UBT1K221MHD

The UBT1K221MHD is a radial‑lead aluminum electrolytic capacitor offering 220 µF capacitance at a rated voltage of 80 V. Engineered for high‑temperature operation, it supports continuous service to +125°C and delivers long endurance under load.

Targeted at demanding electronics—including automotive and other high‑temperature applications—this part combines dependable lifetime performance, robust ripple handling, and a compact radial can package (φ12.5 × 25 mm) for power modules and harsh environments.

Key Features

• Capacitance & tolerance: 220 µF nominal capacitance with tolerance −20% to 20% (measured at 120 Hz, 20°C).
• Rated voltage: 80 V DC rating suitable for higher‑voltage power rails.
• High temperature operation: Specified operating range −40°C to +125°C and designed for +125°C use.
• Endurance at elevated temperature: Rated life 5000 hours at 125°C under specified load conditions.
• Ripple current capability: Low‑frequency ripple current 830.8 mA (120 Hz) and high‑frequency ripple current 1.24 A (100 kHz) for effective smoothing in power applications.
• Low dissipation factor: tanδ = 0.08 (measured at 20°C, 120 Hz) for efficient AC performance.
• Leakage current: Specified leakage current of 528 µA.
• Package and mounting: Radial lead, can package with φ12.5 mm diameter, 25 mm length, and 5 mm lead spacing (±0.5 mm).
• AEC‑Q200 qualification & RoHS compliant: Designed to meet automotive reliability requirements and RoHS directive compliance.

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 systems: Use in power assemblies operating up to +125°C with long load life (5000 hours at 125°C) for sustained reliability.
• Radial‑lead power modules: Compact radial can (φ12.5 × 25 mm) with 5 mm lead spacing and strong ripple handling for power supply smoothing and bulk decoupling.

Unique Advantages

• High‑temperature endurance: 5000 hours rated life at +125°C supports designs that must withstand prolonged elevated temperatures.
• Automotive‑grade reliability: AEC‑Q200 qualification targets systems requiring validated automotive performance.
• Robust ripple performance: Significant ripple current ratings at both low and high frequencies reduce voltage ripple and thermal stress in power applications.
• Compact radial can footprint: φ12.5 × 25 mm package and 5 mm lead spacing enable dense placement in module and board layouts.
• Controlled electrical characteristics: Low tanδ (0.08 at 120 Hz, 20°C) and specified leakage current support predictable AC and DC behavior in designs.
• Standards compliance: RoHS compliance for regulatory compatibility in commercial and automotive programs.

Why Choose UBT1K221MHD?

UBT1K221MHD positions itself as a dependable choice when high temperature, long endurance, and reliable ripple handling are required. Its 80 V rating, 220 µF capacitance and compact radial can make it suitable for applications needing higher voltage buffering and bulk decoupling while enduring +125°C service conditions.

This capacitor is well suited for engineers specifying components for automotive and other heavy‑duty, high‑temperature systems where AEC‑Q200 qualification, predictable electrical parameters, and extended lifetime are key considerations. The combination of temperature rating, ripple capability and a compact package helps simplify thermal and mechanical integration while supporting long‑term system robustness.

Request a quote or contact sales to discuss pricing, availability, and technical fit for your design needs. Technical datasheet details and ordering information are available upon request.