Technical Support

Selecting the right Rubycon capacitor involves evaluating several key parameters. First, determine the required capacitance value based on your circuit requirements. Next, select a voltage rating with appropriate derating - typically 20-30% above your maximum operating voltage. Consider the operating temperature range and select a series rated for your application's temperature extremes. For switching power supplies, calculate the ripple current requirements and select a capacitor with adequate ripple current rating and thermal characteristics. Lifetime requirements are critical - Rubycon offers standard, long-life, and ultra-long-life series. Physical constraints such as size, mounting type (radial, snap-in, screw terminal), and lead spacing must also be considered. Our FAE team can assist with detailed calculations and selection guidance.

Contact our FAE team with your application specifications for personalized component recommendations.

Rubycon provides comprehensive technical documentation including datasheets, application notes, reliability data, and qualification reports. Datasheets contain detailed electrical specifications, mechanical dimensions, and performance characteristics. Application notes cover topics such as capacitor selection, ripple current calculations, thermal management, and soldering guidelines. Reliability data includes lifetime prediction models, failure rate information, and accelerated life test results. For automotive applications, PPAP documentation and AEC-Q200 qualification reports are available. BeiLuo provides access to all Rubycon technical documentation and can assist with interpretation and application-specific questions.

Contact our sales team to request specific technical documentation for your project.

Yes, BeiLuo provides comprehensive FAE (Field Application Engineering) support for Rubycon products. Our FAE team has extensive experience with Rubycon capacitors across various applications including power supplies, motor drives, automotive, and consumer electronics. Support services include component selection assistance, thermal analysis, lifetime calculations, schematic review, and troubleshooting. We can provide sample support for evaluation, help interpret datasheets and specifications, and offer design recommendations. For complex applications, our FAEs can perform detailed analysis including ripple current calculations, thermal modeling, and reliability predictions. Contact our FAE team early in your design cycle for optimal results.

Contact our FAE team to discuss your project and available support services.

Capacitor lifetime calculation follows the Arrhenius equation, which states that lifetime approximately doubles for every 10C decrease in temperature. The basic formula is: Lx = Lr x 2^((Tr-Tx)/10), where Lx is expected lifetime, Lr is rated lifetime at reference temperature Tr, and Tx is actual operating temperature. Voltage derating also affects lifetime - operating at 80% of rated voltage typically doubles lifetime compared to 100% voltage. Ripple current causes self-heating, which must be added to ambient temperature. Our FAE team can perform detailed lifetime calculations considering all these factors. Rubycon also provides online lifetime calculation tools for quick estimates.

Contact our FAE team for detailed lifetime calculations specific to your operating conditions.

Lead times for Rubycon capacitors vary based on product series, capacitance/voltage ratings, and market demand. Standard radial lead capacitors in popular values typically have lead times of 8-12 weeks. Snap-in capacitors generally range from 10-16 weeks depending on specifications. Specialized series such as automotive-grade or high-temperature capacitors may have longer lead times due to additional testing and qualification requirements. BeiLuo maintains strategic inventory of high-demand Rubycon series to support urgent requirements. For large volume orders, we recommend discussing demand forecasting and scheduling agreements with our sales team to ensure continuous supply. Contact our sales team for current lead times on specific part numbers.

Contact our sales team with your forecasted volumes and delivery requirements.

Yes, Rubycon offers a comprehensive portfolio of automotive-qualified aluminum electrolytic capacitors. Their automotive-grade capacitors are qualified to AEC-Q200 standards and are suitable for critical automotive applications including engine control units, safety systems, LED lighting, and ADAS. Rubycon's automotive capacitors feature extended temperature ranges up to 150C, enhanced vibration resistance, and long operational life required by automotive applications. All automotive-qualified capacitors undergo rigorous testing including temperature cycling, mechanical shock, and high-temperature operational life testing. Rubycon's IATF 16949 certification ensures consistent quality in automotive component manufacturing. The company provides comprehensive PPAP documentation support for automotive customers.

Contact our automotive FAE specialist for component recommendations and qualification support.

BeiLuo provides sample support for Rubycon capacitor evaluation. To request samples, contact our sales team with the specific part numbers and quantities you need. Please include information about your application, projected annual usage, and target production timeline. This helps us prioritize sample requests and provide appropriate technical support. Standard sample quantities are typically 2-5 pieces per part number. For specialized or high-value capacitors, sample availability may be subject to review. We aim to ship standard samples within 3-5 business days. For urgent requirements, please indicate the critical timeline and we will do our best to accommodate.

Contact our sales team with your sample requirements and application information.

Rubycon recommends storing aluminum electrolytic capacitors at 5-35C temperature and less than 75% relative humidity. The maximum recommended storage period is 3 years from the manufacturing date. Capacitors should be stored in their original packaging away from direct sunlight, corrosive gases, and dust. Avoid storing near heat sources or in high-humidity environments. Capacitors stored beyond 3 years may require reformation - applying rated voltage through a current-limiting resistor for several hours to rebuild the oxide layer. Always follow first-in-first-out inventory practices. For high-reliability applications, consider testing stored capacitors before use. Proper handling during assembly is also important to avoid mechanical damage to leads or case.

Follow recommended storage conditions and use capacitors within 3 years of manufacture.