UPJ1C821MPD

The UPJ1C821MPD is an aluminum electrolytic capacitor in Nichicon’s UPJ series engineered for low impedance and reliable power filtering. This radial-lead, polar capacitor offers 820 µF nominal capacitance at a 16 V rating and is designed for general-purpose use and switching power supply applications.

Key performance attributes include a wide operating temperature range of -55 °C to 105 °C, long endurance under load (5,000 hours at 105 °C for the specified case sizes), and robust ripple-current handling — making it suitable where compact, durable bulk capacitance is required.

Key Features

• Capacitance & Voltage — 820 µF nominal capacitance with a rated voltage of 16 V and a capacitance tolerance of ±20% (120 Hz, 20 °C).
• Low‑impedance UPJ Series — Part of Nichicon’s UPJ series specified for low impedance and suitability in switching power supplies, delivering effective smoothing in power rails.
• Ripple‑current capability — Rated low-frequency ripple current of 741.6 mA at 120 Hz and high-frequency ripple current of 1.03 A at 200 kHz for improved performance under dynamic loads.
• Endurance at elevated temperature — Specified life of 5,000 hours at 105 °C (for applicable case sizes), supporting sustained operation in heated environments.
• Loss and leakage specifications — Tangent of loss angle (tan δ) 0.16 (20 °C, 120 Hz) and leakage current 393.6 µA, enabling predictable dissipation and low standby loss.
• Compact radial-can package — Size φ10 × 25 mm with 5 mm lead spacing (±0.5 mm) and radial lead mounting for through-hole assembly and hand or wave soldering workflows.
• Regulatory compliance — RoHS compliant and available in bulk (no terminal forming) / bag packing; product is in mass production.

Typical Applications

• Switching Power Supplies — Low impedance and high ripple-current capability make it suitable for bulk and output filtering in switching regulators.
• DC‑DC Converters — Provides bulk capacitance and ripple suppression for board-level converters operating up to 16 V.
• General‑purpose Power Filtering — Compact radial-can form factor and wide temperature range enable use in consumer and industrial power-rail smoothing.

Unique Advantages

• High ripple tolerance: Rated for 741.6 mA at 120 Hz and 1.03 A at 200 kHz, allowing the capacitor to handle dynamic currents in switching circuits.
• Long elevated‑temperature life: 5,000 hours endurance at 105 °C supports designs that must sustain continuous thermal stress.
• Predictable electrical behavior: Specified tan δ (0.16 at 20 °C, 120 Hz) and defined leakage current (393.6 µA) help with thermal and power-loss budgeting.
• Space-efficient radial package: φ10 × 25 mm can and 5 mm lead spacing deliver substantial capacitance in a compact through-hole footprint.
• Production-ready supply: Mass production status with bulk/bag packing options simplifies procurement for medium- to high-volume assembly.
• RoHS compliance: Meets RoHS directive requirements for restricted substances.

Why Choose UPJ1C821MPD?

UPJ1C821MPD combines substantial bulk capacitance (820 µF) with low impedance characteristics and defined ripple-current capability, making it a practical choice for designers of switching power supplies and general-purpose power electronics that require reliable smoothing and filtering. Its defined endurance at 105 °C and controlled loss/leakage parameters support thermal and reliability planning in board-level designs.

This part is suited for engineers seeking a compact radial-lead electrolytic solution from Nichicon’s UPJ family, with production availability and standard packaging options to support prototyping through volume deployment.

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