UCZ1H391MNS1MS

The UCZ1H391MNS1MS is a surface-mount aluminum electrolytic capacitor in Nichicon’s UCZ series, offering 390 µF capacitance at a 50 V rating. It combines a compact SMD can package (φ12.5 × 13.5L) with electrical characteristics tuned for high-temperature and high-ripple environments.

Designed for demanding systems, this capacitor supports high-frequency ripple handling and low ESR while meeting AEC-Q200 qualification and RoHS compliance, making it suitable for space-constrained power and control applications in automotive and industrial markets.

Key Features

• Electrical Performance 390 µF nominal capacitance with ±20% tolerance and a rated voltage of 50 V; tanδ (DF) specified at 0.16 (20°C, 120 Hz, 50 V).
• Low ESR for HF Applications ESR of 100 mΩ measured at 20°C/100 kHz, supporting efficient high-frequency decoupling and ripple absorption.
• High Ripple Current Capability Low-frequency ripple current 650 mA (120 Hz) and high-frequency ripple current 1.3 A (10 kHz) for robust performance under dynamic loads.
• High Temperature Endurance Rated for operation from −40°C to +125°C with an endurance rating of 3000 hours at 125°C.
• Compact SMD Can Package φ12.5 × 13.5L can (size L: 1.35 × D: 1.25 cm) optimized for automated placement; embossed carrier taping packaging for reel-fed assembly.
• Reliability Features Polarized design with specified leakage current (195 µA) and vibration resistance for mechanically demanding environments.
• Standards & Compliance AEC-Q200 qualified and RoHS compliant, suitable for designs requiring recognized reliability and environmental compliance.

Typical Applications

• Automotive Electronics Use in automotive control modules and power subsystems where AEC-Q200 qualification and high-temperature endurance are required.
• Power Supply Filtering Bulk and decoupling capacitor for DC-DC converters and power rails, leveraging 390 µF capacitance and low ESR at high frequency.
• Industrial Control Smoothing and energy buffering in industrial electronics that demand high ripple handling and long-term stability at elevated temperatures.

Unique Advantages

• High-temperature durability: 3000 hours endurance at 125°C provides predictable life performance in hot operating environments.
• High-frequency efficiency: 100 mΩ ESR at 100 kHz and 1.3 A HF ripple current enable effective high-speed filtering and noise suppression.
• Automotive-grade qualification: AEC-Q200 rating supports integration into safety- and reliability-focused automotive designs.
• Compact SMD form factor: φ12.5 × 13.5L can and embossed carrier taping simplify automated assembly in space-constrained PCBs.
• Robust leakage and dissipation characteristics: Specified leakage current (195 µA) and tanδ (0.16 at 20°C, 120 Hz, 50 V) aid predictable performance and thermal management.
• Vibration resistant: Built for mechanically demanding installations where vibration resistance is required.

Why Choose UCZ1H391MNS1MS?

The UCZ1H391MNS1MS positions itself as a reliable, compact aluminum electrolytic solution for designs that require high ripple handling, low ESR at high frequency, and sustained performance at elevated temperatures. Its AEC-Q200 qualification and RoHS compliance make it a practical choice for automotive and industrial applications where component reliability and regulatory compliance matter.

Engineers specifying this part gain a combination of electrical performance, mechanical robustness, and assembly-friendly packaging that delivers long-term value in production designs, especially where thermal endurance and high-frequency ripple management are priorities.

For pricing, lead-time, or to request a quote for UCZ1H391MNS1MS, please submit your request to the sales team or request a quote through the distributor channel. A product datasheet is available for detailed electrical and mechanical parameters.