UPW1E392MHD

The UPW1E392MHD is a high-reliability, miniature aluminum electrolytic capacitor in a radial lead can designed for demanding power applications. It provides 3900 µF capacitance at 25 V in the UPW series architecture, delivering compact bulk energy storage and low impedance performance for switching power supplies and related power-management circuits.

Built for extended operation across a wide temperature range, this radial-lead capacitor is specified for automotive-capable designs with AEC-Q200 rating and long endurance at elevated temperature, making it suitable where sustained ripple handling and thermal robustness are required.

Key Features

• Capacitance and Voltage — 3.9 mF (3900 µF) nominal capacitance at a 25 V rated voltage, providing substantial bulk charge storage for power rails and hold-up functions.
• Low Impedance — Rated impedance of 32 mΩ supports effective ripple suppression and fast transient response in power converters.
• High Ripple Current Capability — Low-frequency ripple current 2.678 A (120 Hz) and high-frequency ripple current 3.15 A (10 kHz) for reliable operation under switching conditions.
• High Reliability Endurance — 8000 hours lifetime at 105°C, enabling long-term performance in elevated-temperature environments.
• Wide Operating Temperature — Specified from −55°C to +105°C to cover a broad range of industrial and automotive ambient conditions.
• Precision Characteristics — Capacitance tolerance of −20% to +20% and tanδ (DF) of 0.18 measured at 20°C, 120 Hz for predictable AC behavior.
• Radial Lead Package — φ16 × 35.5 mm can with 7.5 mm lead spacing (±0.5 mm) for through-hole mounting and straightforward board-level implementation.
• Leakage Current — Specified leakage current of 2925 µA, supporting design margin calculations for standby and bias conditions.

Typical Applications

• Switching Power Supplies — Bulk filtering and output smoothing to reduce ripple and stabilize DC outputs in SMPS topologies.
• DC-DC Converters and Power Modules — Energy storage and transient support where high ripple current capability and low impedance are required.
• Automotive Electronics — Use in automotive electronic control units and power subsystems where AEC-Q200 qualification and extended temperature performance are required.
• Hold-up and Rail Stabilization — Bulk capacitance for short-term energy buffering and voltage stabilization during load transients or brief power interruptions.

Unique Advantages

• High Capacitance in a Compact Can — 3900 µF in a φ16 × 35.5 mm package reduces board area for bulk energy storage versus larger alternatives.
• Measured Low Impedance — 32 mΩ impedance enables improved ripple attenuation and lower power dissipation under AC loading.
• Designed for High Ripple Environments — Specified LF and HF ripple currents (2.678 A / 3.15 A) allow robust operation in high-frequency switching applications.
• Long High-Temperature Life — 8000 hours at 105°C supports extended field life in thermally stressed installations.
• Automotive-Grade Reliability — AEC-Q200 rating and a −55°C to +105°C operating range support use in automotive and harsh-environment electronics.
• Through-Hole Mechanical Simplicity — Radial lead format with standard 7.5 mm spacing simplifies mounting and replacement in board-level designs.

Why Choose UPW1E392MHD?

The UPW1E392MHD combines substantial bulk capacitance, low impedance, and high ripple-current capability in a compact radial-lead can. Its long endurance at 105°C and AEC-Q200 rating make it well suited to engineers designing robust power subsystems for industrial and automotive environments where thermal and electrical stresses are common.

Choose this part when you need predictable smoothing and energy storage with clear, verifiable specifications for capacitance, impedance, ripple handling, and lifetime—supporting dependable designs and simplified BOM choices with a proven UPW-series construction.

Request a quote or submit a request for pricing and lead-time information to evaluate UPW1E392MHD for your next power design project.