LLG2Z122MELB30

The LLG2Z122MELB30 is a snap‑in terminal aluminum electrolytic capacitor from Nichicon’s LLG series, designed for compact equipment and general‑purpose power applications. It provides 1.2 mF capacitance at a 180 V rating in a radial, can‑style snap‑in package, offering a balance of capacitance, ripple handling and compact footprint for downsized equipment.

Key Features

• Capacitance & Voltage: 1.2 mF nominal capacitance with a 180 V rated voltage and ±20% tolerance, suitable for a wide range of DC power circuits.
• Snap‑in Mounting: Radial, can – snap‑in package for secure chassis or PCB mounting in compact assemblies.
• Ripple Current Performance: Rated ripple current of 3 A at 120 Hz and 4.5 A at 100 kHz, enabling effective smoothing under both low‑ and high‑frequency ripple conditions.
• Temperature & Endurance: Operating range to 85°C with an endurance rating of 2000 hours at 85°C when subjected to DC bias plus rated ripple current; capacitance change and electrical parameters are maintained within the series’ specified limits after endurance testing.
• Leakage and Dissipation Characteristics: Leakage current follows the LLG series specification (I ≤ 3√CV μA after 5 minutes at 20°C) and tangent of loss angle (tan δ) limits are defined per rated voltage in the series datasheet.
• RoHS Compliant: Conforms to RoHS directive (2011/65/EU, (EU)2015/863), supporting regulatory requirements for restricted substances.

Typical Applications

• Power supply filtering and smoothing: Use in DC power rails to reduce ripple and stabilize voltage where 180 V rated capacitors and measured ripple currents are required.
• Compact industrial and consumer equipment: Suited for designs targeting equipment downsizing thanks to the LLG series’ smaller case size relative to the LLS series.
• General‑purpose power circuits: Polarized energy storage and decoupling in general‑purpose power electronics assemblies that accept snap‑in radial can packages.

Unique Advantages

• Compact form factor: One rank smaller case size compared with the LLS series, enabling reduced PCB/chassis space for downsized equipment.
• Balanced ripple handling: Distinct ripple ratings at 120 Hz and 100 kHz provide designers data to match capacitor selection to both mains‑frequency and high‑frequency ripple environments.
• Specified endurance: 2000 hours at 85°C under DC bias plus rated ripple current gives predictable long‑term performance for thermal and load conditions defined in the datasheet.
• Predictable leakage behavior: Leakage current and tan δ limits are specified by the series, supporting reliable margin calculations for standby and run conditions.
• Regulatory compliance: RoHS compliance simplifies material selection for regulated markets and reduces end‑product compliance risk.

Why Choose LLG2Z122MELB30?

The LLG2Z122MELB30 is positioned for designers who need a robust, compact aluminum electrolytic capacitor with clear ripple, endurance and leakage specifications. Its snap‑in radial package and smaller case size within the LLG family make it appropriate for downsized power assemblies and general‑purpose DC circuits that demand reliable smoothing and energy storage at 180 V.

With defined endurance criteria and RoHS compliance, this part provides predictable performance and regulatory alignment for medium‑temperature, general‑purpose power designs where space and ripple capability are key selection factors.

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