KEMET T491C106K020AT7622

Overview of the T491C106K020AT7622 KEMET Tantalum Capacitor

The KEMET T491C106K020AT7622 is a robust molded tantalum surface mount capacitor specifically developed to address the demanding requirements of modern automated manufacturing and high-performance electronic assemblies. As part of the T491 industrial grade family, this component features a 10 μF capacitance with a ±10% tolerance, a rated voltage of 20 V, and is encased in a 2312 (6032 metric) SMD package. The T491 series leverages KEMET’s expertise in MnO₂ technology, providing dependable performance, compact form factor, and compliance with global industry standards such as EIA 535BAAC.

Main attributes and advantages of the T491C106K020AT7622

The T491C106K020AT7622 tantalum capacitor stands out with a number of features that enhance circuit reliability, simplify assembly, and reduce overall system risk. Key benefits include:

Full compliance with EIA 535BAAC for quality and reliability assurance.

Symmetrical terminations for mechanical stability and flexible mounting, supporting tape-and-reel packaging per EIA 481, optimized for automated pick-and-place.

Multiple termination finishes for board fabrication compatibility, including standard 100% matte tin, gold-plated, and SnPb options.

Laser-marked case for clear identification and traceability.

Halogen-free epoxy and RoHS3 as well as REACH environmental compliance.

Moisture Sensitivity Level (MSL) 1 per J-STD-020, ensuring unlimited floor life in manufacturing environments.

Capacitance values spanning 0.1 μF to 1,000 μF and voltage offerings up to 50 VDC within the T491 series, enabling scalable design choices.

Extended temperature range of –55°C to +125°C, supporting challenging applications.

Electrical specifications of the T491C106K020AT7622

In electronic design, understanding the electrical profile of a capacitor is essential to predicting circuit behavior. The T491C106K020AT7622 offers a typical Equivalent Series Resistance (ESR) of 1.6 Ω, promoting stability in DC-DC converters and filter applications. Its rated voltage of 20 V and tightly controlled ±10% capacitance tolerance facilitate usage in applications where performance consistency is paramount. The device also provides a 2,000-hour minimum lifetime at maximum rated temperature (+125°C), ensuring long-term reliability across a range of operational scenarios. For further insight into frequency response and DC bias performance, engineers can access KEMET’s K-SIM simulation platform.

Physical details and packaging information for the T491C106K020AT7622

Physically, the T491C106K020AT7622 is housed in a 2312 (6032 metric) package, measuring 6.00 mm × 3.20 mm with a seated height of 2.80 mm. These dimensions cater to high-density board layouts prevalent in compact electronics. KEMET’s tape-and-reel packaging system guarantees compatibility with both 8 mm and 12 mm tape widths on 7” or 13” reels, in accordance with EIA 481 standards. This ensures efficient material handling and supports high-speed automated assembly lines. Each reel is equipped with standardized or custom bar code labeling, supporting robust inventory tracking.

Use cases and typical applications of the T491C106K020AT7622

The T491C106K020AT7622 is designed for widespread compatibility in demanding electronic systems. Typical use cases include decoupling and filtering functions in DC-DC converters, portable consumer electronics, telecommunications equipment, and control unit power management. Its electrical and mechanical attributes make it particularly well-suited for low-profile, space-constrained applications requiring stable capacitance values, reliable surface mountability, and rigorous environmental compliance.

Environmental, safety, and reliability factors for the T491C106K020AT7622

Engineers focused on global environmental directives will appreciate that the T491C106K020AT7622 is fully RoHS3 compliant, halogen-free, and manufactured using UL94 V-0 certified epoxy with low outgassing performance suitable for sensitive systems. From a safety perspective, correct polarity is mandatory, as solid tantalum capacitors are polar devices. The positive terminal is clearly marked by a stripe and, in some cases, a beveled edge. While brief transient reverse voltage is permissible within manufacturer guidelines, continuous operation in reverse can result in permanent damage.

Reliability is further assured through 100% surge current testing on multiple case sizes, and standard ratings can be enhanced by substituting higher voltage or tighter tolerance parts within the same form factor, as allowed by the manufacturer.

Instructions for soldering and mounting the T491C106K020AT7622

The T491C106K020AT7622 is compatible with a wide range of assembly processes, including both wave and reflow (convection, IR, vapor phase) soldering. KEMET recommends preheating before soldering to minimize thermal shock, and the device is validated for three reflow passes based on IPC/J-STD-020D profiles. While hand soldering is possible, it requires precision to avoid damaging the molded case—best practice is to heat the solder pad and allow solder to wick naturally to the termination. The T491C106K020AT7622 can be assembled using standard land patterns as outlined in IPC-7351, tailored to product density requirements (Levels A, B, or C).

Storage guidelines for the T491C106K020AT7622

Long-term performance of the T491C106K020AT7622 depends on proper storage. Capacitors should be stored at temperatures below 40°C and relative humidity under 60%. Exposure to drastic temperature swings, high humidity, or corrosive atmospheres may degrade solderability and packaging. To maintain optimal component and packaging condition, use components within three years of receipt and avoid atmospheres containing chlorine or sulfur.

Alternative or comparable models to the T491C106K020AT7622

For engineers seeking alternatives or managing supply chain risks, the T491 series offers notable substitution possibilities. Within the same size code and form factor, KEMET can provide alternative products with higher voltage ratings, tighter capacitance tolerances, or improved ESR performance, each clearly marked on the device. Moreover, the T491 series encompasses a broad range of capacitance and voltage combinations—making it possible to swap in a higher-specification device if operating conditions or inventory constraints necessitate a change. When considering replacements, always validate electrical ratings and termination finish to match board assembly and circuit requirements.

Conclusion

The KEMET T491C106K020AT7622 is engineered to provide both flexibility and robustness for today’s surface-mount designs. Its strong electrical performance, range of packaging options, adherence to stringent environmental standards, and versatility within the broader T491 series make it a practical choice for applications demanding reliability and manufacturability. By following recommended usage, storage, and assembly guidelines, engineers and procurement professionals can confidently integrate the T491C106K020AT7622—and its equivalents—into advanced electronic systems, optimizing for lifecycle longevity and global compliance.