NOSB476M006R0500

Overview

The NOSB476M006R0500 is a surface-mount niobium oxide capacitor from the KYOCERA AVX NOS series. It features a capacitance of 47 µF with a rated DC voltage of 6.3 V and a tolerance of ±20%. The component utilizes a solid electrolyte construction within a 1411 (3528-21) package, measuring 3.5 mm in length, 2.8 mm in width, and 1.9 mm in height. Key electrical parameters include an equivalent series resistance (ESR) of 500 mΩ, a dissipation factor of 6%, and a maximum leakage current of 3 µA. It operates reliably within a temperature range of -55°C to +125°C.

Feature Summary

• Utilizes niobium oxide technology for stable performance without the risk of thermal runaway associated with tantalum capacitors.
• Features a solid electrolyte construction suitable for high-reliability surface-mount applications.
• Designed for compact electronic designs with a low-profile 1411 case size.

Applications

• General-purpose decoupling and filtering in consumer electronics
• Power supply output filtering in portable devices
• Signal conditioning circuits in industrial control systems

Procurement Notes

Verify the specific manufacturing date code and lot traceability upon order confirmation, as niobium oxide components may have distinct supply chain characteristics compared to standard tantalum parts. Ensure that the procurement documentation explicitly confirms the material composition as niobium oxide to distinguish it from similar-looking tantalum variants. Confirm compliance with RoHS directives and check for any specific handling requirements related to moisture sensitivity levels before finalizing the purchase agreement.

Selection Notes

Select this component when designing circuits requiring niobium oxide reliability without the safety risks of tantalum. The 6.3V rating and 47µF value are suitable for low-voltage digital logic power rails. Consider the 500mΩ ESR for ripple current handling capabilities. The 1411 footprint offers a balance between capacitance density and board space. Ensure the application voltage does not exceed the rated DC voltage to maintain long-term stability and prevent premature failure.

Part Context

This part belongs to the NOS series of niobium oxide capacitors manufactured by KYOCERA AVX. Niobium oxide capacitors serve as a robust alternative to tantalum capacitors, offering similar form factors but with improved surge current handling and inherent safety against thermal runaway. This series is designed for general-purpose applications where reliability and compact size are critical, bridging the gap between ceramic capacitors and traditional solid tantalum devices.

Replacement Considerations

Direct replacements must match the 47µF capacitance, 6.3V rating, and 1411 package dimensions. Verify that substitute parts also utilize niobium oxide technology if thermal runaway prevention is required. Check for equivalent ESR values around 500mΩ to ensure circuit stability. Cross-reference with other manufacturers' niobium oxide offerings in the 1411 case size for availability.