UBT1K331MHD8

The UBT1K331MHD8 is an aluminum electrolytic capacitor in a radial lead can, offering 330 µF capacitance at a rated voltage of 80 V. It is part of Nichicon’s UBT series engineered for high-temperature operation and extended endurance.

Designed for demanding environments, the device delivers operation from −40°C to +125°C, AEC‑Q200 rating, 5000 hours life at 125°C, and defined ripple current and leakage characteristics—making it well suited where stable power filtering and long-term reliability are required.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with ±20% tolerance at 120 Hz and a rated voltage of 80 V, providing predictable energy storage and filtering behavior.
• High-Temperature Endurance — Rated for operation from −40°C to +125°C with a specified lifetime of 5000 hours at 125°C for this package diameter, supporting sustained high-temperature use.
• Ripple Current Performance — Low-frequency ripple current of 931.3 mA (120 Hz) and high-frequency ripple current of 1.39 A (100 kHz) to support AC superposition in power circuits.
• Low Impedance & Leakage — Impedance of 160 mΩ and measured leakage current of 792 µA, enabling efficient smoothing and predictable leakage behavior in designs.
• Package & Mechanical — Radial lead (can) package with dimensions φ12.5 × 30.5 mm L, lead spacing 5.0 mm (±0.5 mm); available in bulk/bag packing for production use.
• Qualification & Compliance — AEC‑Q200 rating for qualification stringency and RoHS compliance as provided in the product data.

Typical Applications

• Automotive electronics — Suited for automobile electronics where heavy-duty, high-temperature service is required, supported by AEC‑Q200 qualification and 125°C endurance.
• High-temperature power circuits — For power subsystems that require stable capacitance and sustained ripple handling at elevated temperatures up to +125°C.
• Power supply smoothing and filtering — Delivers 330 µF with low impedance and defined leakage current for predictable smoothing and decoupling performance in power rails.

Unique Advantages

• High-temperature capability: Rated to +125°C with 5000 hours life at that temperature, enabling sustained operation in thermally demanding environments.
• AEC‑Q200 qualified: Meets series qualification that supports use in automotive electronics where qualification is required.
• Defined ripple handling: Specified ripple current values at both low and high frequencies help designers size capacitors for real-world AC stress conditions.
• Compact radial form factor: φ12.5 × 30.5 mm can with radial leads and 5 mm lead spacing provides a space-efficient solution for through-hole assemblies.
• Predictable electrical behavior: Low impedance (160 mΩ) and a stated leakage current (792 µA) allow for reliable circuit-level performance estimates.
• Production-ready packaging: Available in bulk/bag packing and listed as mass production status for ease of procurement and assembly planning.

Why Choose UBT1K331MHD8?

UBT1K331MHD8 combines high-capacitance energy storage with the thermal endurance and qualification required for demanding applications. With AEC‑Q200 rating, defined ripple and leakage specifications, and a proven 5000-hour life at 125°C, it is positioned for designs that require predictable long-term performance under thermal and electrical stress.

This capacitor is appropriate for engineers specifying components for automotive-grade power subsystems and other high-temperature applications where lifecycle stability, controlled impedance, and production-ready packaging are important considerations.

If you would like pricing, availability, or a formal quote for UBT1K331MHD8, please request a quote or submit an inquiry to the sales team for assistance with lead times and ordering details.