UPM0J392MHD

The UPM0J392MHD is a radial-lead aluminum electrolytic capacitor from Nichicon’s UPM series, offering 3.9 mF (3900 µF) capacitance at a 6.3 V rating. Designed for low-impedance, long-life operation, this polarized radial can is specified for demanding environments with a temperature range of -55°C to 105°C and AEC-Q200 qualification.

Its combination of high ripple-current capability, low impedance and extended endurance makes it suitable for power decoupling, smoothing and energy hold‑up roles in automotive and other high-reliability systems.

Key Features

• Capacitance & Voltage — 3900 µF nominal capacitance at a 6.3 V rating with a capacitance tolerance of ±20% (120 Hz, 20°C).
• Low Impedance — Rated impedance of 31 mΩ, supporting improved transient response and reduced voltage ripple in power circuits.
• High Ripple Current — Low-frequency ripple current of 2.759 A at 120 Hz and high-frequency ripple current of 1.78 A at 200 kHz, enabling effective filtering under dynamic loads.
• Long Endurance — 5000 hours rated life at 105°C for durable, long-term operation under elevated temperature and bias conditions.
• Wide Operating Temperature — Specified operation from -55°C to 105°C for use across harsh thermal environments.
• Measured Dissipation & Leakage — Dissipation factor (tanδ) 0.26 (measured at 20°C, 120 Hz) and leakage current of 737.1 µA, supporting predictable performance characterization.
• Robust Packaging — Radial lead (can) package with φ12.5 × 30.5 mm body, 5.0 mm lead spacing and bulk/bag packing options for through‑hole assembly and manual or automated insertion.
• AEC‑Q200 Qualified & RoHS Compliant — AEC‑Q200 rating and RoHS compliance for use in regulated, high-reliability applications.

Typical Applications

• Automotive power electronics — Bulk smoothing and decoupling in automotive control units where AEC‑Q200 qualification and high ripple capability are required.
• Power supply filtering — Input/output smoothing and hold‑up in DC–DC converters and power modules that demand low impedance and high ripple handling.
• Energy hold‑up and decoupling — Short-duration energy storage and transient suppression in systems that require stable capacitance over temperature and time.

Unique Advantages

• High ripple tolerance: Specified LF and HF ripple currents (2.759 A @120 Hz; 1.78 A @200 kHz) reduce thermal stress and improve reliability under real-world dynamic loads.
• Low impedance performance: 31 mΩ impedance helps minimize voltage drop and improves transient response for power-sensitive circuits.
• Extended life at elevated temperature: 5000 hour endurance at 105°C supports long-term deployment in thermally harsh environments.
• AEC‑Q200 qualification: Enables use in automotive-grade designs that require recognized component-level reliability standards.
• Compact radial can format: φ12.5 × 30.5 mm body with 5 mm lead spacing offers high capacitance in a through‑hole package for retrofit and board-level power designs.
• Measured electrical characteristics: Published tanδ (0.26 at 20°C, 120 Hz) and measured leakage current (737.1 µA) allow precise design margining and validation.

Why Choose UPM0J392MHD?

UPM0J392MHD combines the UPM series’ low-impedance architecture with long-life, high-ripple capability and AEC‑Q200 qualification to deliver a reliable bulk-capacitance solution for demanding power systems. Its specified electrical and mechanical parameters make it straightforward to integrate into automotive power electronics and other control systems that require predictable behavior across temperature and time.

Engineers specifying this part benefit from clear, measurable performance—capacitance, impedance, ripple current, tanδ and leakage—backed by a 5000‑hour endurance rating at 105°C and RoHS compliance, supporting robust, maintainable designs.

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