UPW1E820MED

The UPW1E820MED is a miniature, polarized aluminum electrolytic capacitor from Nichicon’s UPW series, engineered for low-impedance, high-reliability power applications. It is designed for through-hole radial-lead mounting and targets use in switching power supplies and automotive electronic modules.

With a 25 V rated voltage and 82 µF capacitance in a compact radial can, the part balances small footprint with specified ripple performance and extended high-temperature endurance for demanding power-conditioning tasks.

Key Features

• Electrical Rating — Rated at 25 V with 82 µF capacitance and ±20% tolerance, suitable for a range of low-voltage power rails.
• Low‑impedance performance — Series positioning indicates low impedance for switching power supplies; this part includes specified ripple current values of 188.5 mA at 120 Hz and 290 mA at 10 kHz.
• High-temperature endurance — Specified lifetime of 2000 hours at 105°C, supporting extended operation in elevated-temperature environments.
• Wide operating range — Rated for operation from –55°C to +105°C, enabling use across broad thermal conditions.
• Automotive reliability — Ratings include AEC-Q200, indicating qualification for automotive electronic applications.
• Leakage current specification — Series leakage current limit: after 1 minute at 20°C, leakage ≤ 0.03 × C × V (µA), supporting predictable bias behavior.
• Through‑hole radial package — Radial lead mounting with 2.5 mm lead spacing in a can-style package and compact dimensions (L: 1.1 × D: 0.63 cm) for straightforward PCB assembly.
• Polarized design — Standard polarized electrolytic construction for DC power filtering and smoothing applications.

Typical Applications

• Switching Power Supplies — Low impedance and specified ripple current figures make this capacitor suitable for decoupling and output filtering in switch-mode power supplies.
• Automotive Electronics — AEC-Q200 rating and operation to 105°C support use in automotive power-management modules and control units.
• Through‑hole Power Filtering — Compact radial can and 2.5 mm lead spacing enable easy implementation in through-hole or mixed-technology boards for power-conditioning tasks.

Unique Advantages

• Compact footprint: Small cylindrical dimensions (L: 1.1 × D: 0.63 cm) deliver 82 µF capacitance in a space-efficient package.
• Measurable ripple capability: Published ripple current ratings at 120 Hz and 10 kHz (188.5 mA and 290 mA respectively) allow designers to size components against known ripple loads.
• High-temperature durability: 2000 hours at 105°C provides a quantified endurance metric for thermal reliability planning.
• Automotive-grade qualification: AEC-Q200 rating signals suitability for automotive electronic designs that require validated component reliability.
• Predictable leakage behavior: Leakage current defined as 0.03CV (µA) after 1 minute supports predictable bias and start-up characteristics.
• Through‑hole assembly friendly: Radial lead form and 2.5 mm lead spacing simplify PCB placement and soldering for through-hole assemblies.

Why Choose UPW1E820MED?

UPW1E820MED combines a compact radial can package with clear electrical and endurance specifications to support power filtering and decoupling in switching supplies and automotive modules. Its AEC-Q200 rating, defined leakage limits, and published ripple current figures provide engineers with verifiable data for reliability and thermal planning.

Designed as part of Nichicon’s UPW series, this capacitor suits designs that require a small form factor, predictable ripple handling at typical switching frequencies, and quantified high-temperature lifetime performance.

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