UUE1H221MNS1MS

The UUE1H221MNS1MS is a Nichicon UUE series chip-type aluminum electrolytic capacitor designed for demanding, high-temperature environments. It is a polarized, surface-mount can package prepared for vibration resistance and long-term operation in heavy-duty electronic systems.

Key use cases include automotive electronics and other applications that require sustained performance at elevated temperatures—this part offers a 220 µF capacitance at 50 V, an operating temperature range of –55 °C to 125 °C, and a rated load life of 5000 hours at 125 °C. The device is AEC-Q200 qualified and RoHS compliant.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance with a 50 V rated voltage and ±20% tolerance, suitable for energy storage and decoupling in power electronics.
• High‑Temperature Endurance — Load life specified as 5000 hours at 125 °C, providing verifiable longevity in elevated-temperature environments.
• Wide Temperature Range — Operates from –55 °C to 125 °C to support designs exposed to extreme ambient conditions.
• Ripple Current Capability — Rated ripple currents of 569.5 mA at 120 Hz and 850 mA at 10 kHz, enabling effective smoothing and decoupling under AC loading.
• Package & Mounting — Chip-type surface-mount radial can (SMD) with part dimensions L: 1.65 × D: 1.6 cm and recommended land size 1.63 × 1.63 cm for PCB implementation.
• Reliability & Compliance — AEC‑Q200 qualification and RoHS compliance for regulated production environments.
• Polarized Design — Standard polarized aluminum electrolytic construction for bulk capacitance and compact energy density.

Typical Applications

• Automotive Electronics — Bulk decoupling and power filtering in control modules where AEC‑Q200 qualification and 125 °C endurance are required.
• Power Supply Modules — Output smoothing and transient support in compact, high-temperature power converters and DC–DC modules.
• Vibration-Prone Systems — Chip-type vibration-resistant can for use in electronics subject to mechanical stress and shock.

Unique Advantages

• Proven High‑Temperature Life: 5000 hours at 125 °C gives clear, specification-backed endurance for thermal stress environments.
• Automotive-Grade Qualification: AEC‑Q200 qualification supports deployment in automotive-grade electronic assemblies.
• Compact SMD Can: Chip-type surface-mount package reduces board footprint while providing robust aluminum electrolytic bulk capacitance.
• Strong Ripple Performance: Defined ripple current ratings at both low and high frequencies help maintain stable operation across common switching and filtering conditions.
• Wide Operating Range: –55 °C to 125 °C operation accommodates designs that span cold-start to high-load thermal scenarios.
• Regulatory Compliance: RoHS compliance simplifies integration into regulated manufacturing flows.

Why Choose UUE1H221MNS1MS?

The UUE1H221MNS1MS delivers a balance of compact SMD packaging, high capacitance, and proven high-temperature endurance—making it suitable for engineers designing robust electronic systems that must operate reliably under thermal and mechanical stress. Its AEC‑Q200 qualification and specified ripple current values provide a clear, verifiable basis for selection in automotive and other demanding applications.

This part is well suited to designs that prioritize long-term thermal reliability, space-efficient board layout, and regulatory compliance, providing a durable capacitor option from the Nichicon UUE family.

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