UPS1H681MHD

The UPS1H681MHD is a miniature, low-impedance aluminum electrolytic capacitor from Nichicon's UPS series designed for switching power supplies and general-purpose power applications. It is a polarized, radial-lead can offering 680 µF capacitance at a 50 V rating with a wide operating temperature range down to –55 °C and up to 105 °C.

Engineered for compact power designs, this part combines a small footprint and low impedance with robust ripple-handling and a 3000-hour lifetime at 105 °C, delivering reliable bulk capacitance in through-hole assemblies.

Key Features

• Capacitance & Voltage: 680 µF nominal capacitance at a 50 V rated voltage for bulk energy storage and decoupling in power rails.
• Low Impedance: Specified impedance of 100 mOhm supports lower ripple voltage under load and efficient energy transfer.
• Wide Temperature Range: Operates from –55 °C to 105 °C to suit demanding thermal environments.
• High-Temperature Endurance: 3000 hours at 105 °C rated lifetime when operated under specified conditions.
• Ripple Current Capability: 852 mA at 120 Hz and 1.2 A at 10 kHz, enabling effective handling of low- and high-frequency ripple in switching applications.
• Radial Lead Package: Radial, can-style package with 5 mm lead spacing and compact dimensions (L: 2.5 × D: 1.25 cm), suitable for through-hole mounting.
• Manufacturing & Compliance: Polarized aluminum electrolytic construction and RoHS compliant (2011/65/EU, (EU)2015/863).
• Tolerance & Leakage: Capacitance tolerance of –20% to +20% and standard electrolyte leakage specifications per series datasheet.

Typical Applications

• Switching Power Supplies: Provides bulk capacitance and low-impedance filtering in switching regulator outputs and input stages, as specified by the product description.
• General-Purpose Power Electronics: Suited for general-purpose circuits requiring 680 µF at 50 V where compact size and temperature resilience matter.
• Through-Hole Assemblies: Radial-lead can package and 5 mm lead spacing make this part appropriate for traditional PCB through-hole mounting and prototyping.

Unique Advantages

• Compact bulk capacitance: 680 µF in a miniature radial can minimizes board area while delivering necessary energy storage.
• Low-impedance performance: 100 mOhm impedance helps reduce ripple voltage and improve regulator stability in switching environments.
• Wide thermal capability: –55 °C to 105 °C operation and a 3000-hour high-temperature life rating support reliable performance in thermally challenging designs.
• High ripple tolerance: Specified ripple currents at both 120 Hz and 10 kHz allow use across a range of switching frequencies.
• RoHS compliant: Meets RoHS directives (2011/65/EU, (EU)2015/863) for regulatory and environmental requirements.
• Through-hole compatibility: Radial lead format and compact dimensions simplify integration into existing through-hole manufacturing workflows.

Why Choose UPS1H681MHD?

UPS1H681MHD positions itself as a dependable choice for designers needing a compact, low-impedance aluminum electrolytic capacitor for switching power supplies and general-purpose power circuits. Its combination of 680 µF / 50 V ratings, low impedance, and robust ripple-current capability address common needs in power filtering and bulk energy storage while the wide operating temperature range and 3000-hour life at 105 °C provide predictable long-term behavior in demanding environments.

This part is well suited to engineers and procurement teams specifying through-hole capacitors where size, thermal resilience, and RoHS compliance are required. The product’s clear electrical and mechanical specifications simplify selection and help reduce iteration during PCB design and testing.

CALL TO ACTION

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