UPH2W121MHD

The UPH2W121MHD is a high‑voltage, miniature aluminum electrolytic capacitor from Nichicon's UPH series. It is a polarized, radial‑lead can designed for high ripple current and long endurance in demanding thermal environments.

Targeted for ballast and general‑purpose high‑voltage applications, this capacitor delivers 120 µF at 450 V with a compact radial package and RoHS compliance for contemporary electronics manufacturing.

Key Features

• High Voltage Rating — Rated at 450 V, suitable for high‑voltage applications requiring compact electrolytic capacitance.
• Capacitance — 120 µF nominal capacitance with ±20% tolerance at 120 Hz, 20°C.
• High Ripple Current — 820 mA at 120 Hz (105°C) and 1.23 A at 10 kHz, enabling effective AC ripple handling in power circuits.
• Long Load Life — Endurance rated for 2000 hours at 105°C under DC bias plus rated ripple current, with specified limits for capacitance change, tan δ, and leakage current.
• Wide Temperature Range — Operating from −40°C to +105°C to support elevated operating temperatures.
• Radial Lead Can Package — Radial lead mounting with 7.5 mm lead spacing in a compact can-style package (L: 4 × D: 1.6 cm), simplifying PCB through-hole placement.
• Electrical Characteristics — Leakage current specified as ≤ 0.04CV + 100 µA (after 1 minute at 20°C); tan δ maximum 0.20 at 450 V (measured at 120 Hz, 20°C).
• Frequency Performance — Datasheet frequency coefficients for rated ripple current provide predictable ripple capability across 60 Hz to ≥10 kHz operation.
• RoHS Compliant — Meets the RoHS Directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Ballasts and Lighting Drivers — Specifically suited for ballast applications where high voltage and reliable ripple handling are required.
• High‑Voltage Power Electronics — Compact option for circuits that require 450 V capacitance in a radial can package.
• General‑Purpose Power Circuits — Useful in a variety of general‑purpose power applications that need long life at elevated temperature and robust ripple performance.

Unique Advantages

• High ripple capability: Rated ripple current values at 120 Hz and 10 kHz allow designers to size capacitance for real-world AC stress and thermal loading.
• Proven endurance: 2000‑hour load life at 105°C provides predictable aging characteristics for long‑term designs.
• Compact radial package: Miniature can with radial leads and 7.5 mm spacing simplifies board layout for through‑hole assemblies.
• Clear electrical limits: Specified leakage current formula and tan δ limits enable accurate reliability and thermal calculations.
• RoHS compliance: Meets current RoHS requirements for use in regulated production environments.

Why Choose UPH2W121MHD?

The UPH2W121MHD combines a 450 V rating with 120 µF capacitance in a compact radial can, making it a straightforward choice for high‑voltage, high‑ripple applications such as ballasts and general power electronics. Its 2000‑hour endurance at 105°C and defined electrical limits give designers measurable reliability for long‑life assemblies.

This part is appropriate for engineers and procurement teams seeking a Nichicon UPH‑series solution when compact size, high voltage, and robust ripple handling are required, while maintaining RoHS compliance for modern manufacturing needs.

For pricing, availability, or to request a quote for UPH2W121MHD, please submit a request through your preferred quotation channel or contact our distribution team to receive a tailored quote and lead‑time information.