak_pulse_current | 41.7A |
| peak_pulse_power_dissipation | 600W |
| polarity | bidirectional |
| working_voltage | 3.5V |
Overview:
The BOURNS SMBJ8.5CA is a high-performance surface-mount varistor designed to provide transient voltage suppression in electronic circuits. It is part of the BOURNS family of electronic components, renowned for their reliability and precision in protecting sensitive electronics from voltage spikes.
Features:
1. Miniature Size: The SMBJ8.5CA is compact, making it suitable for space-constrained applications.
2. High Capacitance: Despite its small size, it offers a high capacitance value, ensuring effective voltage suppression.
3. Temperature Stability: It maintains performance across a wide temperature range, ensuring consistent operation.
4. Fast Response Time: The varistor reacts quickly to voltage spikes, providing immediate protection.
5. Robust Construction: Built to withstand harsh environmental conditions and repeated use without degradation.
Development Support:
BOURNS provides comprehensive technical support and documentation to assist engineers during the development phase. This includes datasheets, application notes, and design guidelines to ensure optimal integration of the SMBJ8.5CA into new projects.
Application Fields:
The SMBJ8.5CA is widely used across various industries where electronic protection is crucial:
- Consumer Electronics: Protecting smartphones, tablets, and laptops from power surges.
- Automotive: Safeguarding the sensitive electronics in vehicles against voltage spikes.
- Industrial Control Systems: Ensuring the stability and safety of machinery and control systems.
- Medical Devices: Providing essential protection for life-saving equipment.
Parameter Introduction:
- Nominal Voltage (Un): 8.5V
- Breakdown Voltage (Vb): Min 9.35V, Max 11.05V
- Capacitance (C): Max 1200pF (at 1kHz)
- Current Waveform: 8/20µs
- Working Temperature Range: -55°C to +125°C
Frequently Asked Questions (FAQs):
1. Q: How does the SMBJ8.5CA differ from other varistors?
A: The SMBJ8.5CA is distinguished by its compact size, high capacitance, and robust performance across a wide temperature range.
2. Q: What is the typical application for this varistor?
A: It's typically used in circuits requiring transient voltage suppression, such as in consumer electronics, automotive, industrial, and medical devices.
3. Q: Is the SMBJ8.5CA suitable for outdoor applications?
A: Yes, its robust construction makes it suitable for outdoor applications where it may be exposed to harsh environmental conditions.
4. Q: How can I ensure the SMBJ8.5CA is correctly integrated into my design?
A: Refer to the BOURNS technical documentation and consult with their technical support for guidance on optimal integration.
5. Q: What is the lifespan of the SMBJ8.5CA?
A: The lifespan can vary based on application conditions, but BOURNS components are designed for long-term reliability and durability.
6. Q: Can I use the SMBJ8.5CA in place of a traditional diode for voltage suppression?
A: While both can suppress voltage spikes, the SMBJ8.5CA is specifically designed for transient voltage suppression and may offer better performance in certain applications.
7. Q: Is there a risk of the SMBJ8.5CA failing and causing a short circuit?
A: BOURNS designs its varistors to be fail-safe, meaning they are unlikely to cause a short circuit upon failure. However, proper design and application are crucial to ensure safety.
8. Q: How do I know if the SMBJ8.5CA is the right choice for my specific application?
A: Consider the voltage requirements, space constraints, and environmental conditions of your application. Consult with BOURNS or a qualified engineer to determine the best fit.
9. Q: Are there any certifications or standards the SMBJ8.5CA complies with?
A: BOURNS components typically meet or exceed industry standards and are often certified for specific applications. Check the datasheet for detailed compliance information.
10. Q: What is the lead time for the SMBJ8.5CA?
A: Lead times can vary. Contact BOURNS or an authorized distributor for the most current information on availability and delivery times.
Please refer to the product rule book for details.
Headquartered in Riverside, California, BOURNS has established a strong presence worldwide with facilities in North America, Europe, and Asia. This global footprint not only allows BOURNS to efficiently serve its international customer base but also to leverage local expertise and resources to stay at the forefront of technological advancements.
BOURNS is renowned for its innovative approach to product development and its commitment to quality and reliability. The company's extensive product line includes precision potentiometers, panel controls, encoders, resistive products, circuit protection solutions, magnetic components, microelectronic modules, and sensors. Each product category includes a variety of configurations and specifications to cater to specific applications and requirements.
In the field of circuit protection, BOURNS is known for its pioneering work in developing technologies that safeguard electronic systems from voltage and current surges, ensuring performance stability and extending product life. Their offerings in this category include fuses, overvoltage protection devices, and overcurrent protection solutions.
BOURNS' sensors are critical in applications requiring accurate measurement and control of physical parameters such as position, speed, and temperature. These sensors are integral in automotive systems, industrial automation, and consumer electronics, where precision and reliability are paramount.
The company also places a strong emphasis on environmental sustainability and ethical practices. BOURNS complies with international regulatory standards and actively works to minimize its environmental impact through waste reduction, energy conservation, and thoughtful manufacturing processes.
Research and development are central to BOURNS' operations. The company invests heavily in R&D to not only improve existing products but also to innovate new solutions that address the challenges of an ever-changing technological landscape. BOURNS holds numerous patents and its products are often considered benchmarks in the industry.
Customer service and technical support are also key aspects of BOURNS' business model. The company prides itself on providing responsive and comprehensive support to its clients, ensuring that they can maximize the use of BOURNS products in their applications.
In summary, BOURNS, Inc. is a leader in the electronic component industry, known for its reliable products, innovative solutions, and commitment to quality and customer satisfaction. With a rich history and a forward-looking approach, BOURNS continues to set industry standards and meet the complex demands of its global customers.
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