UAS2G390MHD6

The UAS2G390MHD6 is a miniature radial-lead aluminum electrolytic capacitor from Nichicon's UAS series. It delivers 39 µF capacitance at a 400 V rating in a compact φ18 × 20 mm can with a 7.5 mm lead spacing, designed for general-purpose electronic use.

This part combines wide operating temperature capability (−40 °C to 105 °C), high ripple-current performance, and an endurance rating of 2000 hours at 105 °C, making it suitable for applications that require dependable DC voltage handling and long-term stability.

Key Features

• Capacitance & Voltage: 39 µF nominal capacitance with a 400 V rated voltage, providing energy storage for medium-voltage general-purpose circuits.
• Miniature Radial Can Package: φ18 × 20 mm can with radial lead configuration and 7.5 mm lead spacing (±0.5 mm), enabling compact through-hole implementations.
• Wide Temperature Range: Rated for −40 °C to +105 °C, supporting operation across broad environmental conditions.
• High Ripple Current Capability: Low-frequency ripple current 255 mA (120 Hz) and high-frequency ripple current 408 mA (10 kHz), suitable for circuits with significant AC ripple components.
• Loss Characteristics: Tangent of loss angle (tan δ) 0.15 measured at 20 °C, 120 Hz, supporting predictable dissipation behavior.
• Leakage Current Specification: Leakage current listed at 724 µA (measured after 1 minute at 20 °C per datasheet conditions), enabling designers to budget standby and quiescent currents.
• Endurance & Shelf Life: Rated endurance of 2000 hours at 105 °C with specified D.C. bias plus rated ripple; shelf-life recovery specified after 1000 hours at 105 °C.
• Safety Features: UAS series includes improved safety measures for abnormal overvoltage conditions; pressure relief venting is designed to operate without flames or hazardous dispersion.
• Compliance & Packaging: RoHS-compliant and available in bulk (no terminal forming) or bag packing for flexible procurement and assembly handling.

Typical Applications

• General-purpose electronic circuits: Use where a compact 39 µF, 400 V electrolytic is required for energy storage or decoupling in through-hole designs.
• Power supply components: Suitable for designs that require rated ripple handling and medium-voltage DC smoothing within the specified temperature and endurance limits.
• Industrial and commercial equipment: Applicable in equipment requiring wide operating temperature range and robust end-of-life performance defined by the 2000-hour endurance at 105 °C.

Unique Advantages

• Compact high-voltage option: 39 µF at 400 V in a φ18 × 20 mm package enables space-efficient designs without reducing voltage capability.
• Measured ripple ratings: Explicit low- and high-frequency ripple current specifications (255 mA at 120 Hz, 408 mA at 10 kHz) let engineers size capacitors for real ripple conditions.
• Defined endurance: 2000 hours at 105 °C with post-test specifications for capacitance, tan δ, and leakage current support predictable long-term behavior.
• Safety-minded design: Pressure relief venting and UAS series’ permissible abnormal voltage characteristics enhance operational safety under abnormal conditions.
• Regulatory compliance: RoHS-compliant construction supports environmentally regulated product builds.

Why Choose UAS2G390MHD6?

UAS2G390MHD6 positions itself as a dependable, compact electrolytic solution for designers needing a 39 µF capacitor rated to 400 V with clearly specified ripple performance and endurance. Its radial-can format and 7.5 mm lead spacing make it straightforward to integrate into through-hole PCBs where size, voltage rating, and thermal endurance are key considerations.

This part is well suited to engineers and procurement teams focused on reliable, verifiable component specifications: measurable leakage and tan δ, explicit ripple ratings at low and high frequencies, and endurance/shelf-life data that help plan lifecycle and maintenance schedules. RoHS compliance and standard packaging options simplify production and regulatory alignment.

If you would like pricing, availability, or a formal quote for UAS2G390MHD6, please submit a quote request or product inquiry to receive detailed purchasing information and lead-time estimates.