UFG1K331MHM

The UFG1K331MHM from Nichicon is a high-grade aluminum electrolytic capacitor in the UFG "Fine Gold" MUSE acoustic series, engineered for audio and AV equipment. It is a radial-leaded, polarized can designed to deliver enhanced bass response and clearer high-frequency detail through Nichicon’s state-of-the-art etching techniques.

Rated at 330 µF and 80 V with an operating temperature range of -40 °C to 85 °C, this capacitor is intended for general-purpose use in high-grade audio applications where acoustic character and reliable performance over time matter. It is RoHS compliant for regulatory compatibility.

Key Features

• Audio-focused acoustic series: Part of Nichicon’s "Fine Gold" MUSE series, using advanced etching techniques to influence sonic characteristics described as richer bass and clearer high end.
• Capacitance and voltage: 330 µF capacitance at an 80 V rating, suitable for circuits requiring higher-voltage electrolytic energy storage in a compact package.
• Radial lead radial can package: Through-hole radial lead mounting with a 7.5 mm lead spacing and a compact footprint of L: 3.05 × D: 1.6 cm for PCB-mounted assemblies.
• Temperature and endurance: Operates from -40 °C to 85 °C and meets endurance criteria after 1000 hours at 85 °C as specified in the UFG series datasheet.
• Ripple current capability: Rated ripple current of 650 mA at 120 Hz and 975 mA at 10 kHz for handling AC ripple in power and audio circuits.
• Performance metrics: Capacitance tolerance ±20%; tan δ (loss tangent) for the 80 V rating is specified at a maximum of 0.09 at 120 Hz, 20 °C, with low-temperature impedance ratios provided in the series specifications.
• Regulatory and marking: RoHS compliant; units are printed in black on a gold sleeve per the series marking specification.

Typical Applications

• Audio and AV equipment: Used in consumer and professional audio assemblies to support power filtering and signal coupling where the UFG series’ acoustic characteristics are desired.
• General-purpose electronic circuits: Suitable for through-hole designs requiring polarized aluminum electrolytic capacitance with reliable ripple handling and thermal endurance.
• Power supply filtering in audio subsystems: Employed to smooth supply rails and manage AC ripple in amplifier and preamplifier sections within AV systems.

Unique Advantages

• Audio-tuned character: The Fine Gold MUSE acoustic series and specialized etching techniques are specified to deliver a richer low end and clearer high end, aligning component choice with sonic goals.
• High-voltage capability: An 80 V rating provides margin for higher-voltage audio and power circuitry compared with lower-voltage electrolytics.
• Measurable endurance: Engineered to meet the UFG series endurance criteria after 1000 hours at 85 °C, with specified limits on capacitance change, tan δ, and leakage current.
• Robust ripple performance: Defined ripple current figures at both low (120 Hz) and high (10 kHz) frequencies help designers assess thermal and AC stress in application-specific layouts.
• Clear specification set: Series-level data such as tan δ limits, low-temperature impedance ratios, and leakage current formulas are provided for engineering evaluation and design margining.
• RoHS compliance: Conforms to the RoHS directive listed in the product description, supporting regulatory requirements for many markets.

Why Choose UFG1K331MHM?

UFG1K331MHM positions itself as a component choice for designers focused on high-grade audio and AV equipment who want a specified acoustic character combined with documented electrical performance. The combination of 330 µF capacitance, an 80 V rating, and series-provided endurance/ripple specifications allows engineers to evaluate trade-offs between acoustic goals and reliability requirements.

Manufactured under Nichicon’s UFG series, this capacitor provides a clear specification set and RoHS compliance, making it suitable for product designs where both sonic behavior and verifiable electrical parameters are important over the product lifecycle.

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