UPJ2W4R7MHD

The UPJ2W4R7MHD is a miniature, high-reliability aluminum electrolytic capacitor in a radial-lead can designed for general-purpose power applications. This polarized 4.7 µF, 450 V unit combines a compact φ12.5 × 25 mm package with engineered low impedance and defined ripple performance for power filtering and energy-storage tasks.

Targeted use cases include switching power supplies and power-conversion modules where a high-voltage rating, compact footprint, and extended life at elevated temperature are required. The UPJ2W4R7MHD delivers specified endurance and temperature capability to support robust designs.

Key Features

• Capacitance & Tolerance — 4.7 µF nominal capacitance with tolerance of −20% to +20% for predictable filtering performance.
• High Voltage Rating — Rated at 450 V to support high-voltage DC bus and power conversion circuits.
• Low Impedance, Ripple Performance — Low-frequency ripple current 55 mA (120 Hz) and high-frequency ripple current 88 mA (200 kHz) to manage AC ripple in switching environments.
• Endurance at Elevated Temperature — Rated life of 5000 hours at 105°C, supporting sustained operation in hot conditions.
• Operating Temperature Range — −25°C to +105°C, suitable for a range of industrial operating environments.
• Leakage Current — Specified leakage current of 184.6 µA, useful for estimating standby and bias losses in power designs.
• Radial Lead Package — φ12.5 mm can with 25 mm length, radial-lead mounting and 5 mm lead spacing (±0.5 mm) for through-hole assembly and mechanical robustness.
• Polarized Construction — Designed as a polarized electrolytic capacitor for DC applications requiring polarized components.
• RoHS Compliant & Packaging — RoHS-compliant and available in bulk (no terminal forming) or bag packing for flexible procurement and handling.

Typical Applications

• Switching Power Supplies — Use for output smoothing and bulk decoupling where low impedance and defined ripple capability help stabilize DC outputs.
• Power Conversion Modules — Suitable for DC bus filtering and energy storage in compact converters that require a high-voltage, small-footprint electrolytic.
• Industrial Power Electronics — Filtering and transient handling in industrial supplies and control equipment operating up to 105°C.
• General-Purpose Power Filtering — Decoupling and ripple reduction in a variety of high-voltage DC applications requiring a polarized electrolytic solution.

Unique Advantages

• High Voltage in a Small Can — 450 V rating combined with a φ12.5 × 25 mm package makes it practical for space-constrained, high-voltage designs.
• Defined Ripple Ratings — Rated ripple currents at both low and high frequencies allow designers to size and model thermal and lifetime impacts more accurately.
• Long Endurance at 105°C — 5000-hour life at elevated temperature supports longer service intervals in demanding thermal environments.
• Through-Hole Robustness — Radial-lead form and standard 5 mm lead spacing facilitate mechanical stability and easy manual or wave-solder assembly.
• Predictable Leakage for Power Budgets — Specified leakage current (184.6 µA) helps with standby current and bias calculations in power designs.

Why Choose UPJ2W4R7MHD?

UPJ2W4R7MHD positions itself as a compact, high-voltage electrolytic capacitor for designers who need a reliable polarized component with clear ripple and endurance specifications. Its combination of 4.7 µF capacitance at 450 V, low-impedance behavior, and 5000-hour endurance at 105°C makes it appropriate for switching supplies, power modules, and industrial power electronics where long-term thermal performance matters.

This part is suited to engineers seeking a through-hole, radial-lead solution that balances a small mechanical footprint with high-voltage capability and measurable ripple and leakage characteristics. The RoHS compliance and standard packaging options help simplify procurement and assembly planning.

Request a quote or contact sales to discuss availability, lead times, and ordering options for UPJ2W4R7MHD.