UPJ0J332MHD6

The UPJ0J332MHD6 is a miniature, high-reliability aluminum electrolytic capacitor in a radial‑lead can, part of Nichicon's UPJ series. It delivers a high capacitance density (3.3 mF) at a low rated voltage (6.3 V) in a compact φ18 × 15 mm package with 7.5 mm lead spacing.

Designed for general-purpose power applications—particularly switching power supplies—this part combines low impedance, elevated ripple‑current capability, and extended endurance for demanding thermal and electrical conditions.

Key Features

• Capacitance & Voltage: 3.3 mF (3300 µF) rated at 6.3 V for low‑voltage bulk and smoothing applications.
• Low Impedance Performance: UPJ series architecture is characterized as low impedance, improving filtering and transient response in power circuits.
• Loss Tangent (tan δ): tanδ = 0.26 measured at 20°C, 120 Hz, providing a quantified dissipation factor for design calculations.
• High Ripple‑Current Capability: Rated ripple current 1.296 A at 120 Hz and 1.44 A at 200 kHz, enabling effective AC ripple handling across common power‑supply frequencies.
• Leakage Current: Specified leakage current of 623.7 µA for predictable standby and no‑load behavior.
• Extended Endurance: 5000 hours at 105°C (load life) for sustained operation in elevated temperature environments.
• Temperature Range: -55°C to +105°C for wide environmental applicability.
• Mechanical & Mounting: Radial lead, polarized can (φ18 × 15 mm) with 7.5 mm lead spacing (±0.5 mm), packaged in Bulk or Bag packing.
• Compliance & Availability: RoHS compliant and listed as mass production.

Typical Applications

• Switching Power Supplies: Bulk smoothing and output filtering where high ripple current and low impedance improve regulation and transient response.
• Low‑Voltage DC Power Rails: Energy storage and decoupling for 6.3 V rails in embedded and consumer electronics.
• DC/DC Converters and Power Modules: Input and output filtering for converters requiring compact, high‑capacitance, through‑hole capacitors.
• General‑Purpose Power Filtering: Applications demanding predictable leakage, dissipation factor, and long life at elevated temperatures.

Unique Advantages

• High Capacitance in a Small Footprint: 3300 µF in a φ18 × 15 mm can offers significant bulk capacitance for compact through‑hole designs.
• Measured Dissipation Data: Specified tanδ (0.26 at 20°C, 120 Hz) allows engineers to budget losses and thermal rise accurately.
• Robust Ripple Handling: Rated ripple currents at both low and high frequencies (1.296 A @120 Hz, 1.44 A @200 kHz) support diverse switching topologies and frequency ranges.
• Long High‑Temperature Life: 5000 hours endurance at 105°C provides predictable aging characteristics for longer maintenance intervals.
• Clear Electrical Parameters: Specified leakage current (623.7 µA) and capacitance tolerance (‑20% to +20%) reduce uncertainty in margin and hold‑up calculations.
• Through‑Hole Simplicity: Radial lead, polarized construction simplifies mounting and replacement in legacy and serviceable designs.

Why Choose UPJ0J332MHD6?

UPJ0J332MHD6 is positioned for designs that require a compact, high‑capacitance electrolytic with measurable loss characteristics, strong ripple capability, and extended high‑temperature endurance. Its combination of 3.3 mF capacity, 6.3 V rating, and low‑impedance UPJ family construction makes it well suited to power engineers solving bulk energy storage and filtering challenges in switching supplies and low‑voltage power rails.

For procurement and design teams, the part offers predictable electrical parameters and long life backed by Nichicon's UPJ series specifications, making it an option for projects that value robustness, repeatability, and straightforward through‑hole integration.

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