UKT1V103MRD

The UKT1V103MRD is a radial‑lead aluminum electrolytic capacitor designed for general audio equipment and other power‑filtering applications. It provides 10000 µF capacitance at a 35 V rating in a polar, through‑hole can package with 10 mm lead spacing, offering bulk energy storage and smoothing in demanding thermal environments.

Engineered for a wide operating range (−55 °C to +105 °C) and endurance (1000 hours at 105 °C), this part targets designs that require high capacitance, robust temperature performance, and qualification to industry reliability standards.

Key Features

• High Capacitance — 10000 µF nominal capacitance for bulk energy storage, low‑frequency smoothing, and stable supply decoupling in audio and power applications.
• Rated Voltage — 35 V nominal rating suitable for mid‑voltage power rails and amplifier supply stages.
• Wide Temperature Range — Operating temperature from −55 °C to +105 °C supports deployment in thermally demanding environments.
• Endurance and Reliability — Rated for 1000 hours at 105 °C with specified limits on capacitance change, tan δ, and leakage current after endurance testing.
• Ripple Current Capability — Specified ripple current of 2.65 A at 120 Hz and 3.047 A at 10 kHz for the 10000 µF size, with frequency coefficients provided in the series datasheet.
• Electrical Characteristics — Capacitance tolerance ±20% (120 Hz, 20 °C); tan δ (max.) for 35 V is 0.16; leakage current limits defined as 0.03CV after 1 minute and 0.01CV after 2 minutes under rated voltage at 20 °C.
• Package and Mounting — Radial lead, can style package (φ22 × 50 mm) with 10 mm lead spacing; lead diameter and case options follow the UKT series radial‑lead specifications.
• Standards and Compliance — AEC‑Q200 qualified and RoHS compliant, matching requirements for designs that reference industry reliability qualification and environmental directives.

Typical Applications

• Audio Power Supplies — Bulk smoothing and reservoir capacitance for amplifier rails and preamp power stages to maintain low‑frequency energy delivery.
• Amplifier and Speaker Systems — Energy storage for transient current demands in professional and consumer audio equipment.
• Automotive Audio Systems — With AEC‑Q200 qualification, suitable for audio and infotainment power filtering in vehicles where the electrical and thermal environment is demanding.
• Industrial Power Filtering — DC smoothing and decoupling in industrial control and signal systems operating across a wide temperature range.

Unique Advantages

• Large Energy Density: 10000 µF capacitance provides substantial charge storage for smoothing and transient support, reducing the need for parallel components.
• Designed for High Temperatures: 105 °C rated operation and 1000‑hour endurance at that temperature deliver predictable performance in hot operating conditions.
• Measured Ripple Performance: Specified ripple current at both low and high frequencies (120 Hz and 10 kHz) enables designers to evaluate thermal and ripple handling for their specific load profiles.
• Through‑Hole Robustness: Radial lead, can package with 10 mm lead spacing simplifies mounting, mechanical retention and prototyping for power assemblies.
• Industry Qualification: AEC‑Q200 qualification and RoHS compliance support use in regulated and long‑lifecycle applications where component traceability and standards matter.

Why Choose UKT1V103MRD?

UKT1V103MRD combines high capacitance and a mid‑range voltage rating in a rugged radial‑lead can designed for audio and power‑filtering roles. Its wide temperature capability (−55 °C to +105 °C), defined ripple current ratings, and 1000‑hour endurance at 105 °C make it a solid choice where thermal stability and sustained performance are required.

This part suits engineers specifying bulk storage and smoothing capacitors for audio electronics, industrial power rails, and vehicle audio systems that reference AEC‑Q200 qualification and RoHS compliance. Its mechanical form and electrical characteristics simplify BOM decisions when a high‑capacitance, through‑hole solution is needed.

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