RHA1E121MCN1GS

The RHA1E121MCN1GS is a surface-mount conductive polymer aluminum solid electrolytic capacitor from Nichicon's RHA series. It delivers 120 µF capacitance at a 25 V rating in a compact φ8 × 6.7 mm SMD can package intended for general-purpose applications.

Designed for applications that require low ESR and high ripple-current capability, this part combines high capacitance density with performance characteristics optimized for power decoupling and bulk filtering in compact assemblies.

Key Features

• Capacitance & Voltage — 120 µF nominal capacitance with a 25 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• Conductive Polymer Electrolyte — Solid conductive polymer construction provides low ESR and high ripple-current handling compared with conventional electrolytic designs.
• Low ESR — ESR of 18 mΩ measured at 20°C / 100 kHz, supporting efficient high-frequency performance.
• High Ripple Current — Rated low-frequency ripple current 320 mA at 120 Hz and high-frequency ripple current 3.2 A at 300 kHz (frequency coefficients provided in the series datasheet).
• Thermal and Endurance — Operating range −55°C to +105°C with a rated load life of 2000 hours at 105°C.
• Loss Tangent — tan δ = 0.12 (measured at 20°C, 120 Hz), suitable for stable loss performance in typical operating conditions.
• Leakage Current — Specified leakage current of 600 µA (after standard conditioning).
• Compact SMD Can Package — φ8 × 6.7 mm case (radial, can - SMD) with recommended land size 8.3 × 8.3 mm; supplied in embossed carrier taping with moisture-proof packing for automated assembly.
• Lead-Free Reflow Compatibility — Series compatible with lead-free reflow soldering conditions up to a 260°C peak.
• RoHS Compliant — Meets RoHS directive requirements.

Typical Applications

• General Purpose Power — Bulk filtering and decoupling where low ESR and high ripple-current capability are required in compact SMD form factors.
• Power Modules and DC–DC Converters — Local energy storage and smoothing in high-frequency power stages leveraging the 3.2 A high-frequency ripple rating.
• Embedded and Industrial Electronics — Durable operation across −55°C to +105°C for a variety of general-purpose embedded and industrial designs.

Unique Advantages

• High ripple handling in a compact footprint: 3.2 A ripple current at 300 kHz and 120 µF capacitance in a φ8 × 6.7 mm can reduces board area while supporting demanding power rails.
• Low ESR for improved efficiency: 18 mΩ ESR at 20°C/100 kHz lowers heat generation and voltage drop at high frequencies.
• Robust thermal endurance: Rated for continuous operation up to 105°C with a 2000-hour life rating, enabling reliable performance in elevated temperature environments.
• Assembly-ready packaging: Embossed carrier taping with moisture-proof packing and lead-free reflow compatibility simplifies automated placement and soldering.
• Predictable loss characteristics: tan δ = 0.12 at 20°C/120 Hz supports stable AC loss behavior for design predictability.
• Regulatory compliance: RoHS conformity supports use in regulated product lines.

Why Choose RHA1E121MCN1GS?

RHA1E121MCN1GS positions itself as a compact, high-capacitance SMD solution for general-purpose power applications that demand low ESR and strong ripple-current capability. Its conductive polymer aluminum construction, defined electrical characteristics, and 2000-hour endurance at 105°C make it suitable for designers seeking reliable bulk capacitance and decoupling in constrained layouts.

This part is well suited to engineers and procurement teams specifying SMD capacitors for power modules, DC–DC converters, and embedded systems that require verifiable performance data for thermal endurance, ESR, and ripple current in a proven Nichicon RHA series package.

Request a quote or contact sales to discuss pricing, lead times, and availability for RHA1E121MCN1GS.