UBT1H221MPD

The UBT1H221MPD is a radial-leaded aluminum electrolytic capacitor from Nichicon's UBT series, rated at 220 µF and 50 V with polarization. It is engineered for high-temperature operation with an operating range of −40°C to +125°C and an endurance rating of 5000 hours at 125°C for the φ10 can size.

This component is targeted at applications that require robust power smoothing and high-temperature reliability, including automotive electronics. Key electrical characteristics include a tangent of loss angle (tan δ) of 0.1 (measured at 20°C, 120 Hz), specified ripple current ratings at low and high frequency, and RoHS compliance. Status: End Of Life.

Key Features

• Capacitance and Tolerance — 220 µF nominal capacitance with a tolerance of −20% to +20% at 120 Hz, 20°C.
• Rated Voltage — 50 V DC rating suitable for mid-voltage power rails.
• High‑temperature endurance — Designed for operation from −40°C to +125°C with a rated life of 5000 hours at 125°C for the φ10 can size.
• Loss and leakage — tan δ = 0.1 (20°C, 120 Hz) and specified leakage current of 330 µA.
• Ripple current capability — Low-frequency ripple current 623.1 mA (120 Hz) and high-frequency ripple current 930 mA (100 kHz), enabling effective smoothing across frequency ranges.
• Package and mounting — Radial lead, can-style package (φ10 × 20 mm) with 5 mm lead spacing (±0.5 mm) for through-hole mounting and straightforward PCB placement.
• Automotive-grade qualification — AEC‑Q200 qualified and noted as suited for automobile electronics in the UBT series documentation.
• Environmental compliance — RoHS compliant as specified in product documentation.

Typical Applications

• Automotive electronics — Specified for automobile electronics where high-temperature endurance and AEC‑Q200 qualification are required.
• Power supply filtering — Bulk and high-frequency ripple smoothing on 50 V rails using defined ripple current ratings for reliable decoupling.
• High-temperature systems — Use in electronic assemblies operating up to 125°C with a 5000-hour rated lifetime at that temperature for the φ10 can.

Unique Advantages

• High-temperature reliability: Endurance specified at 5000 hours at +125°C for the φ10 size, supporting long-term performance in elevated-temperature environments.
• Dual-frequency ripple specification: Separate ripple current ratings for 120 Hz (623.1 mA) and 100 kHz (930 mA) help designers assess performance across application bandwidths.
• Clear electrical loss characteristics: tan δ of 0.1 at 20°C, 120 Hz provides a defined measure for AC loss and thermal budgeting.
• Automotive-grade assurance: AEC‑Q200 qualification and series-level guidance for automobile electronics aid in selection for vehicle systems.
• Compact through-hole form factor: φ10 × 20 mm can with 5 mm lead spacing simplifies retrofits and through-hole PCB layouts.
• Regulatory compliance: RoHS compliant for use in regulated product designs.

Why Choose UBT1H221MPD?

The UBT1H221MPD delivers a combination of 220 µF capacitance, 50 V rating, and high-temperature endurance designed for demanding power-decoupling tasks. With defined loss, leakage, and ripple current specifications, it provides engineers with verifiable parameters for thermal and lifetime planning in high-temperature or automotive environments.

This part is suited to designs that require a compact radial electrolytic capacitor with clear performance data at elevated temperatures—especially where AEC‑Q200 qualification and RoHS compliance are important considerations. The UBT series documentation and Nichicon’s datasheet detail the endurance and electrical characteristics needed for reliable long-term operation.

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