Frequently Asked Questions

What types of passive components does TDK manufacture?

TDK manufactures a comprehensive range of passive electronic components. Their ceramic capacitor portfolio includes multilayer ceramic capacitors (MLCCs) in Class I and Class II dielectrics, with capacitance values ranging from picofarads to hundreds of microfarads and voltage ratings up to several kilovolts. TDK's aluminum electrolytic capacitors cover radial, snap-in, and screw terminal types for various mounting configurations. Their film capacitor offerings include polypropylene and polyester film types for DC link, snubber, and general-purpose applications. The inductor product line encompasses power inductors for DC-DC converters, common mode chokes for EMI filtering, and high-frequency coils for RF applications.

Browse our product categories below to explore TDK's complete passive component portfolio, or contact our FAE team for application-specific recommendations.

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How do I select the right TDK capacitor for my application?

Selecting the appropriate TDK capacitor requires evaluating several key parameters. For ceramic capacitors, consider the capacitance value, voltage rating, dielectric type (Class I for stability, Class II for higher capacitance density), and temperature characteristics. Aluminum electrolytic capacitors require analysis of capacitance, voltage rating, ripple current capability, lifetime requirements, and physical size constraints. Film capacitors are selected based on capacitance, voltage rating, current handling, and self-healing requirements. Always apply appropriate voltage derating (typically 20-30% below rated voltage) and consider the operating temperature range. TDK provides detailed datasheets and application notes to guide component selection.

Use our online selection tools or contact our FAE team with your application specifications for personalized component recommendations.

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What are the key differences between TDK's ceramic capacitor classes?

TDK's ceramic capacitors are categorized into Class I and Class II dielectrics based on their temperature characteristics. Class I capacitors (C0G/NP0) offer the highest stability with near-zero temperature coefficient, making them ideal for timing circuits, filters, and applications requiring precise capacitance values. They have low capacitance density but excellent aging characteristics. Class II capacitors (X5R, X7R, Y5V) provide higher capacitance density in smaller packages but exhibit greater capacitance variation with temperature and DC bias. X7R offers the best temperature stability among Class II dielectrics (-55°C to +125°C), while X5R is suitable for less demanding temperature ranges. Y5V provides the highest capacitance density but with significant temperature and voltage dependence.

Choose Class I for precision applications, X7R for general-purpose applications with wide temperature requirements, and X5R for cost-sensitive consumer applications.

TDK MLCC classes C0G vs X7R ceramic capacitor dielectrics
Does TDK offer AEC-Q200 qualified components for automotive applications?

Yes, TDK offers an extensive portfolio of AEC-Q200 qualified passive components specifically designed for automotive applications. Their automotive-grade MLCCs are available in various dielectrics including C0G, X7R, and X8R for high-temperature applications up to 150°C. These capacitors undergo rigorous qualification testing including temperature cycling, mechanical shock, vibration, and high-temperature operational life testing. TDK's automotive aluminum electrolytic capacitors feature enhanced ripple current capability and extended temperature ranges. Their automotive inductors are designed to meet the stringent reliability requirements of EV/HEV powertrains and safety-critical systems. All automotive-qualified components are manufactured under IATF 16949 quality management systems.

Filter our product listings by automotive qualification, or contact our automotive FAE specialist for component recommendations tailored to your automotive application.

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What is the typical lead time for TDK components?

Lead times for TDK components vary based on product type, series, and market demand. Standard ceramic capacitors in popular values typically have lead times of 8-12 weeks. Aluminum electrolytic capacitors generally range from 10-16 weeks depending on voltage and capacitance ratings. Film capacitors may have longer lead times of 12-20 weeks due to their specialized manufacturing processes. Automotive-qualified components often require longer lead times due to additional testing and quality requirements. BeiLuo maintains strategic inventory of high-demand TDK 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 with your forecasted volumes and delivery requirements to discuss inventory programs and scheduling agreements.

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