RR50G122MDN1

The RR50G122MDN1 is a conductive polymer aluminum solid electrolytic capacitor in a radial lead can, offering 1200 µF capacitance at a 4 V rating. It combines ultra-low ESR and high ripple-current capability with a compact φ10 × 12.5 mm package suited for general-purpose electronic designs.

Designed for applications that require robust power decoupling and high-frequency ripple handling, this capacitor delivers a balance of performance and reliability with a rated operating range of −55°C to 105°C and a 2000 hour endurance at 105°C.

Key Features

• Capacitance and Voltage: 1.2 mF (1200 µF) nominal capacitance with a 4 V rated voltage and ±20% tolerance at 20°C, 120 Hz.
• Ultra-low ESR: ESR of 5 mΩ (measured at 20°C / 100 kHz) for reduced power loss and improved high-frequency performance.
• High ripple-current capability: Low-frequency ripple current 722 mA (120 Hz) and high-frequency ripple current up to 7.22 A (300 kHz), enabling effective handling of dynamic loads.
• Temperature and Endurance: Rated for −55°C to 105°C with a load life of 2000 hours at 105°C and rated voltage.
• Loss characteristics: tanδ (DF) of 0.15 at 20°C, 120 Hz for predictable AC performance.
• Leakage current: Specified leakage current of 1200 µA (measured after 2 minutes at 20°C).
• Radial lead package: φ10 × 12.5 mm can with 5.0 mm lead spacing (±0.5 mm), available in bulk or bag packing for production handling.
• RoHS compliant: Meets RoHS directive requirements for restricted substances.

Typical Applications

• General-purpose power electronics: Suitable for designs that require stable bulk capacitance with low ESR across −55°C to 105°C operating range.
• High-ripple power rails: Effective where elevated ripple-current capability is needed to support dynamic loads and switching stages.
• Compact board-level solutions: Small φ10 × 12.5 mm radial can and 5 mm lead spacing enable placement in space-constrained assemblies.

Unique Advantages

• Low-loss operation: 5 mΩ ESR and tanδ 0.15 reduce heating and power loss in high-frequency conditions.
• High ripple tolerance: Rated ripple currents of 722 mA (120 Hz) and 7.22 A (300 kHz) support demanding ripple environments.
• Temperature resilience: −55°C to 105°C range and 2000 hour life at 105°C provide long-term stability under elevated temperature stress.
• Compact radial form factor: φ10 × 12.5 mm can with 5 mm lead spacing simplifies integration into existing radial-lead layouts.
• Production-ready packaging: Available in bulk or bag packing and listed as mass production for reliable supply chain handling.

Why Choose RR50G122MDN1?

The RR50G122MDN1 positions itself as a dependable conductive polymer aluminum solid capacitor for engineers needing low ESR, high ripple-current capability, and proven endurance at elevated temperatures. Its combination of 1200 µF capacitance, 4 V rating, and a compact radial can form factor makes it suitable for general-purpose power applications where space, thermal tolerance, and AC performance matter.

This part is well suited to designs that prioritize efficient power smoothing and high-frequency ripple handling, and its RoHS compliance and mass-production status support predictable sourcing and lifecycle management.

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