UES1H330MPM

The UES1H330MPM is a bi‑polarized aluminum electrolytic capacitor from Nichicon’s MUSE acoustic UES series, designed specifically for audio signal circuits. Its construction and specification set deliver the electrical characteristics required for signal‑path use in audio equipment.

With a 33 µF capacitance at a 50 V rating, radial‑lead can package, and a wide operating temperature range, this capacitor targets designers of audio electronics who need a compact, RoHS‑compliant solution with defined endurance and loss characteristics.

Key Features

• Bi‑Polarized MUSE Acoustic Series: Bi‑polarized construction from Nichicon’s MUSE acoustic UES series, explicitly suited for audio signal circuits.
• Electrical Ratings: 33 µF capacitance at a 50 V rated voltage with tolerance ±20% (at 120 Hz, 20°C).
• Low Loss Characteristic: Specified tangent of loss angle (tan δ) for 50 V is a maximum of 0.12 (measured at 120 Hz, 20°C), supporting low‑loss signal performance.
• Leakage Current Specification: Leakage current defined as not more than 0.03 C V (µA) after one minute’s application of rated voltage at 20°C, providing predictable leakage behavior for design margins.
• Temperature Range & Endurance: Rated for −40°C to +85°C. Endurance defined as 1000 hours at 85°C with the polarity inverted every 250 hours; after this test, capacitance change remains within ±20%, tan δ is ≤150% of initial, and leakage current is less than or equal to initial specified value.
• Package & Mounting: Radial lead, radial can package with 5 mm lead spacing and compact dimensions L: 1.6 cm × D: 1.0 cm, suitable for through‑hole implementations.
• Environmental Compliance: Compliant to the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio Signal Circuits: Intended for use in audio signal paths where bi‑polarized performance is required.
• Consumer and Professional Audio Equipment: Suitable for circuit blocks within audio devices that process AC audio signals.
• Musical Instrument Electronics: Applicable to audio front‑end and signal processing sections in instruments and related gear.

Unique Advantages

• Audio‑Focused Design: Part of Nichicon’s MUSE acoustic UES series and explicitly suited for audio signal circuits, supporting design alignment with audio performance goals.
• Stable Loss Performance: Low specified tan δ (0.12 max at 50 V, 120 Hz, 20°C) helps maintain signal integrity in audio paths.
• Predictable Leakage Behavior: Leakage current limit set by a clear 0.03 C V (µA) formula after one minute at 20°C, enabling reliable bias and noise budgeting.
• Proven Endurance Conditions: Defined 1000 h endurance at 85°C with polarity inversion test conditions and specified post‑test limits give clear expectations for long‑term behavior under stress.
• Compact Through‑Hole Packaging: Radial can with 5 mm lead spacing and compact 1.6 cm × 1.0 cm footprint simplifies placement in dense through‑hole audio PCBs.
• Regulatory Compliance: RoHS compliance supports use in markets requiring restricted‑substance conformance.

Why Choose UES1H330MPM?

UES1H330MPM positions itself as a focused, specification‑driven choice for designers of audio electronics who require a bi‑polarized aluminum electrolytic capacitor with defined loss, leakage, temperature, and endurance characteristics. Its MUSE acoustic series pedigree and clear datasheet limits make it straightforward to evaluate for signal‑path applications.

This part is well suited to engineers and procurement teams building audio signal circuits that need a compact radial lead capacitor with documented performance limits, predictable leakage behavior, and RoHS compliance.

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