UAS2D151MHD

The UAS2D151MHD is a radial-lead aluminum electrolytic capacitor from Nichicon's UAS series, offering 150 µF capacitance at a 200 V rating in a compact φ16 × 25 mm can. It is a miniature, wide-temperature-range component designed for general-purpose power filtering and smoothing in electronic equipment.

Key properties include a wide operating temperature range of −40 °C to 105 °C, endurance of 2000 hours at 105 °C, high ripple-current capability, a pressure-relief safety feature for abnormal voltage, and RoHS compliance. Status: Mass Production.

Key Features

• Electrical Performance — 150 µF nominal capacitance with tolerance −20% to +20% and a rated voltage of 200 V; tan δ (loss) max 0.15 measured at 20 °C, 120 Hz.
• Ripple Current Capability — Low-frequency ripple current 460 mA (120 Hz) and high-frequency ripple current 736 mA (10 kHz), enabling effective AC ripple handling across frequencies.
• Wide Temperature & Endurance — Operating range −40 °C to 105 °C with an endurance rating of 2000 hours at 105 °C under rated DC bias plus rated ripple current.
• Safety Design — Improved safety feature for abnormal voltage and a pressure-relief vent to minimize dangerous conditions in abnormal events.
• Compact Radial Package — Radial-lead can in a φ16 × 25 mm case with 7.5 mm lead spacing (±0.5 mm) for through-hole mounting and straightforward PCB integration.
• Leakage and Stability — Specified leakage current (after 1 minute at 20 °C) consistent with series data and low-temperature impedance characteristics defined in the UAS series specifications.
• RoHS Compliant — Meets RoHS directive requirements.

Typical Applications

• General-purpose power filtering — Provides bulk smoothing and decoupling in power supplies and consumer or industrial electronic circuits where a 200 V, 150 µF polarized capacitor is required.
• DC-link and energy storage — Suited for intermediate energy storage and ripple suppression in circuits that require sustained performance up to 105 °C and rated ripple current handling.
• Industrial and control electronics — Useful in control boards and power modules that need a compact radial electrolytic capacitor with defined endurance and safety venting for abnormal voltage conditions.

Unique Advantages

• High voltage rating in a small can — 200 V rating combined with a φ16 × 25 mm footprint enables higher-voltage designs without large board space impact.
• Designed for elevated ripple conditions — Specified low- and high-frequency ripple current values allow designers to select this capacitor with confidence for ripple-heavy circuits.
• Robust temperature endurance — Rated for continuous operation to 105 °C with a 2000-hour endurance specification, supporting reliability in hotter operating environments.
• Safety-conscious construction — Pressure-relief vent and improved abnormal-voltage behavior reduce risk in fault scenarios compared to unspecified alternatives.
• Through-hole convenience — Radial lead format with defined 7.5 mm lead spacing simplifies prototyping and replacement in legacy and serviceable designs.
• Regulatory compliance — RoHS-compliant to support environmental and supply-chain requirements.

Why Choose UAS2D151MHD?

The UAS2D151MHD positions itself as a compact, reliable aluminum electrolytic solution for designers needing 150 µF at 200 V in a radial through-hole package. Its combination of high ripple-current capability, wide −40 °C to 105 °C operating range, and a 2000-hour endurance rating at elevated temperature make it appropriate for general-purpose power filtering and DC-link applications where space and thermal performance matter.

Backed by Nichicon's UAS-series specifications (including defined leakage, tan δ, and safety vent characteristics) and RoHS compliance, the UAS2D151MHD provides a verifiable component choice for engineers and procurement teams seeking predictable electrical behavior and long-term availability.

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