UPS1J331MHD

The UPS1J331MHD is a 330 µF, 63 V aluminum electrolytic capacitor from Nichicon’s UPS series. It is a miniature, low-impedance radial-lead can designed for general-purpose use and specifically targeted for smoothing and energy-storage in switching power supplies.

Key engineering attributes include low impedance, wide operating temperature range (−55°C to 105°C), long high-temperature lifetime, and RoHS compliance, making it suitable for space-constrained power designs that require reliable ripple handling and thermal endurance.

Key Features

• Capacitance & Voltage — 330 µF rated capacitance at 63 V for bulk energy storage and smoothing in power systems.
• Low Impedance — Specified impedance of 120 mΩ, enabling improved ripple performance and reduced voltage drop under AC loading.
• Wide Temperature Range — Rated for operation from −55°C to 105°C to support designs exposed to broad ambient and thermal conditions.
• High-Temperature Endurance — Rated lifetime of 3000 hours at 105°C under recommended conditions, supporting long-term high-temperature operation.
• Ripple Current Capability — Rated ripple current of 695.8 mA at 120 Hz and 980 mA at 10 kHz, with frequency coefficients defined in the UPS series datasheet.
• Radial Lead Package — Compact radial can with 5 mm lead spacing and a size of L × D: 2 × 1.25 cm for through-hole mounting in space-limited assemblies.
• Tolerance & Polarity — ±20% capacitance tolerance and polarized construction for standard electrolytic capacitor use cases.
• RoHS Compliant — Conforms to RoHS directive requirements (2011/65/EU, (EU)2015/863).

Typical Applications

• Switching Power Supplies — Bulk filtering and energy storage to stabilize DC rails and reduce output ripple in switching regulators.
• Power Conversion Modules — Smoothing and decoupling in DC–DC converters and power management boards where compact, low-impedance capacitors are required.
• General-Purpose Electronic Equipment — Voltage smoothing and transient energy support in consumer and industrial electronic products.

Unique Advantages

• Compact, space-saving form — Small L × D footprint (2 × 1.25 cm) makes it easier to fit bulk capacitance into constrained layouts.
• Improved ripple handling — Low impedance (120 mΩ) combined with specified ripple currents supports tighter voltage regulation under AC loads.
• Wide operating temperature — −55°C to 105°C range supports deployment across a broad set of thermal environments.
• High-temperature longevity — 3000-hour rating at 105°C provides predictable life performance for high-temperature applications.
• Through-hole robustness — Radial lead can package and 5 mm lead spacing simplify mechanical mounting and thermal dissipation in PCB assemblies.
• Regulatory compliance — RoHS compliance supports designs targeting restricted-substance requirements.

Why Choose UPS1J331MHD?

The UPS1J331MHD combines a compact radial-can package with low impedance and specified ripple capability to address the needs of switching power-supply designers and general-purpose electronics engineers who require reliable bulk capacitance in tight spaces. Its wide temperature rating and 3000-hour high-temperature endurance make it a practical choice for designs that must tolerate elevated operating temperatures.

As part of Nichicon’s UPS series, this capacitor offers verifiable electrical and environmental characteristics—capacitance, voltage rating, impedance, ripple current, and RoHS compliance—so engineers can select it with confidence for power-filtering and decoupling roles where size, thermal performance, and ripple handling matter.

Request a quote or submit a purchase inquiry to receive pricing and availability for the UPS1J331MHD and to discuss volume, lead times, or technical questions with our sales team.