UCJ1A331MCL1GS

The UCJ1A331MCL1GS is a chip-type aluminum electrolytic capacitor designed for high-temperature operation up to +125°C. It combines a compact surface-mount can package with specifications aimed at reliable performance in demanding environments.

With a rated capacitance of 330 µF at 10 V, defined low-temperature ESR behavior, carrier-tape compatibility for automated placement, and AEC-Q200 qualification, this part targets automotive and other high-temperature electronic applications that require stable filtering and decoupling over wide temperature ranges.

Key Features

• Package & Mounting — Chip-type radial can in an SMD-compatible package designed for automatic mounting from carrier tape; surface mount land size specified as 1.03 × 1.03 cm.
• Capacitance & Voltage — 330 µF rated capacitance at 10 V with ±20% tolerance, suitable for bulk filtering and decoupling in compact assemblies.
• Temperature Range — Rated for continuous operation from −40 °C to +125 °C, supporting high-temperature system designs.
• Low‑Temperature ESR Specification — ESR performance is specified following the −40 °C test, and impedance ratio Z(−40 °C)/Z(+20 °C) is defined for the 10 V rating, supporting predictable low-temperature behavior.
• Ripple Current Capability — Specified ripple current of 200 mA at 120 Hz and 400 mA at 10 kHz for AC ripple handling across frequency ranges.
• Endurance & Reliability — Rated for 2000 hours at 125 °C with capacitance change within ±30%, tan δ within specified limits (≤ 300% of initial specified value after test), and leakage current remaining within initial limits after endurance testing.
• Soldering Resistance — Meets resistance-to-soldering-heat requirements (250 °C hot plate for 30 s) with capacitance change within ±10% and leakage/tan δ within initial limits after recovery to 20 °C.
• Compliance & Marking — RoHS compliant and AEC-Q200 qualified; case top marked with black print for easy identification.

Typical Applications

• Automotive electronics — Bulk filtering and decoupling in control modules and power systems where AEC-Q200 qualification and +125 °C operation are required.
• Power management modules — Input/output smoothing and ripple suppression in high-temperature power supplies and DC–DC converters, leveraging specified ripple current ratings.
• Industrial controls — Capacitor for electronics exposed to elevated ambient temperatures and thermal cycling, using defined endurance and soldering-heat resistance.
• Sensors and instrumentation — Local energy storage and noise suppression near sensing and analog front-end circuits where stable capacitance and defined low-temperature impedance are important.

Unique Advantages

• High-temperature capability — Rated operation to +125 °C supports deployment in thermally demanding environments without derating the capacitor’s core specification.
• AEC-Q200 qualified — Qualification supports designs requiring proven reliability for automotive and similarly rigorous applications.
• Defined low-temperature performance — ESR and impedance behavior after −40 °C testing are specified, enabling predictable performance across the full −40 °C to +125 °C range.
• Robust endurance — 2000 hours at 125 °C with controlled limits for capacitance change, tan δ, and leakage current provides measurable lifetime data for design validation.
• Assembly-ready format — Carrier-tape feed compatibility and SMD can package streamline automated PCB assembly.
• Frequency ripple handling — Explicit ripple current ratings at 120 Hz and 10 kHz allow engineers to size the part for both low- and high-frequency ripple environments.

Why Choose UCJ1A331MCL1GS?

UCJ1A331MCL1GS delivers a balanced combination of high-temperature endurance, defined low-temperature ESR behavior, and assembly-friendly packaging. Its AEC-Q200 qualification and RoHS compliance make it a suitable choice for engineers designing robust electronics for automotive and industrial applications that must tolerate wide temperature swings and sustained elevated operating temperatures.

This capacitor is ideal for designs that require measurable lifetime data (2000 hours at 125 °C), compact SMD integration, and known ripple-current performance across common frequency bands—helping reduce uncertainty during validation and accelerate integration into production assemblies.

Request a quote or submit an inquiry to receive pricing, availability, and assistance integrating UCJ1A331MCL1GS into your next high-temperature design.