UHW0J471MED

The UHW0J471MED from Nichicon is a miniature, high‑reliability aluminum electrolytic capacitor in the UHW series. It is a radial‑lead, polarized device specified at 470 µF and 6.3 V, designed for compact electronic designs that require elevated ripple handling and wide operating temperature range.

Key value comes from its high ripple current capability, low loss (tanδ), and endurance at elevated temperature, making it suitable for general‑purpose power filtering and decoupling in space‑constrained assemblies.

Key Features

• Capacitance and Voltage — 470 µF capacitance rated at 6.3 V with ±20% tolerance (–20% to +20%).
• High ripple current handling — Low‑frequency ripple current 350 mA (120 Hz) and high‑frequency ripple current 700 mA (10 kHz), enabling effective smoothing under AC ripple conditions.
• Low loss (tanδ) — Specified tanδ of 0.21 at 20°C, 120 Hz (rated voltage 6.3 V), supporting lower dissipation in AC environments.
• Leakage current — Measured leakage current of 29.61 µA, consistent with tight leakage control for power applications.
• Endurance and temperature range — Rated for 6000 hours at 105°C and operational from –40°C to +105°C, suited to demanding thermal environments.
• Compact radial package — Small can size φ6.3 × 11 mm length with 2.5 mm lead spacing (±0.5 mm), ideal for dense PCB layouts.
• Compliance — RoHS compliant.

Typical Applications

• Power supply filtering — Bulk smoothing and ripple suppression in compact DC power stages where 470 µF at 6.3 V and defined ripple currents are required.
• Decoupling for converters — Local energy storage and decoupling on DC‑DC converter outputs benefiting from the capacitor’s high ripple capability and low loss.
• Embedded and portable electronics — Space‑constrained modules that require a small radial electrolytic with broad temperature tolerance and verified endurance.

Unique Advantages

• Compact footprint with high current capability: φ6.3 × 11 mm can size delivers 470 µF while supporting 350 mA (120 Hz) and 700 mA (10 kHz) ripple currents for space‑limited designs.
• Engineered for elevated temperature operation: 6000 hours at 105°C rated endurance provides predictable service life in thermally stressed applications.
• Controlled dissipation and leakage: Specified tanδ (0.21) and leakage current (29.61 µA) give clear electrical parameters for thermal and bias budgeting.
• Radial lead package for easy assembly: Standard radial leads with 2.5 mm spacing simplify through‑hole placement and mechanical retention on PCBs.
• RoHS compliant: Meets environmental directive requirements for lead‑free assemblies.

Why Choose UHW0J471MED?

UHW0J471MED balances compact size with measurable ripple handling and endurance, making it a practical choice for designers who need reliable bulk capacitance in tight PCB footprints. Its defined electrical characteristics—470 µF at 6.3 V, specified tanδ and leakage, and ripple current ratings—allow engineers to quantify performance for power filtering and decoupling tasks.

This part is well suited to general‑purpose electronic designs that require proven thermal endurance and predictable behavior under AC ripple and bias. Selecting UHW0J471MED provides clear, spec‑driven performance and RoHS compliance from a known capacitor series.

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