UPJ2A680MPD

The UPJ2A680MPD from Nichicon is a radial-lead aluminum electrolytic capacitor in the UPJ series, engineered for low-impedance performance in switching power supply and general-purpose power applications. It delivers 68 µF nominal capacitance at a 100 V rating in a compact φ10 × 25 mm can with radial leads.

Key value propositions include high-voltage capability, extended endurance at elevated temperature, and measurable ripple handling at both low and high frequencies—making it suitable for power rail smoothing, decoupling and filter circuits where reliability and thermal endurance matter.

Key Features

• Capacitance & Voltage — 68 µF nominal capacitance with a rated voltage of 100 V and a tolerance of ±20% (–20% to +20%).
• Low Impedance Characteristics — Series UPJ designation indicates low-impedance construction; measured tangent of loss angle (tan δ) is 0.08 at 20°C, 120 Hz, 100 V.
• Ripple Performance — Low-frequency ripple current specified 166.26 mA at 120 Hz and high-frequency ripple current 326 mA at 200 kHz, suitable for filtering in switching environments.
• Leakage Current — Product-specified leakage current of 204 µA after rated voltage application (measurement condition indicated in product data).
• Endurance & Temperature — Rated for 5000 hours at 105°C with an operating temperature range of –55°C to +105°C.
• Package & Mounting — Radial lead, polarized aluminum can; physical size φ10 × 25 mm with 5.0 mm lead spacing (±0.5 mm). Available in bulk (no terminal forming) or bag packing.
• Compliance — RoHS‑compliant.

Typical Applications

• Switching Power Supplies — Low-impedance UPJ series design and the 100 V rating make this capacitor well suited for DC link smoothing and output filtering in switching regulators.
• DC-DC Converters — Compact φ10 × 25 mm radial package with measurable high-frequency ripple handling supports use on converter power rails and post-regulation filtering.
• Industrial Power Electronics — Long endurance of 5000 hours at 105°C and wide temperature range support sustained operation in elevated-temperature control and power modules.
• General Purpose Power Filtering — Polarized radial mounting and 68 µF capacitance are applicable for decoupling and energy storage on higher-voltage boards where compact size is required.

Unique Advantages

• High Voltage Capability: 100 V rating provides headroom for higher-voltage power rails without increasing capacitance form factor.
• Measurable Low-Loss Performance: tan δ of 0.08 (20°C, 120 Hz) supports lower dissipation in AC and ripple conditions compared with higher-loss parts.
• Documented Ripple Handling: Specified ripple currents at both 120 Hz and 200 kHz enable confident selection for both line-frequency smoothing and high-frequency switching environments.
• Extended High-Temperature Endurance: 5000 hours at 105°C offers proven service life for designs exposed to elevated operating temperatures.
• Compact, PCB-Friendly Package: φ10 × 25 mm can with 5.0 mm lead spacing simplifies placement in space-constrained power assemblies.
• RoHS Compliance: Meets environmental directives for deployment in compliant products.

Why Choose UPJ2A680MPD?

The UPJ2A680MPD combines a 100 V rating and 68 µF capacitance with low-loss, low-impedance characteristics from the Nichicon UPJ series, making it a practical choice for engineers designing switching power supplies, DC-DC converters, and general-purpose power filters. Its compact radial package and documented ripple and leakage figures simplify selection and risk assessment for higher-voltage power rails.

With a 5000-hour endurance at 105°C and wide –55°C to +105°C operating range, this part suits designs that require robust thermal performance and predictable lifetime behavior. Packaging options and standard lead spacing support straightforward PCB assembly and inventory handling for production designs.

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