UYA1K431MNJ1MS

The UYA1K431MNJ1MS is a chip‑type aluminum electrolytic capacitor designed for surface‑mount applications requiring extended high‑temperature endurance. This SMD radial can delivers 430 µF at 80 V in a compact chip form factor and is intended for use in electronics exposed to elevated operating temperatures.

Key attributes include a rated operating range of −40°C to +125°C with a guaranteed load life of 5000 hours at +125°C, AEC‑Q200 qualification, and compatibility with automatic mounting machines fed by carrier tape. The part is RoHS compliant.

Key Features

• Capacitance and Voltage: 430 µF nominal capacitance at a rated voltage of 80 V, with polarization for DC applications.
• High‑Temperature Endurance: Rated for −40°C to +125°C and specified for 5000 hours at +125°C, ensuring stable performance in hot environments.
• AEC‑Q200 Qualified: Meets AEC‑Q200 reliability requirements for use in qualified electronic systems.
• Automated Assembly Ready: Chip type packaged for automatic mounting machines fed with carrier tape to support high‑volume production.
• Ripple Current Ratings: 750 mA at 120 Hz and 1.5 A at 10 kHz, suitable for smoothing and filtering in power circuits subject to varying frequency ripple.
• Electrical Stability: Capacitance tolerance −20% to +20%; tan δ max of 0.12 at 120 Hz for the 80 V rating, and impedance ratio at −40°C is 3× Z at +20°C for the 80 V variant.
• Leakage Current Specification: After 2 minutes’ application of rated voltage at 20°C, leakage current is ≤ 0.01CV or 3 µA, whichever is greater.
• Soldering Heat Resistance & Endurance: Meets resistance to soldering heat (30 s at 250°C hot plate) with capacitance change within ±10%; endurance after 5000 h at 125°C is capacitance change within ±30%, tan δ ≤ 300% of initial specified value, and leakage current ≤ initial specified value.
• Package & Mounting: Surface‑mount radial can package with part dimensions L: 2.15 cm × D: 1.6 cm and recommended land pattern L: 1.63 cm × W: 1.63 cm.
• Environmental Compliance: RoHS directive compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• Automotive Electronics: Power filtering and energy storage in control modules and subsystems where AEC‑Q200 qualification and high‑temperature endurance are required.
• Power Supply Filtering: Bulk and smoothing capacitor for DC‑DC converters and power rails operating at elevated temperatures and requiring reliable ripple handling.
• Industrial and Harsh‑Environment Electronics: High‑temperature industrial controllers and power electronics that need long life at +125°C.

Unique Advantages

• Extended High‑Temperature Life: 5000 hours at +125°C provides predictable long‑term performance in hot operating conditions.
• Automated Assembly Compatibility: Carrier‑tape feed compatibility simplifies high‑volume PCB assembly and reduces handling time.
• Qualified for Reliability: AEC‑Q200 qualification supports design confidence for applications with demanding reliability requirements.
• Measurable Ripple Capability: Specified ripple current values at 120 Hz and 10 kHz allow designers to size the capacitor for real ripple conditions.
• Robust Soldering and Endurance Specs: Proven resistance to soldering heat and defined endurance limits reduce rework risk and support predictable lifetime planning.

Why Choose UYA1K431MNJ1MS?

UYA1K431MNJ1MS positions itself as a robust SMD aluminum electrolytic solution where high capacitance, high voltage, and elevated‑temperature endurance are required. With AEC‑Q200 qualification, defined ripple current ratings, and a 5000‑hour life at +125°C, it is suited to designs that demand reliable bulk energy storage and filtering in harsh thermal environments.

This part is particularly appropriate for engineers developing automotive and industrial power systems that require automated assembly readiness, clear electrical limits (leakage, tan δ, impedance), and conformity to RoHS directives for environmental compliance.

If you would like pricing, availability, or a formal quote for UYA1K431MNJ1MS, please request a quote or contact sales for assistance with your order and technical questions.