UBR2W161MND

The UBR2W161MND is a 160 µF, 450 V polarized aluminum electrolytic capacitor in a compact radial can package from Nichicon's UBR series. It is designed for high‑voltage, high‑ripple applications and offers long life performance specified for demanding power environments.

Typical use cases include communication base station power supplies and general‑purpose power systems that require a compact 450 V capacitor with extended endurance and reliable ripple handling.

Key Features

• Electrical Characteristics — 160 µF nominal capacitance with ±20% tolerance and a rated voltage of 450 V suited for high‑voltage DC applications.
• High Ripple Capability — Rated ripple current values include 1.12 A at 120 Hz and 1.68 A at 100 kHz; frequency coefficient data in the datasheet supports higher ripple at higher frequencies.
• Extended Temperature and Life — Operating temperature range from -40 °C to +125 °C with a specified load life of 5000 hours at 125 °C when D.C. bias plus rated ripple current is applied and peak voltage does not exceed the rated voltage.
• Low Loss and Leakage — Tangent of loss angle (tan δ) of 0.24 at 120 Hz, 20 °C, and leakage current specified by I = 0.04CV + 100 (µA) after one minute at 20 °C.
• Compact Radial Can Package — Radial lead mounting with 7.5 mm lead spacing and a case size of 18 × 46 mm (L × D), listed as 4.6 × 1.8 cm overall, enabling tight PCB layouts.
• Environmental Compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Communication Base Station Power Supplies — Used for bulk energy storage and smoothing in high‑voltage supply stages where high ripple tolerance and long life at elevated temperature are required.
• General‑Purpose Power Supplies — Suitable for general‑purpose high‑voltage designs that need a compact polarized capacitor rated to 450 V.
• Industrial Power Systems — Applicable where high operating temperature range (-40 °C to +125 °C) and endurance (5000 h at 125 °C) are necessary for reliable operation.

Unique Advantages

• High Voltage Capability: 450 V rating allows use in elevated DC bus and high‑voltage power rails without series stacking.
• Long Life at Elevated Temperature: Rated load life of 5000 hours at 125 °C provides predictable endurance for harsh thermal environments.
• High Ripple Handling: Rated ripple current values (1.12 A at 120 Hz, 1.68 A at 100 kHz) and documented frequency coefficients enable designers to size for real‑world AC stress.
• Compact Footprint: 18 × 46 mm radial can with 7.5 mm lead spacing balances capacitance and high‑voltage capability in a small package for dense power assemblies.
• Measured Loss and Leakage Specs: tan δ = 0.24 and a defined leakage current formula (I = 0.04CV + 100 µA) provide clear criteria for thermal and leakage budgeting in designs.
• Regulatory Compliance: RoHS conformity supports use in designs targeting global market requirements for hazardous substance restrictions.

Why Choose UBR2W161MND?

The UBR2W161MND combines a 450 V rating, 160 µF capacitance, and a compact radial can to deliver a practical solution for high‑voltage power stages where ripple endurance and long operating life are priorities. Its specified ripple current characteristics, leakage formula, and tan δ value let engineers predict performance and design robust DC link and smoothing networks.

Produced by Nichicon and specified for 5000 hours at 125 °C, this capacitor is appropriate for designers of communication base station power supplies and other high‑voltage, high‑temperature power systems seeking a proven, compact electrolytic solution that aligns with RoHS requirements.

Request a quote or contact sales for availability and pricing information to discuss how UBR2W161MND fits your next high‑voltage power design.