UBT1A332MHD

The UBT1A332MHD is a radial-lead aluminum electrolytic capacitor from Nichicon’s UBT series, offering 3300 µF capacitance in a compact φ16 × 25 mm can. Designed for high-temperature endurance and long life, it targets demanding electronics where sustained performance at elevated temperatures is required.

Key value propositions include a wide operating temperature range (−40°C to +125°C), AEC‑Q200 qualification for automotive use, and robust ripple-current capability across low and high frequencies—making it suitable for power-dense, high-reliability applications.

Key Features

• Capacitance & Tolerance — 3300 µF nominal capacitance with tolerance of −20% to +20% (measured at 20°C, 120 Hz).
• Voltage & Polarization — Rated for 10 V DC and polarized for correct orientation in DC circuits.
• Temperature Range & Endurance — Operating range −40°C to +125°C with a rated life of up to 10,000 hours at 125°C under specified conditions.
• Ripple Current Performance — Low-frequency ripple current of 1.541 A (120 Hz) and high-frequency ripple current of 2.3 A (100 kHz) to support demanding power applications.
• Loss Characteristics — Tangent of loss angle (tanδ) specified as 0.24 at 20°C / 120 Hz / 10 V for this part.
• Leakage Current — Specified leakage current of 990 µA (after standard voltage application at 20°C).
• Package & Mounting — Radial-lead, can-style package with 7.5 mm lead spacing; offered Bulk (No Terminal Forming) / Bag Packing.
• Compliance — RoHS compliant and AEC‑Q200 rated for automotive-grade applications.

Typical Applications

• Automotive electronics — Designed for automotive systems requiring a polarized bulk capacitor with high-temperature endurance and AEC‑Q200 qualification.
• High-temperature power circuits — Suited where sustained operation up to +125°C and long life (10,000 h at 125°C) are required.
• Power supply smoothing and ripple handling — Large capacitance and defined ripple current ratings support smoothing and decoupling in power-dense modules.

Unique Advantages

• Long high-temperature life: Rated endurance up to 10,000 hours at +125°C provides predictable service life in thermally stressed designs.
• High ripple-current capability: Specified ripple ratings at both low and high frequencies (1.541 A @120 Hz, 2.3 A @100 kHz) support heavy AC loading and switching environments.
• Large capacitance in compact can: 3300 µF in a φ16 × 25 mm package delivers substantial bulk energy storage while minimizing board footprint.
• Automotive-grade qualification: AEC‑Q200 rating aligns the part with automotive development and reliability requirements.
• Measured loss and leakage specs: Provided tanδ (0.24) and leakage current (990 µA) values enable straightforward thermal and reliability modeling.
• RoHS compliance: Conforms to RoHS directive for environmentally regulated designs.

Why Choose UBT1A332MHD?

UBT1A332MHD combines high bulk capacitance with defined high-temperature endurance and ripple capability in a compact radial-lead can. Its AEC‑Q200 rating and RoHS compliance make it a practical choice for engineers developing robust electronics for thermally demanding and automotive-related applications.

This part is well suited to designs that require predictable long-term performance at elevated temperatures, clear loss and leakage specifications for system modeling, and the form factor of a radial-lead aluminum electrolytic capacitor.

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