UPJ1J331MHD

The UPJ1J331MHD is a radial-lead aluminum electrolytic capacitor from Nichicon's UPJ series, rated at 330 µF and 63 V. It is engineered for general-purpose and switching power supply applications where low impedance, reliable ripple handling, and extended high-temperature life are required.

This polarized radial-can capacitor delivers a combination of high ripple-current capability and long endurance at elevated temperatures, making it suitable for power filtering and energy storage in compact assemblies.

Key Features

• Capacitance and Voltage: 330 µF nominal capacitance with a 63 V rated voltage and ±20% tolerance at 120 Hz, 20°C.
• Low Impedance Design: UPJ series construction provides low impedance for improved performance in switching power supplies and DC–DC converters.
• High Ripple Handling: Specified ripple currents of 632.2 mA at 120 Hz and 1.09 A at 200 kHz support steady performance under AC ripple and switching conditions.
• Extended High-Temperature Life: Rated lifespan of 5000 hours at +105°C, enabling durable operation under sustained thermal stress.
• Wide Operating Temperature Range: Operates from −55°C to +105°C to cover a broad set of environmental conditions.
• Radial Lead Package: Radial can package with 5 mm lead spacing and compact dimensions (L: 2.5 × D: 1.25 cm) for through-hole mounting and easy PCB placement.
• RoHS Compliant: Manufactured in compliance with RoHS directives.

Typical Applications

• Switching Power Supplies: Low impedance and specified ripple current make it suitable for output filtering and bulk energy storage in SMPS designs.
• DC–DC Converters: Provides stable capacitance and ripple tolerance for voltage regulation stages in isolated and non-isolated converters.
• Industrial Power Electronics: Used for power rail smoothing and decoupling where extended high-temperature life and reliability are required.
• Consumer Electronics Power Filtering: Compact radial package supports power supply filtering in consumer and professional equipment.

Unique Advantages

• Designed for High-Ripple Environments: Explicit ripple current ratings at both low and high frequencies support reliable performance under switching conditions.
• Proven High-Temperature Endurance: 5000-hour rating at +105°C provides assurance of long-term stability in thermally demanding applications.
• Compact, Serviceable Package: Radial-can construction with 5 mm lead spacing and defined dimensions simplifies through-hole assembly and replacement.
• Wide Temperature Range: −55°C to +105°C operation ensures functionality across a broad set of application environments.
• RoHS Compliance: Meets RoHS requirements for environmentally conscious designs.

Why Choose UPJ1J331MHD?

UPJ1J331MHD combines the UPJ series' low-impedance characteristics with a 330 µF, 63 V rating and robust thermal endurance, making it a practical choice for engineers designing switching power supplies and general-purpose power circuits. Its radial-lead can format and measured ripple-current capability provide a balanced solution for reliable power filtering in compact assemblies.

This part is well suited for teams seeking a durable, RoHS-compliant electrolytic capacitor with documented high-temperature life and clear ripple-current specifications, backed by Nichicon’s UPJ series design intent for switching power applications.

If you would like pricing, lead-time information, or a formal quote for UPJ1J331MHD, please request a quote or contact sales to discuss availability and technical support.