UPM1J181MPD

The UPM1J181MPD is a miniature, high-reliability aluminum electrolytic capacitor from the Nichicon UPM series. It is a radial-lead, polarized electrolytic capacitor specified at 180 µF and 63 V, designed for low-impedance performance and extended life in demanding environments.

Targeted for automotive and other high-reliability power applications, the UPM1J181MPD combines a broad operating temperature range (‑55°C to +105°C), AEC‑Q200 qualification, and a 5000‑hour endurance at 105°C to support sustained performance under thermal and electrical stress.

Key Features

• High Capacitance and Voltage: 180 µF nominal capacitance rated at 63 V for energy storage and bulk decoupling in power rails.
• Low Impedance: Typical impedance of 75 mΩ helps reduce voltage ripple and improve transient response in power circuits.
• High Ripple Handling: Rated low-frequency ripple current of 426.6 mA (120 Hz) and high-frequency ripple current of 790 mA (200 kHz) for robust filtering across a range of switching frequencies.
• Long Endurance: Life/endurance specified at 5000 hours at 105°C, supporting long-term reliability in elevated-temperature applications.
• Temperature Range: Operates from ‑55°C to +105°C to accommodate wide ambient and operational temperature swings.
• Compact Radial Package: Cylindrical can with dimensions φ10 × 30.5 mm and 5 mm lead spacing (±0.5 mm), suitable for point-to-point and through-hole PCB layouts.
• Quality & Compliance: AEC‑Q200 rated and RoHS compliant for use in regulated and automotive environments.

Typical Applications

• Automotive Power Systems: Bulk decoupling and smoothing in automotive electronic control units where AEC‑Q200 qualification and elevated temperature endurance are required.
• Power Filtering for DC/DC Converters: Low impedance and high ripple current capability make it suitable for input/output filtering in converter circuits.
• Embedded and Industrial Electronics: Energy storage and transient suppression in systems that require reliable operation from ‑55°C to +105°C.

Unique Advantages

• Extended High‑Temperature Life: 5000 hours at 105°C provides design assurance for prolonged high-temperature operation and reduces replacement frequency.
• Low Loss at Rated Voltage: tan δ of 0.08 (measured at 20°C, 120 Hz) supports efficient energy transfer with low dissipation in the specified conditions.
• Measured Ripple Performance: Specified ripple current values at both low and high frequencies enable predictable thermal and electrical behavior in switching and linear supplies.
• Automotive‑Level Qualification: AEC‑Q200 rating aligns the component with automotive development and validation processes for higher reliability programs.
• Compact Through‑Hole Form Factor: φ10 × 30.5 mm radial can and 5 mm lead spacing simplify layout for legacy through‑hole assemblies and robust mechanical mounting.

Why Choose UPM1J181MPD?

UPM1J181MPD positions itself as a compact, high-reliability aluminum electrolytic solution for engineers building systems that demand low impedance, predictable ripple handling, and extended life at elevated temperatures. With AEC‑Q200 qualification, RoHS compliance, and clearly specified electrical characteristics, it fits engineering and procurement needs for applications requiring automotive‑grade endurance and proven performance.

This part is suitable for designs that prioritize durable power filtering and bulk energy storage in constrained through‑hole layouts. Its combination of capacitance, voltage rating, ripple capability, and thermal endurance helps reduce risk across long production cycles and harsh operating environments.

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