UKL1E681MHD

The UKL1E681MHD is a low-leakage aluminum electrolytic capacitor in a radial can package, specified at 680 µF with a 25 V rating and ±20% tolerance. It delivers controlled leakage and defined ripple-current performance for audio-focused electronic applications.

This part is supplied with 5 mm lead spacing and a compact φ12.5 × 25 mm can size. It is RoHS compliant and available in Bulk (no terminal forming) or Bag packing. Status: End Of Life; products in this series are scheduled to be discontinued and are not recommended for new designs.

Key Features

• Capacitance & Tolerance — 680 µF nominal capacitance with ±20% tolerance (120 Hz, 20°C).
• Voltage Rating — Rated for 25 V operation.
• Low Leakage Current — Specified leakage current of 34 µA at 20°C, supporting designs where minimal leakage is required.
• Ripple Current Performance — Low-frequency ripple current: 810 mA at 120 Hz; high-frequency ripple current: 1.215 A at 10 kHz, enabling effective smoothing across a range of signal frequencies.
• Endurance & Temperature Range — Rated life of 2000 hours at 85°C with an operating temperature range of −40°C to +85°C.
• Package & Mounting — Radial lead, polar can with dimensions φ12.5 × 25 mm, lead spacing 5 mm (±0.5 mm), and seated height up to 25 mm for through-hole PCB mounting.
• Compliance & Packaging — RoHS compliant; available in Bulk (no terminal forming) or Bag packing for volume or service replacement procurement.

Typical Applications

• Audio systems — Designed for audio electronics where low leakage and defined ripple handling improve power supply stability and performance.
• Audio amplifiers — Suitable for amplifier circuits requiring bulk capacitance and controlled leakage at 25 V.
• Audio electronics maintenance & repair — Appropriate for sustaining or repairing legacy audio equipment that uses radial electrolytic capacitors with these dimensions and ratings.

Unique Advantages

• Low leakage for stable biasing — 34 µA leakage current helps maintain bias stability in sensitive audio circuits.
• Broad ripple-frequency capability — Rated ripple current across 120 Hz and 10 kHz (810 mA and 1.215 A respectively) supports both power-line and higher-frequency smoothing needs.
• Compact radial can — φ12.5 × 25 mm package with 5 mm lead spacing provides a compact through-hole footprint for retrofit and service applications.
• Durability at elevated temperature — 2000 hours endurance at 85°C provides specification-backed longevity for operating environments up to 85°C.
• RoHS compliant — Meets RoHS requirements for regulated material content.
• Flexible procurement — Available in Bulk or Bag packing to suit rework, repair, or low-volume production requirements.

Why Choose UKL1E681MHD?

UKL1E681MHD combines substantial bulk capacitance with low leakage and defined ripple-current ratings in a compact radial package, making it a practical choice where those specific electrical and dimensional attributes are required. Its 25 V rating, 680 µF capacitance, and endurance specification provide verifiable parameters for designers and technicians working with audio equipment and compatible legacy systems.

Given the product status, UKL1E681MHD is particularly suited for repair, replacement, or sustainment of existing designs that require a part with these exact specifications. Use this part when the listed electrical, mechanical, and environmental characteristics align with your requirements.

If you would like pricing, availability, or to request a quote for UKL1E681MHD, please contact sales or submit a quote request for this part number.