UES1H221MHM

The UES1H221MHM is a bi-polar aluminum electrolytic capacitor from Nichicon's UES "MUSE" acoustic series, designed specifically for audio signal circuits and audio equipment. Its construction and specifications address AC-coupling and signal-path requirements in audio designs while maintaining environmental compliance.

This radial-lead, can-style capacitor provides 220 µF capacitance at a 50 V rating, with a wide operating temperature range and defined endurance characteristics suitable for professional and consumer audio applications.

Key Features

• Bi-Polar Acoustic Series  Part of Nichicon's MUSE acoustic series; configured as a bi-polar capacitor suited for audio signal circuits and audio equipment.
• Capacitance and Voltage  220 µF nominal capacitance with a 50 V rated voltage and tolerance of ±20% (–20% ~ 20%).
• Package & Mounting  Radial lead, can-style package with 7.5 mm lead spacing and physical size L: 2.5 cm × D: 1.6 cm for through-hole installation.
• Temperature & Lifetime  Operating temperature range –40 °C to +85 °C with a rated endurance of 1000 hours at 85 °C (with polarity inversion as specified).
• Electrical Characteristics  Leakage current specified as not more than 0.03CV (µA) after 1 minute at 20 °C; tan δ maximum for 50 V parts is 0.12 (measured at 120 Hz, 20 °C).
• Regulatory Compliance  Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio signal circuits  AC coupling and signal-path use in line-level and preamplifier stages where bi-polar behavior is required.
• Audio equipment  Integration in consumer and professional audio gear that specifies components from an acoustic-focused capacitor series.
• Audio coupling and decoupling  Use in circuits requiring stable capacitance for audio frequencies with defined leakage and tan δ characteristics.

Unique Advantages

• Audio-focused dielectric and construction  Part of the Nichicon MUSE acoustic series, designed specifically for audio signal integrity and application needs.
• Bi-polar configuration  Eliminates the need for polarized orientation in AC-coupled audio paths, simplifying design in bipolar signal circuits.
• Defined endurance specification  Rated for 1000 hours at 85 °C with documented post-test limits for capacitance, tan δ and leakage, supporting predictable long-term behavior.
• Practical through‑hole format  Radial-lead can with 7.5 mm lead spacing and compact 1.6 cm × 2.5 cm footprint for easy board placement and replacement.
• Measurable electrical performance  Specified tan δ (0.12 at 50 V) and leakage current formula (0.03CV) enable designers to calculate expected behavior and margin in circuits.
• RoHS compliant  Meets current RoHS requirements for environmentally restricted substances.

Why Choose UES1H221MHM?

UES1H221MHM is positioned for designers who need a bi-polar aluminum electrolytic tailored for audio signal circuits, offering 220 µF at 50 V in a through-hole radial can that aligns with Nichicon's MUSE acoustic focus. Its documented electrical and endurance specifications provide measurable parameters for integration into audio equipment.

This part suits engineers and procurement teams building or servicing audio gear requiring reliable AC-capacitor behavior, predictable lifetime at elevated temperature, and RoHS compliance, backed by Nichicon's series-level design intent for audio applications.

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