UPW2A102MHD

The UPW2A102MHD is a miniature, low-impedance aluminum electrolytic capacitor from Nichicon's UPW series designed for switching power supplies and related power electronics. It is a polarized, radial-lead, can-style capacitor specified at 1 mF and 100 V.

Built for durability in demanding environments, this part offers a wide operating temperature range and long-term endurance, making it suitable for automotive and other reliability-focused applications where AEC-Q200 qualification is required.

Key Features

• Capacitance & Voltage — Rated at 1 mF with a 100 V DC rating for energy storage and smoothing in higher-voltage power rails.
• Low Impedance — Specified impedance of 94 mOhm to support effective ripple attenuation and fast transient response in switching supplies.
• Ripple Current Handling — Rated ripple current of 1.14 A at 120 Hz and 1.52 A at 10 kHz, supporting continuous ripple dissipation across common switching frequencies.
• Temperature Range & Endurance — Operates from −55 °C to 105 °C and is specified for 8,000 hours at 105 °C, providing long-term stability under elevated temperature stress.
• Package & Mounting — Radial lead, can-style package with 7.5 mm lead spacing for through-hole mounting and mechanical robustness.
• Tolerance & Polarity — Capacitance tolerance of ±20% (polarized), consistent with typical electrolytic capacitor behavior and design expectations.
• Automotive Qualification — AEC-Q200 rated, supporting use in automotive electronics and other applications requiring automotive-grade reliability.
• Compact Footprint — Physical dimension L: 4 × D: 1.8 cm for space-conscious designs requiring high capacitance per volume.

Typical Applications

• Switching Power Supplies — Bulk smoothing and output filtering where low impedance and high ripple-current capability improve voltage stability and transient response.
• Automotive Electronics — Power modules and control units that require AEC-Q200 qualification and long-term endurance at elevated temperatures.
• DC–DC Converters — Energy storage and decoupling on high-voltage rails where 1 mF at 100 V supports regulated outputs and reduces noise.
• Power Filtering — Input or output filter stages in industrial and embedded power systems that demand sustained ripple handling and reliable operation over time.

Unique Advantages

• High-voltage energy density: 1 mF at 100 V provides substantial capacitance for high-voltage smoothing without moving to larger formats.
• Low-impedance design: 94 mOhm impedance reduces voltage ripple and improves transient response in switching regulators.
• Robust ripple performance: Specified ripple currents at 120 Hz and 10 kHz enable predictable thermal and electrical behavior across common frequencies.
• Long life at elevated temperature: 8,000 hours at 105 °C supports long-term reliability in thermally demanding installations.
• Automotive-grade qualification: AEC-Q200 rating provides a clear qualification path for automotive and similarly demanding applications.
• Through-hole mounting convenience: Radial lead can package with 7.5 mm lead spacing simplifies prototyping, repair, and mechanical mounting in power assemblies.

Why Choose UPW2A102MHD?

The UPW2A102MHD positions itself as a dependable, miniature high-voltage electrolytic solution for designers needing substantial capacitance, low impedance, and proven endurance. Its combination of 1 mF capacitance at 100 V, defined ripple-current specs, and 8,000-hour endurance at 105 °C makes it appropriate for power-dense switching supplies and automotive power electronics where long-term stability matters.

Manufactured by Nichicon as part of the UPW series and carrying AEC-Q200 qualification, this capacitor is aimed at engineers and procurement teams building reliable power subsystems that require predictable electrical performance and automotive-level qualification.

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