UHW1V222MHD6

The UHW1V222MHD6 is a miniature, radial‑lead aluminum electrolytic capacitor in Nichicon’s UHW series designed for high ripple current and high reliability. It delivers 2200 µF capacitance at a 35 V rating in a compact φ16 × 25 mm can with polarized radial leads.

Engineered for general‑purpose power applications that require elevated ripple handling, long endurance and a wide operating temperature range, this part offers measurable performance attributes for compact power‑supply, decoupling and energy‑storage designs.

Key Features

• Capacitance & Voltage: 2200 µF nominal capacitance with a rated voltage of 35 V and capacitance tolerance of −20% to +20%.
• High ripple current capability: Rated low‑frequency ripple current of 2.857 A at 120 Hz and high‑frequency ripple current of 3.81 A at 10 kHz, supporting demanding ripple loads.
• Low impedance: Typical impedance of 39 mΩ, enabling improved high‑frequency performance and reduced voltage drop under ripple conditions.
• Thermal and endurance specification: Operates from −40°C to +105°C and rated for 10,000 hours at 105°C under DC bias plus rated ripple current.
• Loss characteristics and leakage: Tangent of loss angle (tan δ) of 0.13 at 20°C, 120 Hz (with capacitance‑dependent adjustment) and leakage current specified at 770 µA.
• Mechanical and mounting: Radial lead, polarized can package with φ16 mm diameter, 25 mm length, and 7.5 mm lead spacing (±0.5 mm); packaging available in bulk (no terminal forming) or bag packing.
• RoHS compliant: Conforms to RoHS requirements as indicated in the product information.

Typical Applications

• Power supply smoothing: Bulk capacitance and high ripple current ratings make it suitable for smoothing and filtering in compact linear and switching power supplies.
• DC‑DC converters: Low impedance and high‑frequency ripple capability support output decoupling and energy buffering in DC‑DC converter modules.
• Industrial controls and instrumentation: Long endurance at elevated temperature and robust leakage/tan δ characteristics support reliable operation in industrial electronics.
• Consumer and communications equipment: Compact φ16×25 mm size provides high capacitance density for space‑constrained designs needing general‑purpose bulk energy storage.

Unique Advantages

• High ripple handling: Rated ripple currents of 2.857 A (120 Hz) and 3.81 A (10 kHz) reduce the need for larger or multiple capacitors in high‑ripple circuits.
• Compact high capacitance: 2200 µF in a φ16 × 25 mm can enables significant capacitance density for space‑constrained boards.
• Long life at operating temperature: 10,000‑hour endurance at 105°C provides predictable wear‑out behavior for designs requiring extended thermal reliability.
• Low impedance for better regulation: 39 mΩ impedance helps maintain tighter voltage regulation under dynamic load and ripple conditions.
• Measured electrical performance: Specified tan δ and leakage current figures (0.13 and 770 µA respectively) give designers explicit parameters for loss and standby‑current budgeting.
• Flexible handling and assembly: Radial lead format and bulk/bag packaging options simplify prototyping and discrete assembly processes.

Why Choose UHW1V222MHD6?

The UHW1V222MHD6 combines a high nominal capacitance with strong ripple capability, low impedance and proven endurance at elevated temperature, making it a practical choice for engineers designing compact, reliable power systems. Its radial‑lead, polarized can form factor and clear electrical specifications simplify component selection and system‑level budgeting for capacitance, ripple handling and leakage.

This part is well suited to general‑purpose designs where sustained high ripple currents, long life at 105°C and a small board footprint are priorities. Choosing UHW1V222MHD6 provides defined, verifiable electrical and mechanical parameters that support predictable performance over the life of the product.

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