GXC1H121MCW1GS

The GXC1H121MCW1GS is a conductive polymer hybrid aluminum electrolytic capacitor engineered for high-reliability applications. As a surface-mount, polarized chip-type capacitor in a radial can SMD package, it delivers low equivalent series resistance (ESR) and high ripple-current capability for demanding power functions.

Designed for use in automotive and other high-temperature environments, the device offers a rated capacitance of 120 µF at 50 V, a wide operating temperature range from −55 °C to +135 °C, and a long endurance life of 4000 hours at 135 °C. It is RoHS‑compliant and AEC‑Q200 qualified.

Key Features

• Core Technology Conductive polymer hybrid aluminum electrolytic architecture providing stable capacitance in a compact SMD radial can package.
• Capacitance & Voltage 120 µF rated capacitance at 50 V with ±20% tolerance for board-level bulk and smoothing tasks.
• Low ESR ESR ≤ 20 mΩ at 100 kHz (20 °C), supporting efficient high-frequency decoupling and reduced power loss.
• High Ripple Current Supports 3 A at 100 kHz (high frequency) and 450 mA at 120 Hz (low frequency), enabling robust handling of switching currents.
• High-Temperature Endurance Long life: 4000 hours at 135 °C under rated conditions; rated for continuous operation from −55 °C to +135 °C.
• Reliability & Standards AEC‑Q200 qualified and RoHS compliant; leakage current specified as ≤ 0.01CV (µA) after 2 minutes at 20 °C per datasheet.
• Package & Mounting Surface-mount radial can (chip type) with nominal dimensions L: 1.00 cm × D: 1.00 cm and recommended land size 1.03 cm × 1.03 cm.
• Polarization Polarized device for DC bulk energy storage and smoothing applications.

Typical Applications

• Automotive electronics — AEC‑Q200 qualification and 135 °C endurance make this capacitor suitable for automotive power modules and control electronics requiring high reliability.
• High-temperature power circuits — 4000 hours at 135 °C and −55 °C to +135 °C rating support designs exposed to elevated ambient temperatures.
• High-frequency power filtering — Low ESR (20 mΩ at 100 kHz) and 3 A ripple handling at 100 kHz enable effective decoupling in switching power stages.
• Compact surface-mount assemblies — Chip-type radial can SMD package and defined land size allow integration into space-constrained PCB layouts.

Unique Advantages

• Proven high-temperature durability: 4000-hour life rating at 135 °C provides predictable long-term performance in hot environments.
• Low ESR for efficient power delivery: 20 mΩ at 100 kHz reduces conduction losses and improves transient response in power systems.
• High ripple-current capability: 3 A (100 kHz) and 450 mA (120 Hz) ratings enable reliable operation under heavy switching loads.
• Automotive-grade qualification: AEC‑Q200 status supports designs that require standardized reliability verification.
• RoHS compliant: Meets environmental directive requirements for restricted substances.
• Compact SMD form factor: Chip-type radial can simplifies board-level placement while providing electrolytic capacitance density.

Why Choose GXC1H121MCW1GS?

The GXC1H121MCW1GS positions itself as a robust, high-reliability electrolytic solution for designs that demand low ESR, high ripple current capability, and extended high-temperature endurance. Its combination of conductive polymer hybrid technology, AEC‑Q200 qualification, and a −55 °C to +135 °C operating window makes it suitable for demanding automotive and industrial power applications where stability and longevity are essential.

Engineers specifying this capacitor will benefit from clear, measurable specifications—120 µF at 50 V, ESR ≤ 20 mΩ at 100 kHz, and a defined 4000‑hour life at 135 °C—helping to reduce risk in thermal and high-frequency power designs while simplifying qualification and integration.

Request a quote or contact sales to discuss availability, lead times, and how GXC1H121MCW1GS can integrate into your next high-reliability power design.