UUN2A470MNJ1MS

The UUN2A470MNJ1MS is a bi‑polarized aluminum electrolytic chip capacitor designed for surface mounting on high-density printed circuit boards. It delivers a 47 µF capacitance at a 100 V rated voltage with a compact radial can SMD package and is intended for general-purpose electronic applications that require wide temperature operation and reliable endurance.

Key value propositions include bi‑polarized construction for use across a wide temperature range (−55 °C to +105 °C), a defined endurance rating of 2000 hours at 105 °C, and ripple current specifications for both low and high frequency operation.

Key Features

• Capacitance & Voltage — 47 µF rated capacitance with a 100 V rated voltage and ±20% tolerance, suitable where higher voltage surface‑mount electrolytics are required.
• Bi‑Polarized Construction — Bi‑polarized design as specified for the UUN series, supporting polarity inversion procedures used in endurance testing.
• Temperature Range — Operates from −55 °C to +105 °C, enabling use across a wide ambient temperature span.
• Endurance & Reliability — Rated for 2000 hours at 105 °C with specified limits on capacitance change (±20%), tan δ and leakage current after the test sequence.
• Leakage & Loss Characteristics — Leakage current specification: I ≤ 0.03 C V (µA) after 1 minute at 20 °C; tan δ (max.) of 0.09 at 100 V (measured at 120 Hz, 20 °C).
• Ripple Current Performance — Rated ripple current: 180 mA at 120 Hz and 360 mA at 10 kHz, suitable for both low‑ and high‑frequency ripple conditions.
• Surface‑Mount Package — Radial, can SMD package sized L: 1.65 × D: 1.6 cm with recommended land size L: 1.63 × W: 1.63 cm; compatible with automatic mounting using carrier tape.
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• General‑Purpose Power Filtering — Bulk decoupling and smoothing in higher‑voltage power rails where a 100 V, 47 µF bi‑polar capacitor is required.
• AC Coupling and Signal Networks — Bi‑polarized construction suits applications that require no fixed polarity across the capacitor in signal and coupling networks.
• High‑Density Surface‑Mount Designs — Designed for surface mounting on high‑density PC boards and compatibility with automated carrier‑tape placement.

Unique Advantages

• Wide Operating Temperature Range: −55 °C to +105 °C rating supports designs exposed to broad ambient conditions without derating the capacitor’s specified limits.
• High Voltage Capability: 100 V rated voltage provides margin for higher‑voltage circuits compared with lower‑voltage SMD electrolytics.
• Endurance‑Verified Performance: 2000 hours at 105 °C endurance with polarity inversion validates long‑term stability for sustained elevated temperature use.
• Frequency Versatility: Defined ripple current ratings at 120 Hz and 10 kHz (180 mA and 360 mA respectively) provide data for both low‑ and high‑frequency ripple environments.
• Assembly‑Friendly Package: Radial can SMD format and carrier‑tape compatibility simplify automated placement in high‑density manufacturing.
• RoHS Compliance: Meets RoHS (2011/65/EU, (EU)2015/863) requirements for environmental regulatory conformity.

Why Choose UUN2A470MNJ1MS?

UUN2A470MNJ1MS positions itself as a reliable, general‑purpose bi‑polar aluminum electrolytic SMD capacitor for designers who need a 47 µF, 100 V solution that withstands wide temperature swings and long endurance testing. Its specified leakage, tan δ and ripple current figures provide the electrical data engineers need to size and validate power and signal circuits.

This part is suitable for engineering teams and procurement sourcing components for higher‑voltage surface‑mount circuits where automated assembly, RoHS compliance, and documented endurance at elevated temperature are required.

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