PCA1H121MCL2GS

The PCA1H121MCL2GS is a conductive polymer aluminum solid electrolytic chip capacitor from Nichicon's PCA series designed for high-reliability power applications. It delivers low ESR and high ripple-current capability in a surface-mount, lead‑free reflow compatible package.

Targeted use cases include automotive power electronics and other high-temperature, high-ripple environments that require long operational life and stable electrical performance up to 125°C.

Key Features

• Capacitance & Voltage — 120 µF rated at 50 V with ±20% tolerance (measured at 120 Hz, 20°C).
• Low ESR — Specified ESR of 25 mΩ at 100 kHz, 20°C for reduced power loss and improved transient response.
• High Ripple Current — Handles 1.85 A at 120 Hz and 3.7 A at 100 kHz, supporting demanding power-stage applications.
• Extended High‑Temperature Life — Designed for 4000 hours at 125°C under rated conditions to support long-term operation in hot environments.
• Wide Temperature Range — Operational from −55°C to +125°C for robust performance across harsh environments.
• Automotive Reliability — AEC‑Q200 compliant for use in automotive-grade designs.
• SMD, Lead‑Free Reflow Compatible — Chip-type, radial can SMD package compatible with lead‑free reflow soldering (260°C peak).
• Endurance & ESR Stability — ESR after endurance is specified at 100 kHz, −40°C, and the part meets defined endurance and damp‑heat criteria per the PCA series specifications.

Typical Applications

• Automotive Power Electronics — Bulk filtering and decoupling in ECUs, converters and in-vehicle power systems where AEC‑Q200 qualification and high-temperature life are required.
• DC–DC Converters — Output filtering and ripple suppression in power modules that demand low ESR and high ripple current capability.
• Industrial Power Supplies — Stable operation in elevated-temperature ambient conditions and high-duty power cycles.
• Power Stages and Motor Drives — Energy buffering and transient handling in motor control and power stage applications benefiting from low ESR and high ripple tolerance.

Unique Advantages

• High ripple-current handling: With 3.7 A at 100 kHz and 1.85 A at 120 Hz ratings, the capacitor supports demanding switching and power-conversion workloads.
• Low loss under high frequency: 25 mΩ ESR at 100 kHz reduces dissipation and improves converter efficiency and thermal performance.
• Long high‑temperature lifetime: 4000 hours at 125°C provides extended in‑service life for elevated-temperature applications.
• Automotive-ready qualification: AEC‑Q200 compliance enables use in automotive electronics that require industry-recognized reliability standards.
• Surface-mount, reflow-friendly package: Chip-type radial can SMD with lead‑free reflow compatibility to 260°C simplifies assembly in modern SMT processes.
• Wide operating temperature: −55°C to +125°C operation supports use across a broad range of environmental conditions.

Why Choose PCA1H121MCL2GS?

The PCA1H121MCL2GS blends conductive-polymer performance with a compact surface-mount radial can package to deliver low ESR, high ripple tolerance, and extended high-temperature life. Its AEC‑Q200 compliance and operating range to 125°C make it a practical choice for engineers building reliable power subsystems in automotive and industrial applications.

For designs that require measurable ESR stability after endurance, lead‑free reflow compatibility, and proven high-temperature endurance, this Nichicon PCA series part provides a verifiable specification set to simplify component selection and lifecycle planning.

Request a quote or contact sales to discuss availability, pricing, and part suitability for your design needs.