UPT2W181MRD

The UPT2W181MRD is a radial-lead aluminum electrolytic capacitor in Nichicon’s UPT series, optimized for applications that require high ripple current handling and extended operational life. It delivers 180 µF at a 450 V rating in a compact can-style package designed for general-purpose power electronics.

With an operating temperature range from –40°C to +105°C and a rated life of 5000 hours at 105°C, this part targets industrial and power-system applications—such as ballasts and other circuits—where sustained ripple endurance and long-term reliability are required.

Key Features

• Capacitance & Voltage — 180 µF capacitance with a 450 V rated voltage for energy storage and DC filtering in high-voltage circuits.
• High Ripple Current — Rated ripple: 1.1 A at 120 Hz and 1.76 A at 10 kHz, supporting heavy AC ripple and demanding power-conditioning tasks.
• Long Life at Elevated Temperature — Endurance specified as 5000 hours at 105°C under DC bias plus rated ripple, with capacitance change within ±20% after the test.
• Wide Temperature Range — Specified operation from –40°C to +105°C to accommodate a range of industrial environments.
• Compact Radial Can Package — Radial lead mounting, lead spacing 1.25 cm and package dimensions L: 5 × D: 2.5 cm for space-efficient board layouts.
• Polarized Electrolytic Design — Intended for DC applications where polarized capacitance is required; capacitance tolerance ±20%.
• RoHS Compliant — Conforms to RoHS directive requirements for restricted substances.

Typical Applications

• Ballasts and Lamp Drivers — Suited for ballast applications where sustained ripple current capability and long life are important.
• Power Supplies — DC filtering and energy storage in general-purpose power supply circuits requiring 450 V ratings.
• Industrial Power Electronics — Use in industrial systems that demand components rated for –40°C to +105°C and extended life under ripple stress.

Unique Advantages

• High-voltage, high-capacitance combination — 180 µF at 450 V provides substantial energy storage for compact high-voltage designs.
• Designed for ripple-intensive environments — Specified ripple current values at both 120 Hz and 10 kHz support robust AC ripple handling across frequencies.
• Proven long-term endurance — 5000 hours at 105°C with defined limits on capacitance change and leakage current supports predictable lifetime planning.
• Compact radial-can form factor — Small footprint with radial leads and 1.25 cm lead spacing simplifies placement in crowded power assemblies.
• Regulatory compliance — RoHS compliance reduces complexity for designs targeting regulated markets.

Why Choose UPT2W181MRD?

UPT2W181MRD is positioned for engineers who need a compact, high-voltage electrolytic capacitor that balances high ripple capability with long operational life. Its combination of 180 µF at 450 V, defined ripple ratings at multiple frequencies, and a 5000-hour life at 105°C makes it suitable for sustained-duty power electronics and ballast applications.

This part is ideal for design teams focused on reliable, general-purpose power components that meet RoHS requirements and operate across –40°C to +105°C. Choosing UPT2W181MRD supports predictable performance and lifecycle planning in industrial and high-voltage power designs.

Request a quote or submit a parts inquiry to receive pricing and availability for UPT2W181MRD and to begin the procurement process.