UES1E330MPM

The UES1E330MPM is a bi-polarized aluminum electrolytic capacitor from Nichicon’s UES "MUSE" acoustic series, designed specifically for audio signal circuits. It provides a 33 µF capacitance at a 25 V rating in a compact radial can package tailored for through-hole audio PCB assemblies.

Engineered for audio-focused designs, the device combines a small footprint and radial-lead mounting with audio-targeted specification and RoHS compliance for regulated production environments.

Key Features

• Bi-polarized construction — Designed as a bi-polarized capacitor for use in audio signal circuits as part of the nichicon MUSE acoustic series.
• Electrical characteristics — 33 µF capacitance with ±20% tolerance (measured at 120 Hz, 20°C) and a rated voltage of 25 V.
• Low-loss performance — Specified tangent of loss angle (tan δ) of 0.16 at 25 V (measurement frequency: 120 Hz at 20°C), suitable for signal-path use in audio equipment.
• Leakage current — Leakage current specified at 24.75 µA (measured at 20°C after 1 minute), with the general datasheet limit of not more than 0.03 CV (µA) after 1 minute’s application of rated voltage at 20°C.
• Temperature and stability — Rated operating range −40°C to +85°C with impedance stability characteristics defined across low temperatures (Z(−25°C)/Z(+20°C) = 2; Z(−40°C)/Z(+20°C) = 4 for rated voltages).
• Endurance — Endurance specification: meet listed characteristics after 1000 hours at 85°C with rated voltage applied and polarity inverted every 250 hours.
• Mechanical and mounting — Radial lead, can package with lead spacing P = 3.5 mm and physical size approximately L: 1.15 × D: 0.8 cm (case 8 × 11.5 mm for this part).
• Environmental compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio signal circuits — Intended for use in audio signal paths within audio equipment where a bi-polarized electrolytic capacitor is required.
• Acoustic-focused equipment — Part of Nichicon’s MUSE acoustic series, suitable for acoustic and audio-oriented components and modules.
• Through-hole PCB assemblies — Radial lead, can package designed for conventional through-hole mounting on audio PCBs and assemblies.

Unique Advantages

• Audio-focused series: Part of the nichicon MUSE acoustic lineup, explicitly targeted for audio signal applications.
• Bi-polarized design: Bi-polarized construction provides the appropriate topology for audio signal circuit integration defined by the datasheet.
• Compact radial can: Small case size (8 × 11.5 mm) and radial leads (P = 3.5 mm) simplify placement in dense through-hole audio PCBs.
• Measured performance data: Manufacturer-specified tan δ (0.16 at 25 V, 120 Hz) and leakage current (24.75 µA) allow designers to budget losses and bias behavior from the datasheet values.
• Defined temperature endurance: Rated for −40°C to +85°C with a 1000 h endurance rating at 85°C under rated voltage conditions as stated in the datasheet.
• Regulatory compliance: RoHS compliance supports regulated manufacturing and product lines requiring restricted substance conformance.

Why Choose UES1E330MPM?

UES1E330MPM positions itself as a compact, datasheet-defined bipolar electrolytic solution for audio signal circuits where a small radial package and explicit acoustic-series characteristics are required. Its published electrical parameters—33 µF at 25 V, controlled tan δ, defined leakage current, and low-temperature impedance ratios—give designers concrete values to use in signal-path designs.

This part is suited to engineers and procurement teams specifying through-hole audio components that require RoHS compliance and an established endurance specification (1000 hours at 85°C). The combination of niche audio series designation and documented performance supports predictable integration into audio equipment designs.

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