UPJ1A101MED

The UPJ1A101MED is a Nichicon UPJ series aluminum electrolytic capacitor: 100 µF nominal capacitance rated for 10 V, in a compact radial-leaded can (φ6.3 × 11 mm). It is designed for low impedance performance and intended primary use in switching power supplies and general-purpose power filtering.

Key electrical and reliability attributes include a low loss tangent (tanδ 0.19 at 20°C, 120 Hz, 10 V), specified ripple current ratings for both low and high frequencies, low leakage current, and an operating temperature range from −55°C to 105°C with a 2000-hour endurance at 105°C.

Key Features

• Electrical Performance — 100 µF capacitance at 10 V nominal with ±20% tolerance, providing bulk energy storage and smoothing in compact power designs.
• Low Impedance / Low Loss — tanδ (DF) 0.19 measured at 20°C, 120 Hz and 10 V for reduced ESR-related losses in switching environments.
• Ripple Current Ratings — Low-frequency ripple current 70.2 mA (120 Hz) and high-frequency ripple current 135 mA (200 kHz) to support both line-frequency and switching ripple handling.
• Low Leakage Current — Leakage current specified at 30 µA (after 1 minute at rated voltage, 20°C) to minimize standby losses.
• Temperature and Endurance — Operates from −55°C to 105°C with a rated endurance of 2000 hours at 105°C.
• Compact Radial Package — Small can size (φ6.3 × 11 mm) with 2.5 mm lead spacing (±0.5 mm) for easy radial mounting and dense PCB placement.
• Compliance — RoHS compliant.

Typical Applications

• Switching Power Supplies — Low impedance and specified ripple current ratings make this capacitor suitable for output smoothing and decoupling in switching regulators.
• General-Purpose Power Filtering — Bulk smoothing and line-frequency filtering in compact power modules and consumer electronics.
• Embedded Power Rails — Local decoupling and energy storage for low-voltage point-of-load circuits that require compact radial components.

Unique Advantages

• Low loss tangent for efficient operation: tanδ 0.19 at 10 V and 120 Hz reduces heat generation and ESR-related inefficiencies in power circuits.
• Dual-frequency ripple capability: Rated ripple currents for both 120 Hz and 200 kHz enable use across line-frequency and high-frequency switching stages.
• Wide temperature range: −55°C to 105°C supports designs exposed to varied thermal environments.
• Compact footprint: φ6.3 × 11 mm can size with 2.5 mm lead spacing fits dense PCB layouts where space is limited.
• Low leakage: 30 µA leakage current minimizes idle power draw in standby conditions.
• Endurance at elevated temperature: 2000 hours at 105°C provides predictable lifetime performance for thermal-stressed applications.

Why Choose UPJ1A101MED?

UPJ1A101MED delivers a focused combination of low impedance, compact packaging, and specified ripple handling that matches the needs of designers building switching power supplies and general-purpose power filtering solutions. Its low loss tangent and low leakage current contribute to efficient, thermally stable operation in compact boards.

This part is appropriate for engineers and purchasers looking for a small radial electrolytic capacitor with clear, verifiable electrical and environmental specifications (−55°C to 105°C, RoHS compliant) and defined endurance at elevated temperature.

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