UPW2D221MRD6

The UPW2D221MRD6 is a radial-lead aluminum electrolytic capacitor in Nichicon's UPW series, engineered for miniature-sized, low-impedance power applications. It delivers 220 µF capacitance at a 200 V rating with a compact φ20 × 35 mm can and 10 mm lead spacing for through-hole mounting.

This part targets demanding power electronics such as switching power supplies and automotive power systems, offering high ripple-current capability, long endurance at elevated temperature, and AEC-Q200 qualification. Status: End Of Life.

Key Features

• Capacitance & Voltage — 220 µF nominal capacitance with a 200 V rated voltage and ±20% tolerance, suitable for higher-voltage DC filtering and energy storage.
• Low Impedance Design — UPW series designation and series datasheet designation emphasize miniature size with low impedance tailored for switching power supplies.
• Ripple Current Performance — Designed to handle 515 mA at 120 Hz (low frequency) and 824 mA at 10 kHz (high frequency), enabling effective smoothing under dynamic load conditions.
• Endurance & Temperature — Rated life of 8000 hours at 105°C with an operating temperature range of −40°C to +105°C for sustained high-temperature operation.
• Automotive Qualification — AEC-Q200 rating suitable for automotive-grade applications and environments requiring higher reliability.
• Mechanical & Mounting — Radial lead, can-style package with dimensions φ20 × 35 mm and 10 mm lead spacing (±0.5 mm tolerance) for straightforward through-hole assembly.
• Leakage & Dissipation — Leakage current specified at 1860 µA and dissipation factor (tan δ) of 0.15 measured at 20°C, 120 Hz and 200 V for predictable electrical behavior.

Typical Applications

• Switching Power Supplies — Bulk and output filtering where low impedance and high ripple capability improve regulation and transient response.
• Automotive Power Electronics — Energy storage and smoothing in automotive power systems leveraging the AEC-Q200 qualification and broad temperature rating.
• DC-DC Converters and Power Rails — Input/output decoupling and bulk capacitance for converters requiring sustained ripple handling and long life at elevated temperature.

Unique Advantages

• High-Voltage Capability: 200 V rating enables use in higher-voltage DC systems without series stacking.
• Robust Ripple Handling: Specified ripple currents at both 120 Hz and 10 kHz support performance across low and high switching frequencies.
• Long Endurance at Elevated Temperature: 8000 hours at 105°C provides predictable lifetime for continuous high-temperature operation.
• Automotive-Grade Qualification: AEC-Q200 rating aligns the part with applications that demand automotive-level reliability.
• Compact Radial Package: φ20 × 35 mm can with radial leads simplifies through-hole assembly while retaining substantial capacitance and voltage capability.

Why Choose UPW2D221MRD6?

UPW2D221MRD6 combines a high-voltage 200 V rating with 220 µF capacitance, low impedance characteristics, and AEC-Q200 qualification to meet the demands of power-dense designs. Its specified ripple current performance and long 8000-hour endurance at 105°C make it a strong choice for engineers designing switching power supplies, DC-DC converters, and automotive power electronics that require sustained thermal and electrical reliability.

The radial-lead can package (φ20 × 35 mm, 10 mm lead spacing) provides a compact, easy-to-mount solution for through-hole assemblies while delivering measurable leakage and dissipation factor characteristics for predictable system behavior over life.

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