UKL1H681KHD

The UKL1H681KHD is a radial-lead aluminum electrolytic capacitor in Nichicon’s UKL low-leakage series. It delivers 680 µF capacitance at a 50 V rating with a compact φ16 × 25 mm can and 7.5 mm lead spacing, designed for board-mounted power filtering in audio and related electronics.

Key value comes from low leakage and measurable ripple handling across low and high frequencies, alongside a specified 2000-hour endurance at 85°C and RoHS compliance—features that simplify power decoupling and smoothing in size-constrained audio designs.

Key Features

• Capacitance & Tolerance — 680 µF nominal capacitance with ±10% tolerance for predictable filtering and energy storage.
• Voltage Rating — 50 V rated voltage suitable for a wide range of audio power supply rails and intermediate DC buss applications.
• Low Leakage — Measured leakage current of 68 µA supports stable biasing and minimal DC loss in sensitive circuits.
• Ripple Current Performance — Low-frequency ripple current of 910 mA at 120 Hz and high-frequency ripple current of 1.365 A at 10 kHz for effective smoothing across audio and switching frequencies.
• Reliability & Endurance — Designed for 2000 hours of operation at 85°C, providing defined lifetime expectation for thermal-stressed applications.
• Package & Mounting — Radial lead, can-style package (φ16 × 25 mm) with 7.5 mm lead spacing and bulk/bag packing options for through-hole assembly and manual or wave solder workflows.
• Operating Temperature Range — Specified for −40°C to +85°C to cover a broad range of operating environments.
• Compliance — RoHS-compliant construction for regulatory conformity in commercial electronic products.

Typical Applications

• Audio Power Supply Filtering — Bulk and decoupling capacitance for amplifier and preamplifier rails, helping reduce hum and supply ripple.
• Audio Signal Conditioning — Supply smoothing and coupling support in audio electronics where low leakage is beneficial to maintain bias stability.
• Consumer Audio Equipment — Through-hole, radial format fits traditional PCB layouts for speakers, receivers, and powered audio accessories.

Unique Advantages

• Low Standby Losses — 68 µA leakage current minimizes DC loss, preserving bias points and reducing idle power draw in audio circuits.
• Frequency-Spanning Ripple Capability — Specified ripple ratings at 120 Hz and 10 kHz provide confidence across both linear and switching environments common in audio power chains.
• Compact Through-Hole Footprint — φ16 × 25 mm can and 7.5 mm lead spacing deliver substantial capacitance in a small radial package for space-constrained PCBs.
• Defined Thermal Endurance — 2000-hour rating at 85°C supports predictable lifetime planning under elevated operating temperatures.
• RoHS-Compliant — Environmentally compliant materials ease integration into commercial product lines requiring lead-free components.
• Flexible Packaging — Available in bulk (no terminal forming) or bag packing to suit different assembly workflows and procurement preferences.

Why Choose UKL1H681KHD?

The UKL1H681KHD balances substantial 680 µF capacitance and a 50 V rating with low leakage and measured ripple performance, making it a practical choice for audio-related power filtering and decoupling where stable bias and low DC loss matter. Its compact radial-can package and defined 2000-hour endurance at 85°C let designers manage board space and thermal expectations with clear specifications.

This part is suitable for engineers and procurement teams specifying through-hole electrolytic capacitors in consumer and professional audio equipment that require RoHS compliance and reliable ripple handling across low and high frequencies.

If you would like pricing, availability, or a formal quote for UKL1H681KHD, please request a quote or contact sales to submit your requirements and quantities.