UHE1A122MPD

The UHE1A122MPD is a radial-lead aluminum electrolytic capacitor offering 1200 µF capacitance at a 10 V rating. It combines compact dimensions (φ10 × 20 mm) and a low-impedance design intended for general-purpose power-smoothing and decoupling in space-constrained assemblies.

Designed for robust operation from −40 °C to 105 °C and specified for 6000 hours endurance at 105 °C, this Nichicon UHE-series part delivers measurable ripple-current handling and controlled dissipation factor for reliable long-term performance.

Key Features

• Capacitance & Voltage — 1.2 mF (1200 µF) nominal capacitance with a rated voltage of 10 V and tolerance of −20% to +20%.
• Low Impedance — Measured impedance of 180 mΩ to help minimize ripple voltage in power rail applications.
• Ripple Current Capability — Low-frequency ripple current of 1.12 A (120 Hz) and high-frequency ripple current of 1.4 A (10 kHz) for effective AC filtering across common switching and line frequencies.
• Dissipation Factor — tanδ = 0.19 measured at 20 °C, 120 Hz and 10 V, providing predictable loss characteristics for design analysis.
• Reliability / Endurance — Life rating of 6000 hours at 105 °C under rated conditions, meeting long-life requirements for sustained operation.
• Compact Radial Package — Radial can package with φ10 mm diameter and 20 mm length, lead spacing 5.0 mm (±0.5 mm), suited for through-hole mounting and manual or automated insertion.
• Leakage Current — Specified leakage current of 120 µA for predictable standby and bias current behavior.
• RoHS Compliant — Meets RoHS environmental requirements for lead-free assembly environments.
• Packaging Options — Available in bulk (no terminal forming) and bag packing to match assembly preferences.

Typical Applications

• Power Supply Smoothing — Bulk capacitance for post-regulator smoothing where 1200 µF and low impedance reduce output ripple and transient sag.
• DC–DC Converter Output — Handles ripple currents up to 1.4 A at higher frequencies, suitable for output filtering in compact converter designs.
• Embedded and Industrial Electronics — Operates across −40 °C to 105 °C and provides long 6000-hour endurance for extended-life equipment in industrial and embedded systems.
• Backup and Hold-Up Circuits — Useful where stored energy and controlled leakage are required to maintain short-term bias during interruptions.

Unique Advantages

• Reliable Long-Life Performance: 6000 hours at 105 °C provides defined endurance for designs that require sustained operation at elevated temperature.
• Measurable Low-Impedance Behavior: 180 mΩ impedance helps reduce ripple voltage and supports cleaner power rails in compact form factors.
• High Ripple Current Handling: Specified LF and HF ripple currents (1.12 A @ 120 Hz, 1.4 A @ 10 kHz) give designers quantifiable headroom for both mains-frequency and switching-frequency noise.
• Compact, Through-Hole Form: φ10 × 20 mm radial can and 5 mm lead spacing deliver a small footprint for space-limited PCB layouts while retaining robust leaded mounting.
• Predictable Loss and Leakage: Tanδ (0.19 at 20 °C, 120 Hz, 10 V) and 120 µA leakage current provide known electrical parameters for system-level power budgeting and thermal modeling.
• RoHS Compliance: Conforms to RoHS requirements for environmentally constrained assemblies and global manufacturing standards.

Why Choose UHE1A122MPD?

UHE1A122MPD is positioned for designs that require a balance of high capacitance, compact size, and defined reliability. With a 10 V rating, measurable impedance and dissipation factor, and ripple-current specifications across low and high frequencies, it fits power-filtering and energy-storage roles in embedded, industrial, and consumer electronics.

Manufactured by Nichicon and built to the UHE series long-life profile, this radial aluminum electrolytic capacitor provides predictable performance over time and temperature, making it suitable for engineers specifying durable, space-efficient bulk capacitance in through-hole assemblies.

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