UEP0J331MPD

The UEP0J331MPD from Nichicon is a bi-polarized aluminum electrolytic capacitor in the UEP series designed for general-purpose electronic use. It provides a 330 µF capacitance at a 6.3 V rating in a compact radial-can package optimized for applications requiring wide temperature operation and reliable performance over time.

Key value propositions include a broad −55°C to +105°C operating range, proven endurance at elevated temperature, and RoHS compliance for environmentally conscious designs.

Key Features

• Capacitance & Rated Voltage — 330 µF nominal capacitance with a rated voltage of 6.3 V and a tolerance of ±20% (−20%~20%).
• Bi-Polar Polarization — Bi-polarized construction to support applications where polarity may reverse; endurance testing for the series specifies polarity inversion during life testing.
• Wide Temperature Range — Specified to operate from −55°C to +105°C, supporting deployments across broad thermal environments.
• Endurance at Elevated Temperature — Rated for 1000 hours at 105°C; for 6.3 V parts the capacitance change after endurance is specified to remain within ±25% of the initial value when restored to 20°C.
• Ripple Current Capability — Rated ripple currents of 185 mA at 120 Hz and 277.5 mA at 10 kHz, with series frequency coefficients available in the datasheet to scale ripple performance across frequencies.
• Low-Temperature Stability — Impedance characteristics for the 6.3 V rating: Z(−25°C)/Z(+20°C) ≤ 4 and Z(−40°C)/Z(+20°C) ≤ 10, supporting performance in cold conditions.
• Leakage Current — Specified maximum leakage current after 5 minutes at 20°C is 0.03 × C × V (μA), where C is rated capacitance (μF) and V is rated voltage (V).
• Package & Mounting — Radial lead, can package with 3.5 mm lead spacing, overall size L: 1.15 cm × D: 0.8 cm, and radial lead mounting for through-hole assemblies.
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General-purpose electronics — Suited for general-purpose circuits that require a compact, bi-polarized capacitor able to operate across −55°C to +105°C.
• Equipment exposed to wide temperature ranges — The extended operating temperature and specified low-temperature impedance ratios make this part applicable where thermal extremes are expected.
• Through-hole and assembly-focused designs — Radial lead configuration and compact can dimensions support through-hole PCB mounting and straightforward assembly in a variety of products.

Unique Advantages

• Wide operating envelope — The −55°C to +105°C range enables use across harsh thermal conditions without sacrificing specified performance metrics.
• Designed for polarity flexibility — Bi-polarized construction and series endurance procedures with polarity inversion provide predictable behavior in systems where polarity may change.
• Validated high-temperature life — 1000 hours at 105°C endurance provides a measurable reliability baseline for designs that run hot over extended periods.
• Measurable ripple capability — Documented ripple current ratings at 120 Hz and 10 kHz allow designers to size capacitors against real-world ripple load conditions.
• Compact, assembly-friendly form factor — Small radial can and 3.5 mm lead spacing make the part easy to integrate into space-constrained, through-hole boards.
• RoHS-compliant — Meets current RoHS requirements for environmentally regulated product lines.

Why Choose UEP0J331MPD?

The UEP0J331MPD positions itself as a reliable, general-purpose bi-polarized electrolytic capacitor from Nichicon’s UEP series, balancing compact radial packaging with proven endurance at elevated temperature. Its combination of 330 µF capacitance at 6.3 V, broad −55°C to +105°C rating, and defined ripple and leakage characteristics makes it suitable for engineers who need predictable, documented performance in through-hole assemblies.

This part is a fit for designers and procurement teams looking for a RoHS-compliant capacitor with clear endurance and low-temperature behavior data, enabling confident selection for products expected to operate across a wide range of thermal conditions.

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