UPA1A182MPD6

The UPA1A182MPD6 is a miniature, high-reliability aluminum electrolytic capacitor from Nichicon's UPA series. It is a radial-lead, polarized capacitor designed for power-electronics applications, offering low impedance and elevated ripple-current capability.

Targeted for switching power supplies and general-purpose power designs, this 1800 µF, 10 V unit combines compact size with extended endurance and RoHS compliance to support sustained operation in demanding environments.

Key Features

• Capacitance & Voltage — 1800 µF (1.8 mF) nominal capacitance at a rated voltage of 10 V with a tolerance of -20% to +20%.
• Low impedance — Rated impedance of 66 mΩ, delivering improved transient and ripple performance in power circuits.
• High ripple-current capability — Low-frequency ripple current 1.428 A (120 Hz) and high-frequency ripple current 1.68 A (10 kHz), enabling robust filtering in switching regulators.
• Loss characteristics — Tangent of loss angle (tan δ) of 0.19 measured at 20°C, 120 Hz (10 V rating), suitable for evaluating AC loss in power applications.
• Leakage current — Specified leakage current of 540 µA to support predictable charge/discharge behavior.
• High-temperature endurance — Designed for 4000 hours at 105°C (endurance rating for the φ10 case size), supporting long-term stability under elevated operating temperature.
• Wide operating temperature — Specified for -55°C to +105°C to accommodate a broad range of environmental conditions.
• Compact radial package — φ10 × 25 mm can with 5 mm lead spacing, radial-lead mounting for through-hole assemblies; available in bulk or bag packing.
• Regulatory status — RoHS compliant.

Typical Applications

• Switching Power Supplies — Bulk or output smoothing and ripple reduction where high ripple current and low impedance are required.
• General-Purpose Power Electronics — Energy storage and decoupling in a variety of board-level power systems and modules.
• High-Reliability Industrial Equipment — Designs that require extended endurance at elevated temperatures and predictable leakage behavior.

Unique Advantages

• Low-impedance performance: 66 mΩ impedance helps reduce voltage ripple and improves transient response in power stages.
• High ripple-current handling: 1.428 A (120 Hz) and 1.68 A (10 kHz) ratings allow reliable filtering across low- and high-frequency components of switching noise.
• Extended high-temperature life: 4000 hours at 105°C (φ10 case) provides predictable long-term performance in thermally demanding applications.
• Compact radial can: φ10 × 25 mm package with 5 mm lead spacing delivers a small footprint for space-constrained boards while keeping through-hole mounting simplicity.
• Measured loss behavior: tan δ = 0.19 (20°C, 120 Hz) gives a quantifiable basis for AC-loss and thermal-rise calculations.
• RoHS compliant: Meets regulatory requirements for lead-free materials in production assemblies.

Why Choose UPA1A182MPD6?

The UPA1A182MPD6 is positioned for designers who need a compact, high-reliability aluminum electrolytic capacitor with low impedance and strong ripple-current performance. Its combination of 1800 µF capacitance, 10 V rating, and a φ10 radial can makes it suitable for switching power supplies and general-purpose power-electronics applications where space, thermal endurance, and predictable electrical behavior are priorities.

With specified leakage, loss angle, and a 4000-hour endurance at 105°C, this part provides measurable performance characteristics that simplify component selection and reliability planning for production designs. RoHS compliance and standard bulk/bag packaging support integration into existing manufacturing workflows.

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