UPW1J681MHD3

The UPW1J681MHD3 is a radial lead aluminum electrolytic capacitor designed for compact, high-reliability power applications. It delivers 680 µF at a 63 V rating in a φ18 × 20L can with 7.5 mm lead spacing and is polarized for standard radial mounting.

Engineered for demanding thermal and ripple environments, this part combines low impedance (110 mOhm) and high ripple capability with long endurance (8000 hours at 105°C), making it suitable for switching power supplies and automotive electrical modules that require AEC‑Q200 qualification.

Key Features

• Capacitance & Voltage — 680 µF nominal capacitance at a 63 V rated voltage with ±20% tolerance for bulk energy storage and decoupling.
• Low Loss / Low Impedance — tan δ of 0.09 (120 Hz) and impedance of 110 mOhm, supporting stable performance in high-frequency power circuits.
• High Ripple Handling — Rated ripple current of 1.718 A at 120 Hz and 2.29 A at 10 kHz to support switching and high-frequency ripple conditions.
• Long Endurance — 8000 hours life at 105°C under rated conditions for extended reliability in thermally stressed environments.
• Wide Temperature Range — Operates from −55°C to 105°C to accommodate a broad range of environmental conditions.
• Radial Can Package — φ18 × 20L can with 7.5 mm lead spacing and radial lead mounting for through-hole board designs; available as Bulk (No Terminal Forming) / Bag Packing.
• Polarized & Leakage — Polarized construction with a specified leakage current listed as 1285.2 µA.
• AEC‑Q200 Rated — Meets AEC‑Q200 qualification for use in applications where that standard is required.

Typical Applications

• Switching Power Supplies — Bulk decoupling and ripple smoothing in switching supplies, leveraging 680 µF capacitance, low impedance, and rated ripple currents at 120 Hz and 10 kHz.
• Automotive Electronic Modules — Suitable for automotive systems that require components meeting AEC‑Q200 and long endurance at elevated temperature (8000 h at 105°C).
• Power Distribution and Smoothing — DC-link and power-rail smoothing where 63 V rating and high ripple capability are required.
• Thermally Demanding Environments — Systems operating across −55°C to 105°C that need durable electrolytic capacitance with predictable end-of-life characteristics.

Unique Advantages

• Verified AEC‑Q200 Qualification: Enables use in automotive-grade designs that require the AEC‑Q200 standard.
• High Thermal Endurance: 8000 hours at 105°C provides extended service life in hot operating conditions, reducing replacement frequency.
• High Ripple Capacity Across Frequencies: Rated ripple currents at 120 Hz and 10 kHz support both low- and high-frequency switching environments.
• Compact Radial Can: φ18 × 20L form factor with 7.5 mm lead spacing offers a space-efficient solution for through-hole power boards.
• Low Loss Performance: tan δ = 0.09 and 110 mOhm impedance support efficient energy storage and reduced heating under ripple stress.

Why Choose UPW1J681MHD3?

UPW1J681MHD3 positions itself where compact size, robust ripple handling and long-term thermal endurance are required. With a 63 V rating, 680 µF capacitance, and AEC‑Q200 qualification, it fits designs that demand reliable bulk capacitance in both industrial and automotive power electronics.

This capacitor is appropriate for engineers specifying parts for switching power supplies, automotive modules, and other high-stress power applications that value predictable lifetime (8000 h at 105°C), well-documented electrical characteristics, and a radial can footprint for through-hole assembly.

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