UPW2A681MHD

The UPW2A681MHD is a miniature, high‑reliability radial‑lead aluminum electrolytic capacitor from Nichicon’s UPW series. It delivers 680 µF capacitance at a 100 V rating in a compact φ16 × 35.5 mm can, designed for power filtering and energy storage in demanding environments.

With low impedance, defined ripple current capability, long endurance and an extended temperature range, this part is targeted at switching power supplies, automotive electronics and industrial power systems that require compact, durable bulk capacitance.

Key Features

• Electrical Performance — 680 µF capacitance at 100 V rating with a tolerance of −20% to +20%, providing dependable bulk energy storage.
• Low Impedance & Loss — Rated impedance 128 mΩ and tan δ 0.08 (measured at 20°C, 120 Hz) for improved filtering and reduced ESR-related losses.
• Ripple Current Capability — Low‑frequency ripple current 1.058 A at 120 Hz and high‑frequency ripple current 1.41 A at 10 kHz to support switching power applications.
• Leakage Current — Specified leakage current of 2,040 µA under rated conditions for predictable bias behavior.
• High Endurance — Rated for 8,000 hours at 105°C, enabling long operational life under elevated temperature stress.
• Wide Temperature Range — Operating range from −55°C to +105°C suitable for systems exposed to broad thermal conditions.
• Radial Lead Package — φ16 × 35.5 mm can with 7.5 mm lead spacing (±0.5 mm) in a radial lead configuration for through‑hole mounting and robust mechanical retention.
• Packaging & Availability — Available in bulk (no terminal forming) or bag packing; product is in mass production.
• AEC‑Q200 Rated — AEC‑Q200 qualification included in the product data, indicating suitability for automotive electronic applications.

Typical Applications

• Switching Power Supplies — Low impedance, high ripple handling and compact size make it suitable for output filtering and energy smoothing in SMPS designs.
• Automotive Electronics — AEC‑Q200 rating, wide temperature range and long endurance support use in automotive power modules and control units.
• Industrial Power Systems — Bulk decoupling and transient suppression in industrial converters and motor drive power stages.
• Power Management — Energy storage and smoothing in point‑of‑load or intermediate bus capacitor banks where space is limited.

Unique Advantages

• High Voltage Handling in a Compact Can — 100 V rating combined with 680 µF capacitance in a φ16 × 35.5 mm package reduces board area for high‑voltage bulk capacitance.
• Improved Filtering Performance — Low impedance (128 mΩ) and low tan δ support efficient ripple attenuation across audio to switching frequencies.
• Designed for Elevated Temperatures — 8,000‑hour endurance at 105°C provides predictable lifetime in thermally stressed applications.
• Defined Ripple Current Ratings — Clear 120 Hz and 10 kHz ripple current specifications allow designers to size and thermally budget capacitors for switching environments.
• Automotive‑Grade Qualification — Inclusion of AEC‑Q200 in the product data supports selection for automotive electronics where qualification is required.
• Through‑Hole Robustness — Radial lead format with 7.5 mm lead spacing and a can package simplifies assembly and provides mechanical durability in vibration environments.

Why Choose UPW2A681MHD?

UPW2A681MHD combines high capacitance and a 100 V rating in a compact radial can with low impedance and defined ripple capability, making it well suited to engineers designing switching power supplies, automotive power modules and industrial converters that require durable bulk energy storage. Its long endurance at 105°C and AEC‑Q200 rating align the part to applications demanding stability over time and across temperature extremes.

Choose this Nichicon UPW series capacitor when you need a dependable, compact solution for high‑voltage filtering and decoupling where lifetime, thermal performance and measurable ripple handling are key selection criteria.

Request a quote or contact sales to discuss pricing, sample availability and lead times for UPW2A681MHD.