UCS2E101MND9

The UCS2E101MND9 is a 100 µF, 250 V aluminum electrolytic capacitor in a radial‑lead can, designed for miniature, high‑ripple, long‑life applications. It is part of Nichicon’s UCS series and is optimized for power supply and ballast applications where sustained ripple handling and high operating temperature endurance are required.

With a rated operating range from −40 °C to +105 °C and RoHS compliance, this polarized capacitor delivers stable performance in general‑purpose power electronics requiring extended service life at elevated temperatures.

Key Features

• Capacitance & Voltage: 100 µF nominal capacitance with a 250 V rated voltage and ±20% tolerance for bulk energy storage and filtering.
• High ripple current capability: Rated ripple current of 680 mA at 120 Hz and 1.36 A at 100 kHz, enabling effective handling of AC superimposed on DC in power circuits.
• Long life at high temperature: Designed for 10,000 hours at +105 °C under rated conditions to support extended maintenance intervals in demanding environments.
• Wide operating temperature: Specified for −40 °C to +105 °C to cover a broad range of industrial operating conditions.
• Package & mounting: Radial lead, can‑type package with 5 mm lead spacing suitable for through‑hole PCB mounting and robust mechanical retention.
• Polarized construction: Polarized aluminum electrolytic design for general‑purpose DC applications.
• Series characteristics: Part of the UCS series which documents impedance and ripple frequency coefficients (e.g., 0.50 at 120 Hz, 1.00 at ≥100 kHz) for design reference.
• Environmental compliance: RoHS compliant in accordance with 2011/65/EU and (EU)2015/863 requirements.

Typical Applications

• Power supplies: Bulk smoothing and output filtering where high ripple handling and long life at elevated temperatures are needed.
• Ballasts and lighting drivers: Supports AC superimposed on DC environments typical in ballast circuits with sustained ripple currents.
• General-purpose industrial electronics: Use in control and power modules that require robust, polarized capacitance in a compact radial package.

Unique Advantages

• High ripple endurance: Rated ripple currents at both low and high frequencies (680 mA at 120 Hz; 1.36 A at 100 kHz) reduce thermal stress and improve reliability in ripple‑rich circuits.
• Extended high‑temperature life: 10,000‑hour endurance at +105 °C supports longer service intervals and predictable aging in hot operating environments.
• Compact radial can form factor: Small footprint and 5 mm lead spacing enable straightforward through‑hole mounting while conserving PCB area.
• Broad operating range: −40 °C to +105 °C rating accommodates a wide set of industrial ambient conditions.
• Regulatory compliance: RoHS conformity simplifies integration into products targeting restricted‑substance compliance.

Why Choose UCS2E101MND9?

UCS2E101MND9 provides a practical balance of capacitance, high voltage rating, and ripple endurance in a miniature radial can, tailored for designers of power supplies, ballasts, and industrial electronics. Its long life at +105 °C and documented frequency ripple coefficients help engineers design for thermal and ripple margins with confidence.

As part of Nichicon’s UCS series, this capacitor is suitable for customers seeking a reliable, RoHS‑compliant polarized aluminum electrolytic solution for demanding, long‑duration applications where sustained ripple handling and temperature endurance matter.

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