UHV1A392MHD

The UHV1A392MHD is a radial-lead aluminum electrolytic capacitor from Nichicon’s UHV series, designed for general-purpose electronic designs that require high bulk capacitance and robust ripple handling. This 3.9 mF, 10 V polarized capacitor combines low impedance and high ripple current capability in a compact φ12.5 × 25 mm can.

Engineered for applications operating across a wide temperature range, the part delivers long endurance (6000 hours at 105°C) and measurable low-frequency and high-frequency ripple performance for reliable DC smoothing and energy buffering in general-purpose circuits.

Key Features

• Capacitance and Tolerance — 3.9 mF (3900 µF) nominal with tolerance −20% to +20% for predictable bulk energy storage.
• Rated Voltage — 10 V rated voltage suitable for low-voltage power rails and DC bus applications.
• Low Impedance — Rated impedance 36 mΩ, supporting lower voltage ripple under load and improved high-frequency performance.
• High Ripple Current — Low-frequency ripple current 2.3925 A (120 Hz) and high-frequency ripple current 3.19 A (100 kHz), enabling effective decoupling across frequency ranges.
• Loss Angle (tan δ) — tanδ = 0.22 measured at 20°C, 120 Hz, providing a quantified dissipation characteristic for thermal and AC-loss budgeting.
• Leakage Current — Specified leakage current 390 µA, useful for standby current and bias calculations.
• Temperature and Endurance — Operating range −40°C to +105°C with endurance rated at 6000 hours at 105°C under rated conditions.
• Mechanical Package — Compact radial can, φ12.5 × 25 mm, lead spacing 5.0 mm (±0.5 mm), radial lead mounting for through-hole assemblies.
• Packaging & Production — Available in bulk (no terminal forming) / bag packing and currently in mass production.
• RoHS Compliant — Meets RoHS directive requirements as stated for the UHV series.

Typical Applications

• General-Purpose Power Circuits — Provides bulk decoupling and smoothing on low-voltage power rails where high capacitance and ripple handling are required.
• High-Ripple Environments — Suited for circuits that experience both low- and high-frequency ripple thanks to rated ripple currents at 120 Hz and 100 kHz.
• Industrial Electronics — Fits general-purpose industrial designs needing stable capacitance and long endurance at elevated temperatures.

Unique Advantages

• High Bulk Capacitance in a Small Can — 3900 µF in a φ12.5 × 25 mm package to save board area while providing substantial energy storage.
• Low Impedance for Reduced Ripple — 36 mΩ impedance helps reduce AC voltage drop across the capacitor under load, improving power integrity.
• Broad Frequency Ripple Handling — Specified ripple currents at both 120 Hz and 100 kHz enable effective filtering across common power and switching frequencies.
• Long Endurance at Elevated Temperature — 6000 hours rated life at 105°C supports designs that require long-term reliability under thermal stress.
• Radial-Lead Through-Hole Convenience — Standard radial lead spacing and form factor simplify PCB layout and assembly for through-hole applications.
• Regulatory Compliance — RoHS compliance supports use in restricted-substance environments.

Why Choose UHV1A392MHD?

UHV1A392MHD positions itself as a practical solution for designers needing substantial bulk capacitance, reliable ripple performance, and long-term endurance in a compact radial package. Its low impedance, quantified loss characteristics, and measurable leakage current make it straightforward to evaluate and integrate into power rail and general-purpose circuits.

This part is suited to engineers and procurement teams specifying components for general-purpose electronics and industrial designs that demand consistent thermal performance and mass-production availability from a recognized manufacturer, Nichicon.

Request a quote or submit your component requirements to receive pricing and availability information for the UHV1A392MHD.