UES1E4R7MDM

The UES1E4R7MDM is a bi‑polar aluminum electrolytic capacitor from Nichicon’s MUSE acoustic series, engineered for use in audio signal circuits. It provides a compact, radial‑lead solution for designers needing a polarized‑neutral capacitor with a 4.7 µF capacitance at a 25 V rating.

Designed for through‑hole assembly, this capacitor combines a small can package with audio‑focused construction and RoHS compliance, making it suitable for a range of consumer and professional audio applications.

Key Features

• Electrical – Capacitance & Voltage 4.7 µF nominal capacitance with a 25 V rated voltage and tolerance of −20% to +20%.
• Bi‑Polarized Design Specifically specified as bi‑polar, suitable for audio signal circuits where polarity neutrality is required.
• Package & Mounting Radial, can package with radial lead mounting and 2 mm lead spacing for through‑hole PCB assembly.
• Size & Mechanical Compact footprint: 1.1 cm length × 0.5 cm diameter; maximum seated height 1.1 cm, supporting space‑constrained board layouts.
• Temperature & Lifetime Operating range −40°C to +85°C with a rated lifetime of 1000 hours at 85°C (endurance test conditions described in the series datasheet).
• Loss and Leakage Characteristics Series specifications include a tan δ maximum of 0.16 at 25 V (measurement frequency: 120 Hz, 20°C) and a leakage current guideline of not more than 0.03CV (µA) after one minute at 20°C.
• Environmental Compliance RoHS compliant (2011/65/EU, (EU)2015/863) and marked with black text on a clear green sleeve per the series marking scheme.

Typical Applications

• Line‑level audio circuits Used for AC coupling and signal path applications where a bi‑polarized capacitor is required to avoid DC bias issues.
• Preamp and tone control circuits Compact radial package fits through‑hole PCB layouts in analog audio front‑ends and filters.
• Consumer and professional audio equipment Incorporation in signal paths within mixers, effects, and amplification stages where small size and bi‑polar operation are beneficial.

Unique Advantages

• Bi‑Polar construction for audio signals: Eliminates polarity constraints in AC signal paths, simplifying coupling and filter designs.
• Compact radial can footprint: Small dimensions (1.1 cm × 0.5 cm) and 2 mm lead spacing enable space‑efficient through‑hole layouts.
• Documented endurance profile: Rated for 1000 hours at 85°C with polarity inversion test conditions specified in the series documentation, supporting reliability planning.
• Measured electrical parameters: Series tan δ and leakage current specifications (tan δ 0.16 at 25 V; leakage ≤ 0.03CV µA after 1 minute at 20°C) provide quantifiable targets for design validation.
• Regulatory compliance: RoHS compliance supports environmental and regulatory requirements for commercial audio products.

Why Choose UES1E4R7MDM?

UES1E4R7MDM is positioned for audio designers who need a small, bi‑polar aluminum electrolytic capacitor that integrates into through‑hole PCBs and accommodates AC signal paths without polarity concerns. Its combination of compact size, documented electrical characteristics, and a defined endurance profile makes it suitable for embedded audio applications where predictable behavior and RoHS compliance matter.

As part of Nichicon’s MUSE acoustic series, this capacitor is intended for engineers seeking a verified audio‑oriented component with clear specifications for temperature, lifetime, leakage, and loss angle to support reliable product development and qualification activities.

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