RNE1C391MCSASQ

The RNE1C391MCSASQ is a conductive polymer aluminum solid electrolytic capacitor from Nichicon's RNE series, designed for general-purpose electronic applications. It delivers high capacitance and low equivalent series resistance (ESR) in a compact radial-lead can, providing robust ripple-current handling and long-term stability across a wide temperature range.

Key Features

• Conductive polymer construction — Solid electrolytic design for stable performance with low internal resistance.
• High capacitance — Rated at 390 µF to support bulk energy storage and decoupling needs in compact assemblies.
• Rated voltage — 16 V working voltage suitable for many general-purpose circuit rails.
• Low ESR — 15 mΩ measured at 100 kHz (20°C), enabling lower loss and improved efficiency in high-frequency environments.
• High ripple-current capability — Specified ripple current of 350 mA at 120 Hz and 3.5 A at 300 kHz, supporting switching and high-frequency circuits.
• Extended load life — 5000 hours at 105°C for reliable long-term operation under elevated temperature stress.
• Mechanical and mounting — Radial lead, can-type package with 2.5 mm lead spacing and compact dimensions (L: 1 × D: 0.63 cm), for through-hole assembly.
• Temperature and tolerance — Operating range −55°C to 105°C with capacitance tolerance of −20% to +20%.
• Assembly and compliance — Compatible with lead-free flow soldering conditions and compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Power filtering and decoupling — Low ESR and high capacitance make this part suited to smoothing and decoupling tasks in general-purpose electronic boards.
• Switching and high-frequency circuits — Rated ripple-current performance at 300 kHz supports use in power conversion and switching environments that require stable high-frequency handling.
• Bulk energy storage on compact PCBs — High capacitance in a small radial-can footprint provides bulk hold-up or local energy buffering where board space is constrained.

Unique Advantages

• Performance-driven specification — Low ESR (15 mΩ at 100 kHz) combined with high ripple-current ratings reduces heat generation and improves efficiency in demanding circuits.
• Long-term reliability — 5000-hour load life at 105°C supports prolonged operation under elevated temperatures, helping maintain capacitance and ESR stability.
• Compact through-hole form factor — Radial lead, can-style package with 2.5 mm lead spacing enables straightforward through-hole assembly while minimizing board area.
• RoHS and lead-free assembly compatible — Meets RoHS (2011/65/EU, (EU)2015/863) and corresponds to lead-free flow soldering conditions for modern manufacturing processes.
• Wide operating temperature range — −55°C to 105°C rating accommodates a broad set of general-purpose electronic environments.

Why Choose RNE1C391MCSASQ?

RNE1C391MCSASQ combines the low ESR and high ripple-current handling of conductive polymer aluminum technology with a compact radial-lead package, delivering a practical solution for general-purpose board-level energy storage and filtering. Its 390 µF/16 V rating, documented ESR and ripple specifications, and 5000-hour life at 105°C make it a reliable choice for designs that require stable capacitance and thermal endurance.

This part is well suited to engineers and procurement teams looking for a verified solid-electrolyte capacitor from Nichicon's RNE series for medium-voltage, high-ripple applications where through-hole mounting and regulatory compliance are important considerations.

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