UPW1A221MED

The UPW1A221MED is a miniature, radial-lead aluminum electrolytic capacitor from Nichicon’s UPW series, engineered for low impedance and high reliability in switching power supply applications. It provides 220 µF capacitance with a 10 V rating in a compact φ6.3 × 11 mm can.

Designed for use across a wide temperature range and with AEC-Q200 qualification, this polarized capacitor targets demanding power-filtering roles where stable ripple performance, compact size, and durability at elevated temperatures are required.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance rated at 10 V with a tolerance of −20% to +20% (measured at 120 Hz, 20°C).
• Low loss / low impedance — tanδ (loss tangent) of 0.19 measured at 20°C, 120 Hz for the 10 V rating, supporting efficient filtering in high-frequency switching environments.
• Ripple-handling capability — Rated ripple current of 188.5 mA at 120 Hz and 290 mA at 10 kHz, enabling effective smoothing of low- and high-frequency ripple in power rails.
• Leakage current — Typical leakage current specified at 66 µA after rated voltage application, suitable for power-supply decoupling where low standby leakage is important.
• Temperature and endurance — Operating temperature range from −55°C to +105°C with a lifetime rating of 2000 hours at 105°C.
• Compact radial package — φ6.3 × 11 mm can with 2.5 mm lead spacing (±0.5 mm tolerance) in a radial-lead, through-hole form factor for straightforward PCB placement.
• Polarized construction — Designed as a polarized electrolytic capacitor for DC power applications.
• Packaging options — Supplied in bulk (no terminal forming) or bag packing to accommodate different assembly workflows.
• Automotive-capable qualification — Rated to AEC-Q200, indicating suitability for applications requiring enhanced reliability.

Typical Applications

• Switching power supplies — Local bulk and output filtering for DC–DC converters and SMPS, where low impedance and ripple handling are needed.
• Low-voltage power rails — Decoupling and smoothing on 10 V and lower rails in embedded and industrial electronics.
• Automotive electronics — Power-filtering roles within automotive systems where AEC-Q200 qualification and wide temperature range are required.
• General through-hole power modules — Compact radial form factor suits retrofits or designs favoring through-hole components for durability and serviceability.

Unique Advantages

• Compact footprint with robust capacitance: 220 µF in a φ6.3 × 11 mm can saves board space while delivering substantial energy storage for low-voltage rails.
• Optimized for switching environments: Low tanδ and specified ripple currents at 120 Hz and 10 kHz improve filtering performance across common switching frequencies.
• Wide temperature endurance: −55°C to +105°C rating combined with a 2000-hour life at 105°C supports reliable operation in elevated-temperature applications.
• Automotive-grade reliability: AEC-Q200 rating provides an added level of qualification for demanding or safety-conscious designs.
• Through-hole ease-of-use: Radial leads with 2.5 mm spacing simplify placement and mechanical retention in board-level power modules.
• Low leakage for efficient standby: 66 µA leakage current helps minimize quiescent losses in power-sensitive applications.

Why Choose UPW1A221MED?

UPW1A221MED combines a compact, through-hole package with characteristics tuned for switching power applications: low loss (tanδ 0.19 at 120 Hz/20°C), measurable ripple-current ratings at both low and high frequencies, and a wide −55°C to +105°C operating range. The part’s AEC-Q200 rating and 2000-hour endurance at 105°C make it a strong candidate where reliability under thermal stress is required.

This capacitor is suited to engineers designing low-voltage DC power rails, SMPS output stages, and automotive power subsystems that require a reliable, space-efficient electrolytic solution with defined ripple and leakage characteristics.

If you would like pricing or availability for UPW1A221MED, request a quote or submit a quotation request through the manufacturer’s sales channels to receive detailed information and assistance.