UPHW6151MHD

The UPHW6151MHD is a miniature, high-reliability aluminum electrolytic capacitor from Nichicon’s UPH series. This radial-lead, polarized capacitor delivers 150 µF at a rated voltage of 420 V in a compact φ18 × 35.5 mm can, optimized for general-purpose and ballast applications.

Designed for demanding power environments, the UPHW6151MHD offers high ripple-handling capability and extended load life at elevated temperature, making it suitable for industrial and commercial power circuits that require stable capacitance and long-term reliability.

Key Features

• High Rated Voltage: 420 V rating supports high-voltage power circuits and applications requiring robust DC bus capacitance.
• 150 µF Capacitance: Provides substantial energy storage in a compact radial can (φ18 × 35.5 mm) for smoothing and decoupling tasks.
• Low-Frequency and High-Frequency Ripple Capability: Rated ripple currents of 920 mA at 120 Hz and 1.38 A at 10 kHz enable effective filtering across a wide frequency range. Frequency coefficients apply (e.g., 1.00 at 120 Hz, 1.50 at 10 kHz or more).
• Loss Tangent (tan δ): tan δ = 0.20 (measured at 20°C, 120 Hz for 420 V), supporting predictable dissipation characteristics in AC environments.
• Extended Load Life: 2000 hours at 105°C with specified endurance characteristics, delivering long-term performance under elevated temperature and bias.
• Wide Operating Temperature: –40°C to +105°C to accommodate a broad range of environmental conditions.
• Radial Lead Package and Compact Footprint: φ18 mm diameter, 35.5 mm length, 7.5 mm lead spacing (±0.5 mm); available in bulk (no terminal forming) or bag packing for processing flexibility.
• RoHS Compliant: Conforms to RoHS requirements as stated in the product data.

Typical Applications

• Ballast Applications: Explicitly suited for ballast use as noted in the UPH series datasheet, providing the ripple and life characteristics required for lighting ballast circuits.
• General-Purpose Power Circuits: Used in general-purpose power and control circuits where 420 V rated capacitance and high ripple handling are required.
• Industrial and Commercial Equipment: Compact high-voltage energy storage for power supplies and control modules in industrial or commercial systems operating within –40°C to +105°C.

Unique Advantages

• High-voltage energy density: 150 µF at 420 V in a miniature φ18 × 35.5 mm can reduces board space compared with larger housings while delivering required capacitance.
• Broad ripple-frequency capability: Specified ripple currents at 120 Hz and 10 kHz, with frequency coefficients available, let designers size components for both low- and high-frequency filtering.
• Proven endurance at elevated temperature: 2000 hours at 105°C ensures predictable aging and lifetime behavior for high-temperature applications.
• Controlled dissipation: tan δ = 0.20 (at 20°C, 120 Hz) provides a clear reference for thermal and loss budgeting in designs.
• Serviceable radial-lead form factor: 7.5 mm lead spacing and standard radial can simplify through-hole assembly and replacement workflows.
• Regulatory compliance: RoHS compliance supports use in markets that require restricted-substance conformity.

Why Choose UPHW6151MHD?

The UPHW6151MHD combines high-voltage capability, substantial capacitance, and robust ripple performance in a compact radial-lead package, making it a practical choice for engineers designing power circuits and ballast systems that require reliable long-term operation at elevated temperatures. Its documented endurance of 2000 hours at 105°C and well-defined electrical characteristics (leakage, tan δ, ripple current) help simplify component selection and thermal design considerations.

This part is ideal for projects where space is constrained but high-voltage energy storage and reliable ripple handling are essential. With RoHS compliance and standard radial packaging options, UPHW6151MHD integrates readily into procurement and manufacturing flows for industrial and commercial power designs.

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