UHD1H121MPD

The UHD1H121MPD is a radial-lead aluminum electrolytic capacitor offering 120 µF capacitance at a 50 V rating. Part of Nichicon’s UHD series, it is designed for compact, general-purpose power applications where low impedance at higher frequencies and robust ripple-handling are required.

With a small φ8×15 mm can, a wide operating range of −40°C to 105°C and a rated endurance of 3000 hours at 105°C, this capacitor suits designs that require compact bulk capacitance, measurable ripple-current capability, and RoHS-compliant materials.

Key Features

• Capacitance & Voltage — 120 µF nominal capacitance with a rated voltage of 50 V and tolerance ±20% (at 120 Hz, 20°C).
• Low Loss — tanδ (DF) of 0.10 measured at 20°C, 120 Hz, supporting predictable AC behavior in filter and decoupling networks.
• High Ripple Current Capability — Low-frequency ripple current of 665 mA at 120 Hz and high-frequency ripple current of 950 mA at 100 kHz for demanding power-conditioning tasks.
• Leakage Current — Specified leakage current of 60 µA, measured after rated voltage application, enabling stable bias behavior.
• Temperature & Endurance — Rated for −40°C to 105°C and specified to meet endurance for 3000 hours at 105°C under DC bias plus rated ripple current.
• Compact Radial Package — φ8×15 mm can (lead spacing 3.5 mm, lead spacing tolerance ±0.5 mm) for through-hole mounting and tight board placement.
• RoHS Compliant & Production Ready — Manufactured in mass production and compliant with RoHS directive.

Typical Applications

• Power Supply Filtering — Provides bulk capacitance and ripple smoothing in DC power rails where 50 V rating and specified ripple currents are needed.
• Switching Regulator Output — Compact radial package and low loss (tanδ 0.10) make it suitable for output filtering in board-level switch-mode power supplies.
• General-Purpose Electronics — Fits a wide range of consumer and industrial circuits that require stable capacitance, controlled leakage, and reliable operation across −40°C to 105°C.

Unique Advantages

• Measured High-Frequency Performance — Designed within the UHD series for lower impedance at high frequency, enabling improved decoupling and ripple attenuation where higher-frequency content is present.
• Compact Footprint — φ8×15 mm can and 3.5 mm lead spacing allow dense board layouts and space-constrained designs while maintaining 120 µF of capacitance.
• Verified Ripple Handling — Specified ripple currents at both 120 Hz and 100 kHz let designers quantify thermal and life impacts under realistic operating waveforms.
• Durability at Elevated Temperature — 3000-hour endurance at 105°C provides a predictable lifetime metric for thermal-stressed applications.
• Control of Loss and Leakage — Low tanδ and defined leakage current support predictable AC and DC behavior in precision power circuits.
• RoHS Compliance — Material compliance for regulatory requirements in modern electronics production.

Why Choose UHD1H121MPD?

The UHD1H121MPD balances compact size with measurable ripple performance and stability across a broad temperature range, making it suitable for engineers specifying radial aluminum electrolytic capacitors for board-level power filtering and general-purpose designs. Its documented tanδ, leakage, and ripple-current values let designers assess performance under both low- and high-frequency conditions.

As a mass-production Nichicon UHD-series part, it offers predictable endurance (3000 hours at 105°C) and RoHS-compliant construction, supporting long-term design planning and compliance needs.

For pricing, availability, or to request a quote for UHD1H121MPD, please submit your inquiry and our team will respond with current lead times and ordering options.