UFW1A332MHD

The UFW1A332MHD is a miniature aluminum electrolytic capacitor from Nichicon's UFW series, specified for audio equipment applications. It is a polarized, radial-lead, can-style capacitor that delivers bulk capacitance in a compact footprint.

Engineered for audio designs, the UFW1A332MHD combines 3.3 mF capacitance with rated voltage of 10 V and defined ripple-current capability, offering endurance and operational stability across typical audio equipment temperature ranges.

Key Features

• Capacitance and Voltage — 3.3 mF capacitance with a rated voltage of 10 V, suitable for bulk energy storage in low-voltage audio circuits.
• Tolerance and Polarization — Capacitance tolerance ±20% and polarized construction for correct orientation in DC circuits.
• Mounting and Package — Radial lead mounting in a radial can package with 5 mm lead spacing for through-hole PCB assembly.
• Mechanical Size — Compact dimensions (L: 2 cm × D: 1.25 cm) for space-constrained audio modules.
• Operating Temperature — Rated for operation from −40°C to +85°C, matching common audio equipment environments.
• Endurance — 2000 hours at 85°C under rated voltage, per UFW series endurance specification.
• Ripple Current Performance — Rated ripple current of 1.42 A at 120 Hz and 1.633 A at 10 kHz to support filtering and power decoupling in audio circuits.
• Leakage Current Specification — Leakage current defined per series specification: after 1 minute at rated voltage and 20°C, not more than 0.03 CV (μA); after 2 minutes, not more than 0.01 CV (μA).
• Frequency Coefficient Reference — For capacitances in the 1000–10000 μF range (UFW series), frequency coefficients include 1.00 at 120 Hz and 1.15 at 10 kHz or more, applicable to ripple-current scaling.

Typical Applications

• Audio Equipment — Designed for use in audio equipment as a radial, polarized aluminum electrolytic capacitor within the UFW series.
• Audio Modules and Amplifiers — Suited for compact audio modules that require miniature radial-can capacitors with defined ripple-current handling.
• Consumer and Professional Audio Electronics — Applicable where a 3.3 mF, 10 V electrolytic capacitor is specified for audio-focused power and signal circuits.

Unique Advantages

• Compact, board-friendly footprint — L: 2 cm × D: 1.25 cm with 5 mm lead spacing fits tight PCB layouts while using standard radial through-hole assembly.
• Defined ripple-current capability — Explicit ripple ratings at 120 Hz and 10 kHz provide measurable handling for filtering and decoupling in audio power stages.
• Endurance in elevated temperature — 2000 hours at 85°C under rated voltage gives designers a clear reliability baseline for thermal-stressed audio applications.
• Wide operating temperature range — −40°C to +85°C supports operation across common consumer and professional audio environments.
• Clear leakage-current specification — Leakage current limits are provided per UFW series test conditions, aiding design verification and QA.

Why Choose UFW1A332MHD?

UFW1A332MHD positions itself as a compact, specification-driven choice for audio equipment designers who need a polarized aluminum electrolytic capacitor with measurable ripple-current performance and defined endurance at elevated temperature. Its radial-can package and 5 mm lead spacing make it practical for through-hole assembly in compact audio modules.

This part is appropriate for engineers specifying 3.3 mF capacitance at 10 V where clear electrical and endurance parameters (including ripple current, leakage current limits, and a −40°C to +85°C operating range) are required to validate performance and reliability over product life.

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