UHW1E332MHD6

The UHW1E332MHD6 from Nichicon is a miniature, high-reliability aluminum electrolytic capacitor in a radial lead can. It delivers 3300 µF capacitance at a 25 V rating with a compact φ16 × 25 mm case and 7.5 mm lead spacing for through-hole mounting.

Designed for general-purpose electronic equipment, this part combines low impedance, high allowable ripple current, and long endurance to support power filtering and smoothing in environments that require operation from −40°C to +105°C.

Key Features

• Capacitance & Voltage: 3300 µF nominal capacitance with tolerance −20% to +20% at a rated voltage of 25 V.
• Low Impedance: Specified impedance of 39 mΩ, providing reduced voltage ripple under load.
• High Ripple Current Capability: Low-frequency ripple current 2.857 A at 120 Hz and high-frequency ripple current 3.81 A at 10 kHz, enabling sustained AC stress handling.
• Endurance / High-Temperature Life: Life rating of 10000 hours at 105°C, supporting long-term operation at elevated temperatures.
• Temperature Range: Rated for operation from −40°C to +105°C for wide environmental compatibility.
• Dissipation & Leakage: Tangent of loss angle (tanδ) 0.17 (measured at 20°C, 120 Hz) and leakage current 825 µA.
• Package & Mounting: Radial lead can, size φ16 × 25L with 7.5 mm lead spacing and lead spacing tolerance ±0.5 mm; available in bulk (no terminal forming) or bag packing.
• Compliance & Production Status: RoHS-compliant and listed as mass production.

Typical Applications

• General-purpose electronic equipment: Use where a 25 V, 3300 µF radial electrolytic capacitor is needed for energy storage and smoothing in through-hole assemblies.
• Power supply filtering: Low impedance and specified ripple current ratings make this part suitable for AC ripple reduction and smoothing tasks at both low and high frequencies.
• High-temperature environments: Components requiring extended life at elevated temperature can benefit from the 10000-hour rating at 105°C.

Unique Advantages

• High ripple endurance: Explicit low- and high-frequency ripple current specifications (2.857 A at 120 Hz; 3.81 A at 10 kHz) provide clear design limits for AC stress.
• Compact, through-hole form factor: φ16 × 25L radial can and 7.5 mm lead spacing combine a small footprint with easy PCB through-hole assembly.
• Predictable high-temperature lifetime: 10000 hours at 105°C gives a measurable baseline for thermal endurance in demanding applications.
• Low impedance performance: 39 mΩ impedance supports reduced ripple and better transient response in power circuits.
• Measured dissipation and leakage: tanδ of 0.17 (20°C, 120 Hz) and leakage current of 825 µA provide defined loss and leakage characteristics for reliable design margining.
• RoHS-compliant production: Meets RoHS requirements and is available in mass production packaging options (bulk or bag).

Why Choose UHW1E332MHD6?

The UHW1E332MHD6 positions itself as a compact, durable electrolytic solution when designers need high capacitance and controlled ripple performance in through-hole assemblies. Its combination of low impedance, quantified ripple current capability, and a 10000-hour life rating at 105°C makes it suitable for designs that demand measurable reliability and predictable behavior under thermal and AC stress.

This Nichicon UHW-series radial capacitor is a practical choice for engineers and procurement teams specifying general-purpose power filtering and energy storage where clear electrical and mechanical specifications—3300 µF, 25 V, φ16 × 25 mm—are required alongside RoHS compliance and production availability.

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