UPW1J331MHD

The UPW1J331MHD is a miniature, high-reliability aluminum electrolytic capacitor in a radial-can package designed for compact power electronics. It delivers 330 µF at 63 V in a φ12.5 × 20 mm can with 5 mm lead spacing, targeting switching power supplies and other space-constrained power applications.

Engineered for sustained operation in demanding environments, this AEC-Q200 rated device offers low impedance, measurable ripple handling at both low and high frequencies, and a long endurance specification at elevated temperature.

Key Features

• Capacitance & Voltage — 330 µF nominal capacitance with a rated voltage of 63 V and tolerance of −20% to +20% for predictable energy storage in power stages.
• Low Impedance Performance — Specified impedance of 170 mOhm and a loss tangent (tanδ) of 0.09 (measured at 20°C, 120 Hz), supporting stable filtering and decoupling in switching circuits.
• Ripple Current Handling — Low-frequency ripple current of 838.5 mA at 120 Hz and high-frequency ripple current of 1.29 A at 10 kHz for effective smoothing across switching and higher-frequency noise components.
• Leakage Current — Measured leakage current of 623.7 µA, enabling predictable standby and quiescent behavior in power systems.
• High Reliability & Endurance — Rated for 7000 hours at 105°C, providing long-term operation under elevated temperature conditions.
• Package & Mechanical — Radial lead can (φ12.5 × 20L) with 5 mm lead spacing (±0.5 mm) and a pressure relief vent for safe operation in sealed installations; available in bulk or bag packing.
• Operating Temperature Range — −55°C to +105°C to cover broad environmental conditions.
• AEC-Q200 Rating — Qualification for applications requiring industry-recognized reliability standards.

Typical Applications

• Switching Power Supplies — Low impedance and high ripple capability make this capacitor suitable for output filtering and bulk decoupling in compact switching regulators.
• Automotive Electronics — AEC-Q200 rating and 7000 h endurance at 105°C support use in automotive control modules and power subsystems where reliability and thermal tolerance are required.
• DC–DC Converters and Power Modules — Compact radial-can format and measured high-frequency ripple current handling suit local energy storage and voltage stabilization in DC–DC converter stages.

Unique Advantages

• Compact, High-Capacity Footprint: 330 µF in a φ12.5 × 20 mm package reduces board area while providing significant capacitance for power smoothing.
• Measured Low Impedance: 170 mOhm impedance and tanδ = 0.09 improve transient response and reduce voltage ripple in switching circuits.
• Broad Ripple Frequency Support: Specified ripple current at 120 Hz and 10 kHz demonstrates applicability across low- and high-frequency noise mitigation.
• Designed for Elevated Temperature Operation: 7000-hour endurance at 105°C provides predictable long-term performance in thermally demanding designs.
• Automotive-Grade Reliability: AEC-Q200 rating offers traceable qualification for customers requiring industry-level reliability assurance.
• Practical Packaging Options: Available in bulk or bag packing for flexible assembly and inventory workflows.

Why Choose UPW1J331MHD?

The UPW1J331MHD balances a compact mechanical footprint with electrical performance suited to demanding power designs. With low measured impedance, defined ripple current ratings at multiple frequencies, and 7000-hour endurance at 105°C, it fits designs that need reliable energy storage and smoothing in a small radial-can package.

This part is ideal for engineers designing switching power supplies, DC–DC converters, and automotive power subsystems who require a verified, AEC-Q200 rated electrolytic capacitor with predictable leakage, ripple handling, and thermal endurance.

Request a quote or contact sales to discuss availability, lead times, and how UPW1J331MHD can meet your design requirements.