LAQ2D681MELZ50

The LAQ2D681MELZ50 is an aluminum electrolytic capacitor in Nichicon’s LAQ series featuring a snap-in terminal (radial can) package. It provides 680 µF capacitance at a 200 V rating with a compact φ22 × 50 mm footprint and tray packing for production use.

Designed for general-purpose applications, this capacitor delivers high ripple-current capability and extended endurance at elevated temperatures, making it suitable for designs that require reliable bulk capacitance and stable performance over time.

Key Features

• Capacitance & Voltage — 680 µF nominal capacitance with a 200 V rated voltage and a tolerance of ±20% (–20% to +20%).
• High Ripple Current — Low-frequency ripple current of 1.75 A (120 Hz) and high-frequency ripple current of 2.1 A (10 kHz) to support demanding ripple environments.
• Thermal Endurance — Rated operating temperature range of –25 °C to 105 °C with a specified life of 2000 hours at 105 °C under the endurance test conditions.
• Loss Characteristics — Tangent of loss angle (tan δ) specified at 0.20 maximum (120 Hz, 20 °C) for predictable dissipation behavior.
• Leakage Current — Typical leakage current specified at 1100 µA, with JIS-based limits detailed in the series specifications.
• Robust Package — Snap-in radial can (φ22 × 50 mm) for secure board attachment and easy placement in tray-packed production environments.
• Compliance — RoHS compliant.

Typical Applications

• General-purpose electronic circuits — Provides bulk capacitance for circuits that require 680 µF at 200 V within a compact snap-in package.
• Power supply modules — Supports modules requiring significant ripple-current handling with specified 1.75 A (120 Hz) and 2.1 A (10 kHz) ratings.
• High-temperature environments — Suitable for equipment operating up to 105 °C, backed by a 2000-hour endurance rating at that temperature.

Unique Advantages

• High voltage bulk capacitance: 680 µF at 200 V supplies substantial charge storage for applications requiring higher working voltages.
• Proven ripple capacity: Specified ripple current ratings at both low and high frequencies reduce thermal stress and support stable operation under AC ripple loading.
• Extended high-temperature life: 2000-hour endurance at 105 °C provides predictable aging characteristics for longer service intervals.
• Compact snap-in form factor: φ22 × 50 mm radial can with snap-in terminals simplifies mechanical retention and board-level assembly in production.
• Measurable dissipation behavior: tan δ ≤ 0.20 at 120 Hz, 20 °C offers designers a clear loss parameter for thermal and efficiency planning.
• Manufacturing-ready packaging: Tray packing and mass-production status support volume procurement and assembly workflows.

Why Choose LAQ2D681MELZ50?

The LAQ2D681MELZ50 combines a high-voltage rating and large capacitance in a compact snap-in aluminum electrolytic package, delivering quantifiable ripple handling and thermal endurance for general-purpose designs. Its specified leakage, dissipation factor, and endurance at 105 °C give engineers the data needed to assess lifetime performance and thermal behavior.

This part is well suited for designers and procurement teams building equipment that requires reliable bulk capacitance at elevated voltages and temperatures, where predictable ripple capability and RoHS compliance are important considerations.

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