GYF1V391MCQ1GS

The GYF1V391MCQ1GS is a conductive polymer hybrid aluminum electrolytic capacitor in a surface-mount radial can package. Designed for demanding thermal and ripple environments, it delivers high capacitance (390 µF) at 35 V with low ESR and extended high-temperature life for robust power filtering and energy buffering.

Targeted applications include automotive electronics and battery management systems (BMS), where AEC-Q200 qualification, wide temperature operation (−55 °C to 125 °C) and long endurance (4000 hours at 125 °C) are required.

Key Features

• Core Capacitance and Voltage — 390 µF rated capacitance with a 35 V rating and ±20% tolerance, providing stable bulk capacitance for power rails and decoupling.
• Low ESR and High Ripple Capability — ESR specified at 20 mΩ (100 kHz, 20 °C) with high-frequency ripple current of 2.8 A (100 kHz) and low-frequency ripple current of 420 mA (120 Hz), enabling efficient handling of switching and pulsating loads.
• High-Temperature Endurance — Rated for operation from −55 °C to 125 °C with an endurance life of 4000 hours at 125 °C under D.C. bias plus rated ripple current.
• Reliability and Qualification — AEC-Q200 rated and manufactured for high reliability; datasheet specifies limits for capacitance change, tan δ, ESR and leakage after endurance and damp-heat tests.
• Compact Surface-Mount Package — φ10 × 10 mm radial can SMD package with embossed carrier taping for automated placement; surface-mount land size specification provided for PCB design.
• Leakage and Polarization — Polarized capacitor with a specified leakage current (example: 0.01CV µA after 2 minutes at 20 °C) and a measured value of 136.5 µA for the part as listed.
• Environmental Compliance — RoHS compliant to applicable directives.

Typical Applications

• Automotive Electronics — Use in automotive power systems and modules that require AEC-Q200 qualification and reliable operation across −55 °C to 125 °C.
• Battery Management Systems (BMS) — Suited for BMS circuits that demand high ripple handling, low resistance and long life at elevated temperatures.
• High-Ripple Power Modules — Ideal for power converters and switching supplies that impose high-frequency ripple and require low ESR bulk capacitance.

Unique Advantages

• High ripple current handling: Combines low ESR (20 mΩ at 100 kHz) with 2.8 A high-frequency ripple capability to improve thermal margin and reduce stress on downstream components.
• Extended high-temperature lifetime: 4000 hours at 125 °C endurance provides predictable performance and lifecycle planning for harsh environments.
• AEC-Q200 qualification: Enables use in applications with automotive reliability requirements, backed by specified endurance and damp-heat test limits.
• Compact SMD form factor: φ10 × 10 mm radial can with embossed carrier taping supports automated assembly while delivering high capacitance in a small footprint.
• Verified electrical limits: Specified leakage current, capacitance tolerance, and ESR values allow direct comparison and predictable BOM performance.
• RoHS compliance: Meets environmental directives for use in regulated product builds.

Why Choose GYF1V391MCQ1GS?

GYF1V391MCQ1GS positions itself as a robust, high-capacitance surface-mount solution for designs that require low ESR, strong ripple-handling capability and extended operation at elevated temperatures. Its AEC-Q200 rating and 4000-hour life at 125 °C make it suitable for engineers specifying components for demanding automotive and battery-management environments.

Choose this part when you need predictable high-temperature endurance, measurable ESR and ripple specifications, and a compact SMD package that supports automated assembly and reliable field performance.

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