UCA2E220MHD

The UCA2E220MHD is a miniature, radial-lead aluminum electrolytic capacitor offering 22 µF capacitance at a 250 V rating. It is designed for general-purpose electronic assemblies where high ripple current handling and extended operating life are required.

Suited for power supply and ballast applications, this polarized radial-can capacitor combines a compact footprint with a long rated life of 12,000 hours at 105°C. The part is RoHS compliant. Note: this model is scheduled for discontinuation and is not recommended for new designs.

Key Features

• Capacitance & Voltage — 22 µF rated capacitance at 250 V, with a tolerance of ±20% (measured at 120 Hz, 20°C).
• High Ripple Current — Rated ripple current of 600 mA at 100 kHz (high frequency) and 300 mA at 120 Hz (low frequency), supporting demanding AC loading in power applications.
• Long Life — Specified endurance of 12,000 hours at 105°C under rated conditions, providing predictable life performance for thermal stress environments.
• Electrical Losses & Leakage — Tangent of loss angle (tan δ) of 0.15 at 120 Hz, 20°C for the 250 V rating; specified leakage current of 320 µA (after 1 minute at 20°C).
• Temperature Range — Operates across −25°C to +105°C, suitable for a wide range of industrial ambient conditions.
• Radial Through-Hole Package — Radial, can-style package with 5.0 mm lead spacing and polarized configuration for through-hole mounting and secure mechanical retention.
• Compact Footprint — Size dimensions: length 2.0 cm × diameter 1.25 cm, with a maximum seated height of 2.0 cm, enabling space-conscious board layouts.
• Regulatory — RoHS compliant construction.

Typical Applications

• Power Supplies — Smoothing and bulk decoupling in switch-mode and linear power supplies where high ripple current capability improves thermal and electrical stability.
• Ballast Equipment — Designed for ballast applications called out in the product literature, delivering the ripple tolerance and longevity required for lamp drive circuits.
• General-Purpose Industrial Electronics — Through-hole radial mounting and a compact can package make it suitable for a variety of industrial control and power-conditioning boards.

Unique Advantages

• High ripple handling — 600 mA at 100 kHz and 300 mA at 120 Hz reduce temperature rise and extend operating life under AC stress.
• Predictable long-term performance — 12,000-hour rated life at 105°C offers clear reliability planning for thermal designs.
• Compact radial can — Small physical dimensions and 5 mm lead spacing enable denser through-hole layouts without sacrificing capacitance.
• Low-loss behavior — tan δ of 0.15 at the 250 V rating supports efficient energy storage with controlled dissipation.
• Polarized, through-hole robustness — Radial lead configuration provides mechanical stability for applications subject to vibration or handling.
• RoHS compliant — Meets environmental directive requirements for lead-free assembly environments.

Why Choose UCA2E220MHD?

The UCA2E220MHD is positioned for designs that require a compact, high-ripple-capacity electrolytic capacitor with an extended rated life at elevated temperature. Its combination of 22 µF at 250 V, robust ripple ratings, and 12,000-hour life at 105°C make it suitable for established power-supply and ballast applications where through-hole mounting and reliable thermal performance are priorities.

This part is best for maintenance, repair, or legacy assemblies already qualified on the UCA series. Because the model is scheduled for discontinuation and not recommended for new designs, use it where existing form-fit-function replacement is required rather than for new product introductions.

Request a quote or submit a parts inquiry to receive pricing and availability details for UCA2E220MHD and to discuss lead times for existing production requirements.