UBT1H331MHD

The UBT1H331MHD is a radial-lead aluminum electrolytic capacitor offering 330 µF capacitance at a 50 V rating. Designed for high-temperature operation, it supports an operating range from −40 °C to +125 °C and delivers long endurance under thermal stress.

Targeted at automotive and heavy-duty electronics markets, this AEC‑Q200–rated, RoHS‑compliant component provides measured loss, controlled leakage, and specified ripple current performance for demanding power applications.

Key Features

• Capacitance & Voltage 330 µF nominal capacitance with a 50 V rated voltage and ±20% tolerance at 120 Hz, 20 °C.
• High‑Temperature Endurance Rated for endurance testing up to 10,000 hours at +125 °C (per series endurance specification for φ≥12.5 and ≤50 V).
• Frequency & Loss Characteristics Tangent of loss angle (tan δ) specified at 0.10 (max.) for 50 V at 120 Hz, 20 °C, supporting stable performance across frequency ranges.
• Ripple Current Capability Specified low‑frequency ripple current of 891.1 mA at 120 Hz and high‑frequency ripple current of 1.33 A at 100 kHz to handle dynamic power demands.
• Leakage Current Typical leakage current specified at 495 µA after voltage application, consistent with the part’s capacitance and rated voltage.
• Mechanical & Packaging Compact radial can: φ12.5 × 20L with 5 mm lead spacing (±0.5 mm). Available in bulk (no terminal forming) and bag packing.
• Standards & Compliance AEC‑Q200 qualified and RoHS compliant, meeting requirements for regulated applications.

Typical Applications

• Automotive Electronics — Suited for automobile electronics and heavy‑duty onboard systems that require high‑temperature endurance and AEC‑Q200 qualification.
• High‑Temperature Power Modules — Used where components must sustain prolonged operation at elevated temperatures up to +125 °C.
• Systems Requiring Controlled Loss and Leakage — Appropriate where specified tan δ and defined leakage current are required for predictable power behavior.

Unique Advantages

• Long Thermal Endurance: 10,000‑hour endurance at +125 °C (for φ≥12.5, ≤50 V) supports designs that must withstand sustained high temperatures.
• AEC‑Q200 Qualification: Explicit qualification for automotive applications provides design assurance for vehicle electronics and other regulated environments.
• Defined Frequency Performance: tan δ specified at 0.10 (120 Hz, 20 °C) and measured ripple current ratings allow predictable behavior across low and high frequencies.
• Compact Radial Can: φ12.5 × 20L package with 5 mm lead spacing simplifies integration into radial‑lead layouts and prototypes.
• Regulatory Compliance: RoHS compliance supports inclusion in assemblies subject to environmental regulations.

Why Choose UBT1H331MHD?

UBT1H331MHD combines a robust aluminum electrolytic construction with explicit high‑temperature endurance and AEC‑Q200 qualification, delivering a reliable energy‑storage solution for demanding automotive and high‑temperature electronic designs. Its specified ripple current ratings, controlled tan δ, and defined leakage current enable predictable performance in power management and filtering roles where thermal and electrical stability matter.

This part is appropriate for engineers and procurement teams designing for regulated automotive environments or any application requiring long life at elevated temperatures, compact radial packaging, and verifiable electrical characteristics backed by datasheet specifications.

Request a quote or contact sales to discuss availability, volume pricing, and technical details for UBT1H331MHD.