URS1A103MHD

The URS1A103MHD is a radial-lead aluminum electrolytic capacitor providing 10,000 µF capacitance at a 10 V rating. It is a compact, low‑profile can style capacitor designed for general-purpose electronic applications that require substantial bulk capacitance and robust ripple handling.

Key technical attributes include a wide operating temperature range of −40°C to 85°C, endurance of 2000 hours at 85°C, and high ripple current capability across low and high frequencies—making it suitable where energy storage and smoothing are required in through-hole PCB assemblies.

Key Features

• High capacitance, low-voltage: 10,000 µF (10 mF) nominal capacitance at a rated voltage of 10 V, providing significant bulk energy storage for low-voltage rails.
• Radial lead, can package: Through-hole radial-lead mounting simplifies PCB assembly and mechanical retention; package size φ18 × 25 mm (φ18×25L) with 7.5 mm lead spacing (±0.5 mm).
• Wide temperature and endurance: Operating range −40°C to 85°C with a guaranteed life of 2000 hours at 85°C under rated voltage.
• High ripple current capability: Low-frequency ripple current 2.35 A at 120 Hz and high-frequency ripple current 2.703 A at 10 kHz to support dynamic load conditions.
• Electrical losses and leakage: Measured tangent of loss angle (tanδ) 0.42 (20°C, 120 Hz) and specified leakage current 3000 µA, useful for thermal and bias budgeting in designs.
• Capacitance tolerance: ±20% at 20°C, 120 Hz, enabling predictable bulk behavior in decoupling and filtering applications.

Typical Applications

• General-purpose power supply smoothing: Bulk smoothing and energy storage on low-voltage DC rails where large capacitance is required.
• Industrial and control electronics: Decoupling and transient buffering for control boards and power modules operating within −40°C to 85°C.
• Consumer and commercial equipment: Bulk reservoir capacitor for power circuits in general-purpose electronic devices assembled with radial through-hole components.

Unique Advantages

• Substantial bulk energy storage: 10,000 µF provides pronounced smoothing capability, reducing ripple on low-voltage rails and supporting transient loads.
• Designed for through-hole assembly: Radial-lead configuration and standardized lead spacing (7.5 mm) make PCB placement and hand or wave soldering straightforward.
• Measured ripple performance: Specified ripple currents at both 120 Hz and 10 kHz allow designers to assess thermal and lifetime impact across expected operating spectra.
• Robust thermal endurance: 2000 hours at 85°C under rated voltage supports reliable operation in elevated-temperature environments within the specified range.
• Compact footprint for its capacitance: φ18 × 25 mm can body delivers high capacitance in a relatively small radial package for space-constrained boards.

Why Choose URS1A103MHD?

URS1A103MHD combines very high capacitance with a low-voltage rating in a compact radial-lead aluminum electrolytic package, making it a practical choice for designers needing large bulk storage and smoothing in general-purpose electronics. Its specified ripple current figures and 2000-hour endurance at 85°C let engineers evaluate lifetime and thermal trade-offs precisely.

This part suits through-hole designs that require predictable capacitance tolerance and electrical-loss characteristics (tanδ) for budgeting ESR-related heating and leakage. Use it where reliable bulk capacitance, straightforward mounting, and clear performance data are primary selection criteria.

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