UPW1E332MHD

The UPW1E332MHD is a miniature aluminum electrolytic capacitor from Nichicon's UPW series designed for low impedance and high reliability in switching power supply applications. It is a polarized, radial‑lead can intended for designs where compact size, high ripple capability, and elevated temperature endurance are required.

With an operating temperature range of −55°C to 105°C and AEC‑Q200 rating, this part addresses demanding environments including automotive electronics and industrial power modules that require long service life and robust ripple performance.

Key Features

• Capacitance & Voltage: 3.3 mF capacitance rated at 25 V for bulk energy storage and smoothing in low‑voltage power rails.
• Low Impedance: 36 mΩ impedance to reduce voltage ripple and improve transient response in switching power supplies.
• High Ripple Handling: Ripple current of 2.558 A at 120 Hz and 3.01 A at 10 kHz for effective dissipation of AC components across a wide frequency range.
• Temperature & Lifetime: Wide operating range of −55°C to 105°C with endurance specified as 8000 hours at 105°C for extended reliability in high‑temperature applications.
• Automotive Qualification: AEC‑Q200 rating for elevated reliability requirements in automotive electronic systems.
• Radial Lead Package: Radial, can‑style package with 7.5 mm lead spacing suitable for through‑hole mounting and robust soldered connections.
• Tolerance & Polarity: ±20% capacitance tolerance and polarized construction; follow polarity markings for correct installation.
• Compact Footprint: Physical size L: 3.05 × D: 1.6 cm for space‑constrained power designs.

Typical Applications

• Switching Power Supplies: Output filtering and decoupling to reduce ripple and stabilize low‑voltage rails in SMPS designs.
• Automotive Electronics: Power smoothing and energy buffering in automotive control modules where AEC‑Q200 qualification is required.
• Industrial Power Modules: Bulk capacitance and ripple absorption in DC‑DC converters and power distribution assemblies operating at elevated temperatures.

Unique Advantages

• Reduced ripple and noise: Low 36 mΩ impedance combined with high ripple current capability lowers AC voltage fluctuations on power rails.
• Long high‑temperature life: 8000 hours at 105°C provides predictable long‑term performance in thermally demanding applications.
• Automotive‑grade reliability: AEC‑Q200 rating aligns the component with automotive qualification requirements for reliability‑focused designs.
• Compact, serviceable package: Radial lead can with 7.5 mm lead spacing offers straightforward through‑hole mounting and mechanical robustness.
• Clear electrical specification set: Defined capacitance, tolerance, impedance, and ripple current figures make design calculations and derating straightforward.

Why Choose UPW1E332MHD?

UPW1E332MHD combines a compact footprint with low impedance and documented ripple capability to address power filtering needs in switching supplies and automotive electronics. Its wide temperature range and 8000‑hour endurance at 105°C offer designers a reliable option for systems exposed to elevated operating temperatures and continuous ripple stress.

Manufactured by Nichicon and carrying an AEC‑Q200 rating, this capacitor is suited to engineers and procurement teams specifying components for robust, long‑lifecycle power designs that require verifiable electrical and environmental characteristics.

If you’d like pricing, availability, or a formal quote for UPW1E332MHD, submit a request and our team will respond with lead time and ordering information.