UHW2A101MHD6

The UHW2A101MHD6 is a radial-lead aluminum electrolytic capacitor from Nichicon’s UHW series, offering 100 µF capacitance with a 100 V rated voltage. It is a miniature, high-ripple-current, polarized capacitor designed for general-purpose electronic applications that require compact energy storage and stable performance over a wide temperature range.

Built for reliability, this part combines low impedance at higher frequencies with extended endurance (12,000 hours at 105°C) and RoHS compliance, making it suitable for assemblies where long life and effective ripple handling are required.

Key Features

• Capacitance & Voltage — 100 µF nominal capacitance with a 100 V rated voltage and a capacitance tolerance of ±20%.
• Low Impedance — Specified impedance of 470 mOhm and series-level design notes indicating lower impedance at high frequency, supporting improved AC performance.
• High Ripple Current — Low-frequency ripple current of 572 mA at 120 Hz and high-frequency ripple current of 1.43 A at 10 kHz, enabling effective smoothing under ripple-loading conditions.
• Loss Characteristics — Tangent of loss angle tanδ of 0.08 (measured at 20°C, 120 Hz), supporting predictable dissipation behavior.
• Leakage Current — Specified leakage current of 100 µA, measured under standard conditions.
• Endurance & Temperature Range — Rated for 12,000 hours at 105°C with an operating temperature range of −40°C to +105°C for long-term reliability in elevated-temperature environments.
• Compact Radial Package — φ12.5 × 15L can with 5 mm lead spacing (±0.5 mm) and radial-lead mounting for through-hole assemblies; available in bulk (no terminal forming) or bag packing.
• Regulatory — RoHS compliant as part of the UHW series.

Typical Applications

• General-purpose power filtering — Provides bulk capacitance and ripple smoothing in power supply circuits where 100 V rating and 100 µF capacitance are required.
• Switching regulator output — Handles high-frequency ripple current (1.43 A at 10 kHz) to stabilize regulator outputs in compact through-hole designs.
• Decoupling and energy storage — Compact φ12.5 × 15L package stores charge and reduces voltage ripple in small form-factor industrial and consumer electronics boards.

Unique Advantages

• High ripple capability: Measured ripple currents at both low and high frequencies allow reliable smoothing across a range of switching and line conditions.
• Extended high-temperature life: Rated endurance of 12,000 hours at 105°C supports designs that require long-term stability under elevated operating temperatures.
• Predictable dissipation: Low tanδ (0.08 at 120 Hz, 20°C) and specified impedance give designers clear electrical behavior for thermal and loss calculations.
• Compact radial form factor: φ12.5 × 15L size with 5 mm lead spacing delivers substantial capacitance in a small through-hole footprint for space-constrained boards.
• RoHS compliance: Meets RoHS requirements as part of the UHW series, simplifying regulatory considerations for lead-free assemblies.
• Packaging flexibility: Available in bulk (no terminal forming) or bag packing to suit different production and assembly workflows.

Why Choose UHW2A101MHD6?

UHW2A101MHD6 positions itself as a compact, high-reliability radial electrolytic capacitor for general-purpose electronics where 100 µF at 100 V and strong ripple performance are needed. Its combination of low impedance, defined loss characteristics, and proven high-temperature endurance gives designers quantifiable parameters for thermal, ripple, and lifetime planning.

This capacitor is well suited to engineers and procurement teams specifying through-hole power components for applications that demand stable filtering and energy storage over extended lifetimes and elevated temperatures. Its RoHS compliance and packaging options also support streamlined manufacturing and regulatory requirements.

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