RL80J821MDNASQ

The RL80J821MDNASQ is a Nichicon RL8 series conductive polymer aluminum solid electrolytic capacitor in a radial-lead (FPCAP) package. It delivers 820 µF capacitance at 6.3 V with a compact φ8 × 8 mm low-profile can and 3.5 mm lead spacing.

Designed for general-purpose power electronics, this capacitor emphasizes ultra-low ESR and high ripple-current capability while providing long-term endurance up to 5000 hours at 105°C—making it suitable for space-constrained designs that require robust decoupling and smoothing performance.

Key Features

• Conductive polymer solid electrolyte — Solid electrolyte construction for stable performance and reliable operation in demanding environments.
• High capacitance and tolerance — 820 µF with ±20% tolerance (at 120 Hz, 20°C) for robust energy storage and bulk decoupling.
• Low ESR — 8 mΩ specified at 20°C / 100 kHz, enabling low-loss filtering and improved transient response.
• High ripple-current capability — 570 mA at 120 Hz and 5.7 A at 300 kHz, supporting both low- and high-frequency ripple environments.
• Thermal and lifetime performance — Rated for operation from −55°C to 105°C with a 5000-hour rated life at 105°C.
• Compact radial package — φ8×8 mm can with 3.5 mm lead spacing and radial leads for through-hole assembly; available in bulk or bag packing.
• RoHS compliant — Meets RoHS requirements for lead-free applications.

Typical Applications

• Power-supply decoupling and smoothing — Provides bulk capacitance and low ESR for voltage rails where high ripple-current handling (up to 5.7 A at 300 kHz) and stable filtering are required.
• DC–DC converter output filtering — Compact φ8×8 package and low ESR support tight layout constraints in power modules and point-of-load converters.
• General-purpose electronics — Suited for a wide range of consumer and industrial circuits labeled as “General Purpose” where long life (5000 h at 105°C) and high reliability are needed.

Unique Advantages

• Low-loss operation: 8 mΩ ESR at 100 kHz reduces power dissipation and thermal stress in high-frequency applications.
• High ripple endurance: Rated ripple current up to 5.7 A at 300 kHz supports demanding switching environments and improves system stability.
• Space-saving profile: φ8×8 mm low-profile can and radial lead form factor enable compact board layouts without sacrificing capacitance.
• Long-term reliability: 5000-hour endurance at 105°C helps ensure sustained performance in elevated-temperature applications.
• Practical mounting and packaging: Radial-lead construction with standard 3.5 mm lead spacing and bulk/bag packing options simplifies assembly and inventory handling.
• Regulatory compliance: RoHS compliance aligns with modern environmental requirements for electronics manufacturing.

Why Choose RL80J821MDNASQ?

The RL80J821MDNASQ balances high capacitance density, ultra-low ESR, and notable ripple-current capability in a compact radial-lead package. Its conductive polymer construction and 5000-hour life rating at 105°C make it a practical choice for designers seeking reliable bulk energy storage and filtering in space-constrained power designs.

This part is suitable for engineers and procurement teams building general-purpose power subsystems, DC–DC converters, and decoupling networks that require verified electrical performance and stable operation across −55°C to 105°C.

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