UPS0J332MHD

The UPS0J332MHD is a miniature, low-impedance aluminum electrolytic capacitor designed for switching power supplies and general-purpose power filtering. It is a radial-lead, polarized can-style capacitor offering 3.3 mF capacitance at a 6.3 V rating, optimized for board-level bulk smoothing and decoupling where compact size and high ripple capability are required.

Built for a wide operating temperature range and long high-temperature endurance, this part is RoHS compliant and drawn from Nichicon's UPS series focused on compact, low-impedance electrolytic solutions for power-electronics applications.

Key Features

• Capacitance & Voltage — 3.3 mF (3,300 µF) rated at 6.3 V for bulk energy storage and smoothing on low-voltage power rails.
• Low Impedance — Specified impedance of 75 mΩ supports lower ripple voltage and tighter regulation in switching supplies.
• High Ripple Handling — Rated ripple current of 1.087 A at 120 Hz and 1.25 A at 10 kHz, enabling effective filtering across common switching frequencies.
• Wide Temperature Range — Operates from −55°C to +105°C to accommodate demanding thermal environments.
• Long High-Temperature Endurance — 3,000 hours at 105°C under rated conditions, meeting endurance expectations for sustained elevated-temperature operation.
• Compact Radial Package — Radial-can construction with 5 mm lead spacing and compact dimensions (L: 2.0 cm × D: 1.25 cm), suitable for tight board layouts.
• Leakage & Loss Characteristics — Series specification: leakage current not more than 0.03CV (µA) after 1 minute at 20°C; tan δ (max.) for 6.3 V is 0.24 at 120 Hz, 20°C (series guidance also notes incremental tan δ for capacitances >1000 µF).
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Switching Power Supplies — Bulk smoothing and output filtering in DC-DC converters and other switching regulators where low impedance and compact size are required.
• Power Rail Decoupling — Local energy storage for low-voltage power rails on embedded and board-level power modules.
• General-Purpose Power Electronics — Filtering and ripple reduction in industrial and consumer electronics that require polarized aluminum electrolytic capacitors.

Unique Advantages

• Low ESR/Impedance Advantage: 75 mΩ impedance helps reduce ripple voltage and improve transient response in power systems.
• Compact Footprint: Small radial-can dimensions and 5 mm lead spacing allow higher density placement on PCBs without sacrificing bulk capacitance.
• High Ripple Capability: Specified ripple currents at both low and high frequencies support effective filtering across switching frequency ranges.
• Wide Temperature & Endurance: −55°C to +105°C operation and 3,000-hour endurance at 105°C provide stable performance in thermally demanding environments.
• RoHS-Compliant: Meets RoHS directive requirements for restricted substances, supporting regulatory compliance for assemblies.

Why Choose UPS0J332MHD?

UPS0J332MHD positions itself as a compact, reliable aluminum electrolytic option for designers needing substantial bulk capacitance in constrained spaces. Its combination of low impedance, defined ripple current capability, and broad operating temperature range makes it well suited to switching power supply outputs and general-purpose power filtering across industrial and embedded applications.

Specified endurance at elevated temperature and clear leakage/tan δ guidance from the UPS series provide the performance data engineers need to evaluate long-term stability and thermal behavior. This component is appropriate for teams looking for a miniature, radial-lead polarized capacitor with verifiable electrical and environmental characteristics.

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