UPT2G271MRD

The UPT2G271MRD is a miniature aluminum electrolytic capacitor from Nichicon’s UPT series designed for high-voltage, high-ripple environments. It is a polarized, radial-lead can intended for general-purpose applications and tasks that demand elevated ripple handling and long operational life.

Key value comes from its 270 µF capacitance at a 400 V rating, demonstrated long-life performance at elevated temperature, and RoHS compliance—making it suitable where robust high-voltage energy storage and ripple endurance are required.

Key Features

• Capacitance & Voltage — 270 µF nominal capacitance with a 400 V rated voltage and ±20% tolerance (120 Hz, 20°C).
• High Ripple Current Performance — Rated ripple current of 1.3 A at 120 Hz and 2.08 A at 10 kHz, with series frequency coefficients available (50 Hz: 0.80, 120 Hz: 1.00, 300 Hz: 1.25, 1 kHz: 1.40, 10 kHz+: 1.60).
• Long Life / Endurance — Endurance specified as 5000 hours at 105°C under D.C. bias plus rated ripple: after test, capacitance change within ±20%, tan δ ≤ 200% of initial, and leakage current ≤ initial specified value.
• Operating Temperature Range — Specified for –40°C to +105°C continuous operation.
• Low Leakage Characteristic — Leakage current specified as I ≤ 0.06CV + 10 µA (after 2 minutes at 20°C), per the datasheet formula.
• Package & Mounting — Radial, can-style package with radial lead mounting and 1.0 cm lead spacing for easy through-hole assembly. Size: L: 5 × D: 2.2 cm.
• Polarized Device — Standard polarized electrolytic construction for DC applications.
• Regulatory Compliance — RoHS compliant.
• Series-Level Characteristic — UPT series notes “high ripple current” and suitability for ballast applications in addition to general-purpose use.

Typical Applications

• General-purpose high-voltage circuits — Use where a polarized 270 µF, 400 V capacitor is required for energy storage in high-voltage designs.
• Ballasts and lighting power supplies — The UPT series is identified as suited for ballast applications and provides high ripple current capability for these high-stress environments.
• High-ripple power stages and filtering — Rated ripple current and frequency coefficients make this part suitable for circuits that experience elevated AC ripple at the capacitor.

Unique Advantages

• High-voltage capability: 400 V rating enables use in high-voltage DC circuits without stacking multiple components.
• Strong ripple handling: Specified ripple currents (1.3 A at 120 Hz; 2.08 A at 10 kHz) and frequency coefficients support designs with significant AC stress across the capacitor.
• Proven long-life performance: 5000-hour endurance at 105°C under rated conditions provides predictable aging and reliability data for thermal designs.
• Low leakage design: Leakage follows the datasheet limit I ≤ 0.06CV + 10 µA (after 2 minutes at 20°C), aiding in low-standby-current applications.
• Through-hole radial convenience: Radial lead, can-style package and 1.0 cm lead spacing simplify PCB mounting and prototyping in legacy and industrial boards.
• RoHS compliant: Meets RoHS requirements for use in regulated markets and assemblies.

Why Choose UPT2G271MRD?

The UPT2G271MRD combines a high 400 V rating with substantial capacitance (270 µF) and explicit high-ripple capability to address demanding high-voltage, high-AC-stress applications. Backed by the UPT series’ long-life specification (5000 hours at 105°C) and defined leakage and tan δ limits, it gives designers quantifiable endurance and electrical behavior for system-level reliability planning.

This part is well suited for engineers and procurement teams specifying components for industrial power supplies, ballast systems, and other general-purpose high-voltage circuits that require a robust, radial-mounted electrolytic capacitor with defined ripple and thermal endurance characteristics.

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