UPJ1J121MHD6

The UPJ1J121MHD6 is a miniature, high-reliability aluminum electrolytic capacitor in a radial lead can designed for power electronic applications. As part of Nichicon’s UPJ series, it delivers low impedance and extended load-life characteristics targeted at switching power supplies and general-purpose power filtering.

Key value drivers include a 63 V rated voltage, 120 µF capacitance with ±20% tolerance, and a wide operating temperature range from −55°C to +105°C—backed by a 5000 hour endurance rating at 105°C.

Key Features

• Capacitance & Voltage — 120 µF capacitance with ±20% tolerance at 120 Hz, rated for 63 V operation.
• Low Dissipation Factor — tanδ of 0.08 (measured at 20°C, 120 Hz) to help minimize power loss in AC/ripple conditions.
• High Ripple Handling — Low-frequency ripple current of 270.3 mA (120 Hz) and high-frequency ripple current of 510 mA (200 kHz) for smoothing and decoupling in switching circuits.
• Leakage Current — Specified leakage current of 226.8 µA, supporting stable bias characteristics after voltage application.
• Long Life / Reliability — Rated for 5000 hours at +105°C (UPJ series endurance specification) to support continuous operation in demanding thermal environments.
• Compact Radial Package — φ12.5 × 15 mm can size with 5 mm lead spacing (±0.5 mm), radial lead mounting for through-hole PCBs and robust mechanical retention.
• Packaging & Production — Available in Bulk (No Terminal Forming) and Bag packing; status: Mass Production.
• Environmental Compliance — RoHS compliant.

Typical Applications

• Switching Power Supplies — Low impedance and long-life characteristics make this part well suited for output filtering and bulk energy storage in SMPS designs.
• Power Rail Decoupling — Used for smoothing and decoupling on 63 V rails in industrial and commercial power electronics.
• General-Purpose Power Electronics — Fits a range of general-purpose applications that require polarized aluminum electrolytic capacitors with compact through-hole packaging.

Unique Advantages

• Extended Endurance: 5000 hour load-life at 105°C provides predictable long-term performance for continuous-duty power applications.
• Measurable Low Loss: Low tanδ (0.08) reduces heat generation and helps maintain efficiency under AC ripple conditions.
• Dual-Frequency Ripple Capability: Specified ripple currents at both 120 Hz and 200 kHz support performance across switching and line-frequency environments.
• Compact Footprint: φ12.5 × 15 mm radial can and 5 mm lead spacing enable dense board layouts while maintaining good mechanical stability.
• Clear Leakage Specification: Defined leakage current (226.8 µA) simplifies selection for bias-sensitive designs.
• Regulatory Compliance: RoHS compliance supports use in regulated markets and assembly processes.

Why Choose UPJ1J121MHD6?

UPJ1J121MHD6 combines Nichicon’s UPJ series low-impedance construction with a compact radial package and long endurance at elevated temperatures. It is positioned for engineers who need a reliable, space-efficient polarized capacitor for switching power supplies, power-rail decoupling, and general-purpose power electronics where steady ripple handling and predictable lifetime are important.

The combination of 63 V rating, 120 µF capacitance, low dissipation factor, and defined ripple and leakage characteristics provides a straightforward specification match for mid-voltage power designs, helping reduce uncertainty during component selection and procurement.

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