UPS1J4R7MDD

The UPS1J4R7MDD is a miniature, low‑impedance aluminum electrolytic capacitor from Nichicon’s UPS series, designed for switching power supplies and general‑purpose electronic applications. It is a radial lead, polarized capacitor offering a compact can package and RoHS compliance for use in space‑constrained power and filter circuits.

Key value comes from its small footprint, wide operating temperature range and specified ripple handling, making it suitable where reliable decoupling and smoothing are required in compact assemblies.

Key Features

• Capacitance & Voltage — 4.7 µF rated capacitance at 63 V, suitable for DC decoupling and smoothing in power circuits.
• Miniature Radial Package — Radial can package with radial lead mounting and 2 mm lead spacing; overall size L: 1.1 × D: 0.5 cm and seated height max 1.1 cm for tight-board layouts.
• Wide Temperature Range — Operating temperature from −55 °C to +105 °C to support designs across broad environmental conditions.
• Low Impedance / Ripple Performance — Specified ripple current of 11.56 mA at 120 Hz and 68 mA at 10 kHz, supporting switching‑frequency filtering needs.
• Endurance — Rated life of 2000 hours at 105 °C, aligned to endurance testing in the UPS series.
• Tolerance & Polarity — Capacitance tolerance ±20% and polarized construction—observe correct polarity in application.
• Environmental Compliance — Compliant to the RoHS directive (2011/65/EU, (EU)2015/863).
• Leakage Current Specification (Series) — Series leakage current after 1 minute at 20 °C is not more than 0.03CV (µA), per UPS series specification.

Typical Applications

• Switching Power Supplies — Smoothing and decoupling at switching nodes where low impedance and compact size are required.
• General‑Purpose Power Filtering — Bulk decoupling and transient suppression in small power modules and board‑level power rails.
• Embedded and Compact Electronics — Space‑constrained designs that need reliable capacitance over a wide temperature range.

Unique Advantages

• Compact footprint for tight layouts: With dimensions of 1.1 × 0.5 cm and radial leads, the UPS1J4R7MDD fits small PCBs without sacrificing capacitance.
• Designed for switching environments: Low impedance and frequency‑rated ripple current values support effective filtering at common switching frequencies.
• Wide operating temperature window: −55 °C to +105 °C extends applicability across varied environmental conditions.
• Proven endurance rating: 2000 hours at 105 °C provides a measurable reliability baseline for thermal stress conditions.
• Regulatory compliance: RoHS compliance simplifies environmental tracking and regulatory alignment for manufactured products.
• Through‑hole mounting simplicity: Radial lead construction eases assembly and replacement in through‑hole or mixed‑technology boards.

Why Choose UPS1J4R7MDD?

The UPS1J4R7MDD is positioned for designers who need a compact, low‑impedance electrolytic capacitor for switching power and general‑purpose filtering in space‑limited assemblies. Its combination of a 4.7 µF / 63 V rating, specified ripple performance, and wide −55 °C to +105 °C operating range delivers a clear, verifiable specification set for reliable power conditioning.

Backed by Nichicon’s UPS series specifications—covering leakage current limits and endurance testing—this part offers a straightforward selection for engineers prioritizing predictable electrical behavior, thermal endurance, and RoHS compliance in their designs.

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