PCW0E391MCO1GS

The PCW0E391MCO1GS is a conductive polymer aluminum solid electrolytic chip capacitor designed for high-temperature, high‑ripple applications. It delivers low ESR and high ripple-current capability in a compact surface‑mount package, making it suitable for robust power filtering and energy-storage tasks in demanding environments.

Engineered for reliability, this part is AEC‑Q200 qualified, RoHS compliant, and specified for operation from −55 °C to +125 °C with a ripple‑load lifetime of 2000 hours at 125 °C.

Key Features

• Capacitance and Voltage — 390 µF rated at 2.5 V with ±20% tolerance (measured at 120 Hz, 20 °C).
• Low ESR — 15 mΩ equivalent series resistance specified at 100 kHz, supporting efficient high‑frequency performance.
• High Ripple Current Capability — 945 mA at 120 Hz and 1.89 A at 100 kHz, enabling effective smoothing in high‑ripple power circuits.
• High‑Temperature Endurance — Rated for operation from −55 °C to +125 °C with a ripple load life of 2000 hours at 125 °C.
• SMD, Lead‑Free Reflow Compatible — Chip‑type SMD package compatible with lead‑free reflow; specified for peak reflow up to 260 °C (single cycle per datasheet guidance).
• AEC‑Q200 Qualified and RoHS Compliant — Designed to meet automotive‑grade reliability requirements and RoHS (2011/65/EU, (EU)2015/863) environmental standards.
• Compact Package — Small footprint with dimensions L: 6 × D: 6.3 mm and recommended PCB land 6.6 × 6.6 mm for space‑constrained designs.

Typical Applications

• Automotive Electronics — Use in vehicle power systems and control modules that require AEC‑Q200 qualification and durable high‑temperature performance.
• Communication Equipment — Bulk and decoupling capacitance for RF front‑end and baseband power rails where low ESR and high ripple handling improve stability.
• Power Supply Filtering — Smoothing and energy buffering for DC‑DC converters and power rails that demand high ripple current capability and low impedance at high frequency.

Unique Advantages

• Reliable High‑Temperature Operation: Specified for −55 °C to +125 °C with 2000 h ripple‑load life at 125 °C, supporting long‑term performance in elevated temperatures.
• Improved Efficiency with Low ESR: 15 mΩ ESR at 100 kHz minimizes losses and voltage drop under high‑frequency load conditions.
• High Ripple Current Handling: Rated at 945 mA (120 Hz) and 1.89 A (100 kHz) to address demanding ripple environments without premature degradation.
• Automotive‑Grade Qualification: AEC‑Q200 rating provides a clear reliability baseline for automotive and similarly demanding applications.
• Assembly‑Ready SMD Form Factor: Chip‑type SMD with lead‑free reflow compatibility up to 260 °C simplifies integration into modern surface‑mount production flows.
• Regulatory Compliance: RoHS conformity supports environmentally regulated product programs.

Why Choose PCW0E391MCO1GS?

The PCW0E391MCO1GS combines conductive‑polymer performance with a compact SMD footprint to deliver low ESR, high ripple tolerance, and rated reliability at elevated temperatures. Its AEC‑Q200 qualification and RoHS compliance make it a strong candidate for regulated, high‑reliability designs that require consistent performance over long lifetimes.

This part is well suited to engineers specifying capacitors for power filtering and energy buffering in automotive, communication, and other high‑stress environments where temperature endurance, ripple handling, and low impedance are primary selection criteria.

Request a quote or submit an inquiry for PCW0E391MCO1GS to receive pricing, availability, and technical support for integration into your next design.