UKL2A1R5MDD

The UKL2A1R5MDD is a Nichicon UKL series aluminum electrolytic capacitor engineered for low leakage current in a compact radial-lead can. It delivers 1.5 µF capacitance at a 100 V rating with a low dissipation factor, making it well suited to precision audio and compact analog circuits.

With a small φ5 × 11 mm case, polarized radial leads and an operating range of −40 °C to +85 °C, this part balances a high voltage rating, low leakage (0.3 µA) and defined ripple-handling capability for space-constrained designs.

Key Features

• Low Leakage Current: Specified leakage current of 0.3 µA measured under rated conditions, supporting stable DC bias and reduced idle current in sensitive circuits.
• Electrical Performance: 1.5 µF capacitance with tolerance −20% to +20% and a tanδ (DF) of 0.07 measured at 20 °C, 120 Hz, providing predictable impedance and loss behavior in audio-frequency applications.
• High Voltage Rating: 100 V nominal rated voltage for increased headroom in high-voltage analog stages and power rails.
• Ripple Current Capability: Low-frequency ripple current 23 mA at 120 Hz and high-frequency ripple current 46 mA at 10 kHz, enabling effective smoothing and decoupling across audio and higher-frequency domains.
• Compact Radial Package: φ5 × 11 mm aluminum can with radial leads and 2 mm lead spacing (±0.5 mm), suitable for through-hole placement in tight layouts.
• Endurance and Temperature Range: Rated for 2000 hours at 85 °C and operating between −40 °C and +85 °C, delivering defined lifetime behavior for moderate-temperature applications.
• Packaging Options: Available in bulk (no terminal forming) or bag packing to support prototype and production handling preferences.
• RoHS Compliant: Conforms to RoHS requirements for environmental compliance.

Typical Applications

• Audio signal coupling: Use as DC blocking and coupling capacitors in preamplifiers and signal paths where low leakage preserves bias points and signal integrity.
• Audio power supply decoupling: Effective for smoothing and decoupling in audio power rails thanks to its 100 V rating and defined ripple-current characteristics.
• Compact audio modules: Small φ5 × 11 mm can and radial lead format fit space-constrained boards for portable or modular audio equipment.

Unique Advantages

• Stable bias with minimal bleed: The 0.3 µA leakage current specification helps maintain DC operating points in sensitive analog and audio circuits.
• High-voltage capability in a small footprint: 100 V rating in a φ5 × 11 mm package provides headroom without compromising board space.
• Low dissipation factor: tanδ of 0.07 at 20 °C, 120 Hz reduces loss and contributes to consistent frequency response in audio paths.
• Defined ripple handling across frequencies: Specified ripple currents at 120 Hz and 10 kHz allow designers to size capacitors for both power and higher-frequency decoupling needs.
• Predictable lifetime: 2000 hours at 85 °C gives a clear endurance metric for thermal planning and maintenance schedules.
• Flexible supply formats: Bulk and bag packing options simplify inventory and assembly workflows.

Why Choose UKL2A1R5MDD?

UKL2A1R5MDD combines Nichicon's UKL series low-leakage design with a compact radial can and a high 100 V rating, delivering a precise, low-loss capacitor option for audio-focused and analog applications where leakage and size matter. Its measured tanδ, controlled ripple-current specifications and 2000-hour endurance at 85 °C provide clear, engineering-grade performance parameters for reliable circuit design.

This part is appropriate for engineers and buyers specifying through-hole components for preamplifiers, supply decoupling and compact audio modules who need verifiable electrical and mechanical data from a recognized manufacturer.

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