UHE0J392MHD6

The UHE0J392MHD6 is a miniature, radial-lead aluminum electrolytic capacitor from Nichicon’s UHE series designed for general-purpose electronic applications. It combines high capacitance (3.9 mF) and low impedance in a compact φ18 × 15 mm can, targeting designs that require reliable bulk energy storage and smoothing under extended operating conditions.

Built for long life and stability, this polarized capacitor is rated for 6.3 V, operates from −40 °C to +105 °C, and is specified for 8,000 hours endurance at 105 °C, making it suitable where sustained ripple handling and long-term reliability are required.

Key Features

• Capacitance & Voltage: 3,900 µF (3.9 mF) nominal capacitance with a rated voltage of 6.3 V and tolerance of −20% to +20%.
• Low Impedance: Low nominal impedance of 110 mΩ to support stable decoupling and energy delivery in power rails.
• High Ripple Handling: Low-frequency ripple current 1.768 A at 120 Hz and high-frequency ripple current 2.21 A at 10 kHz, supporting both mains-frequency and higher-frequency switching environments.
• Leakage & Loss Angle: Specified leakage current of 245.7 µA and tan δ of 0.26 (measured at 20 °C, 120 Hz), enabling predictable performance in DC bias applications.
• Long Life / High Reliability: Endurance specified as 8,000 hours at 105 °C, aligned with UHE-series long-life characteristics for sustained operation.
• Temperature Range: Rated for operation from −40 °C to +105 °C to accommodate a wide range of environmental conditions.
• Radial Lead Package: Radial-lead can with 7.5 mm lead spacing (±0.5 mm tolerance) in a compact φ18 × 15 mm package; available in bulk or bag packing.
• Regulatory Compliance: RoHS compliant as identified in the product data.

Typical Applications

• General Purpose Power Supply Filtering: Provides bulk capacitance and smoothing for low-voltage rails in consumer and industrial electronics.
• Decoupling for Power Converters: Handles steady ripple currents and high-frequency ripple components in switch-mode power supplies and converters.
• Energy Storage for Hold-Up: Compact bulk storage where compact size and long endurance are needed to maintain system stability during transient events.

Unique Advantages

• High Capacitance in a Small Footprint: 3.9 mF in a φ18 × 15 mm can reduces board space while delivering significant energy storage.
• Designed for Continuous Operation: 8,000-hour endurance at 105 °C supports demanding duty cycles and long-term deployments.
• Predictable Ripple Performance: Specified LF and HF ripple current ratings (1.768 A @120 Hz, 2.21 A @10 kHz) allow designers to size capacitors against expected ripple loads confidently.
• Low Impedance and Controlled Losses: 110 mΩ nominal impedance and tan δ = 0.26 support stable, low-loss operation in power circuits.
• Practical Packaging Options: Available in bulk (no terminal forming) or bag packing to match assembly and stocking preferences.
• Wide Operating Temperature Range: −40 °C to +105 °C rating enables use across varied thermal environments without derating the core specification set.

Why Choose UHE0J392MHD6?

The UHE0J392MHD6 positions itself as a reliable, compact solution for designers needing high capacitance, low impedance, and steady ripple performance in a radial-lead package. Its 6.3 V rating, 3.9 mF capacitance, and 8,000-hour endurance at 105 °C make it well suited for applications that demand long-term stability and predictable electrical behavior.

Manufactured by Nichicon and built on the UHE series’ focus on miniature size and high reliability, this part fits designs where board space, ripple capacity, and long operating life are priorities. It is appropriate for engineers and procurement teams specifying general-purpose capacitors for power management and energy storage functions.

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