UPJ0J821MPD6

The UPJ0J821MPD6 is a miniature, high-reliability aluminum electrolytic capacitor from Nichicon's UPJ series, designed as a radial-lead, polarized power capacitor. It delivers 820 µF at 6.3 V in a compact φ10 × 16 mm can, optimized for general-purpose power filtering and decoupling in compact electronic power supplies.

Built for low impedance and long endurance, this part is suited to switching power supplies and other applications that require stable capacitance, controlled loss, and sustained ripple-current performance across a wide temperature range.

Key Features

• Capacitance & Voltage — 820 µF nominal capacitance at a rated voltage of 6.3 V with tolerance ±20%.
• Low Loss (tan δ) — tan δ (DF) 0.22 measured at 20°C, 120 Hz, providing predictable dissipation characteristics for power applications.
• Ripple Current Capability — Low-frequency ripple current 457.2 mA (120 Hz) and high-frequency ripple current 635 mA (200 kHz) to handle both bulk filtering and higher-frequency switching noise.
• Leakage Current — Specified leakage current of 154.98 µA, supporting controlled standby losses in DC rails.
• High Endurance — Rated life of 5000 hours at 105°C, enabling long-term reliability under sustained load conditions for the φ10 case size.
• Wide Operating Temperature — Specified for −55°C to +105°C operation to cover demanding thermal environments.
• Compact Radial Package — φ10 × 16 mm can with 5 mm lead spacing (±0.5 mm), radial-lead mounting for through-hole assemblies; available in bulk or bag packing.
• RoHS Compliant — Product is compliant with applicable RoHS requirements.

Typical Applications

• Switching Power Supplies — Bulk and output filtering where low impedance and controlled dissipation improve voltage stability for converters.
• DC–DC Converter Modules — Compact power modules benefit from the UPJ0J821MPD6’s high ripple-current capability and small footprint for input/output smoothing.
• Industrial Power Rails — Power-supply filtering and decoupling in industrial control equipment operating across a broad temperature range.
• Consumer Electronics — General-purpose power filtering in space-constrained designs that require reliable endurance and polarized radial mounting.

Unique Advantages

• Low Impedance Design — Engineered for low impedance to support switching-supply environments and reduce voltage ripple at the load.
• Extended High-Temperature Life — 5000-hour endurance at 105°C for the φ10 case delivers predictable lifetime performance under continuous thermal stress.
• Balanced Ripple Performance — Distinct LF and HF ripple current ratings (457.2 mA @120 Hz and 635 mA @200 kHz) cover both mains-frequency smoothing and high-frequency switching noise.
• Compact Through-Hole Form Factor — φ10 × 16 mm can with 5 mm lead spacing provides a space-efficient radial solution for board-level power filtering.
• Measured Dissipation Parameters — Specified tan δ and leakage current values allow designers to predict heat generation and standby losses in their power rails.
• Production Availability — Mass-production status and standard bulk/bag packaging options simplify procurement and assembly planning.

Why Choose UPJ0J821MPD6?

The UPJ0J821MPD6 combines a compact radial-can package with proven UPJ-series characteristics—low impedance, defined dissipation (tan δ), controlled leakage, and long life at elevated temperature. These attributes make it a practical choice for engineers designing compact switching power supplies, DC–DC modules, and general-purpose power rails that require stable capacitance and predictable thermal behavior.

For designs where footprint, ripple-current handling, and long-term reliability matter, this Nichicon UPJ part delivers verifiable specifications (820 µF, 6.3 V, −55°C to +105°C, 5000 h at 105°C) that help reduce design risk and simplify component selection.

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