UHE2A271MHD6

The UHE2A271MHD6 is a miniature, high-reliability aluminum electrolytic capacitor from Nichicon's UHE series. It is a radial-lead, polar capacitor specified at 270 µF and 100 V, designed for general-purpose power applications that require low impedance and long operational life.

Key value propositions include low impedance (270 mΩ), robust ripple-current capability at both low and high frequencies, and a long endurance rating of 10,000 hours at 105°C. The part is RoHS compliant and supplied in bulk or bag packing.

Key Features

• Capacitance & Voltage — 270 µF nominal capacitance with a 100 V rated voltage and tolerance of -20% to +20%.
• Low Loss (tan δ) — tanδ (DF) = 0.08 measured at 20°C, 120 Hz, indicating low dissipation for improved AC performance.
• Low Impedance — Rated impedance of 270 mΩ supports tight filtering and reduced voltage ripple in power circuits.
• High Ripple Current Capability — 945 mA at 120 Hz (low frequency) and 1.35 A at 10 kHz (high frequency) for effective smoothing under AC ripple conditions.
• Leakage Current — Specified leakage current of 270 µA for predictable quiescent behavior.
• Long Life & Wide Temperature Range — Endurance of 10,000 hours at 105°C and an operating range from -40°C to 105°C for reliable long-term operation.
• Radial Lead Package — Radial, can-style package with 7.5 mm lead spacing (±0.5 mm), suitable for through-hole mounting and straightforward PCB layout.
• RoHS Compliant & Packaging — Meets RoHS requirements and is available in bulk (no terminal forming) or bag packing for flexible procurement.

Typical Applications

• Power supply filtering — 270 µF at 100 V and low impedance (270 mΩ) make this capacitor well-suited for smoothing and decoupling in general-purpose power supplies.
• DC link and bulk energy storage — High capacitance and rated voltage support energy buffering and transient suppression in power conversion stages.
• Industrial electronics — 10,000-hour endurance at 105°C and a -40°C to 105°C operating range provide stability for long-life industrial control and automation systems.
• High-frequency ripple environments — Specified ripple current up to 1.35 A at 10 kHz addresses high-frequency switching and converter applications.

Unique Advantages

• Designed for sustained high-temperature operation — 10,000-hour endurance at 105°C provides predictable long-term behavior in thermally stressed designs.
• Balanced AC and DC performance — Low tanδ (0.08) together with low impedance and controlled leakage current supports efficient filtering with minimal losses.
• Versatile ripple handling — Separate ripple current ratings for low and high frequency (945 mA at 120 Hz, 1.35 A at 10 kHz) let designers size components precisely for intended switching environments.
• Through-hole robustness — Radial lead can with 7.5 mm lead spacing simplifies mechanical mounting and replacement in serviceable assemblies.
• Regulatory readiness — RoHS compliance supports deployment in regulated product lines without additional material screening.

Why Choose UHE2A271MHD6?

UHE2A271MHD6 combines a high nominal capacitance (270 µF) and 100 V rating with low impedance and solid ripple-current capability, delivering reliable smoothing and energy buffering for general-purpose power electronics. Its long endurance rating at elevated temperature and wide operating range make it a practical choice for designs that require predictable lifetime performance.

This part is appropriate for engineers specifying through-hole, serviceable capacitors where a balance of capacitance, voltage, and thermal endurance is required. Its RoHS compliance and packaging options support streamlined procurement and assembly.

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