LGN2Z681MELA30

The LGN2Z681MELA30 is an aluminum electrolytic capacitor in Nichicon’s LGN series featuring a snap-in terminal, radial can package and polarized construction. It provides 680 µF capacitance at a 180 V rating with a compact case size and is specified for general-purpose use.

Engineered for sustained operation up to 105°C, this part is designed to withstand 3000 hours of rated ripple current at 105°C and is RoHS compliant, making it suitable for designs that require reliable bulk capacitance and elevated-temperature endurance.

Key Features

• Capacitance and Voltage — 680 µF nominal capacitance with a rated voltage of 180 V and tolerance of ±20% at 120 Hz, 20°C.
• High-temperature Endurance — Rated operating temperature range of −40°C to +105°C with endurance specified for 3000 hours at 105°C under DC bias plus rated ripple current.
• Ripple Current Capability — Specified ripple handling of 1.7 A at 120 Hz and 2.55 A at 100 kHz, and designed to withstand application of rated ripple current for 3000 hours at 105°C.
• Snap-in Radial Can Package — Snap-in mounting type and radial can (snap-in) package for secure PCB installation and mechanical stability.
• Compact Physical Size — Smaller-sized case (one rank smaller than LGU); dimensions provided as L: 3 cm × D: 2.5 cm with a seated height maximum of 1.181 inches.
• Regulatory Compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• General-purpose power circuits — Provides bulk capacitance and smoothing where a polarized aluminum electrolytic is required and 180 V/680 µF is specified.
• Elevated-temperature environments — Suitable for circuits that must meet endurance requirements at up to 105°C, with a 3000-hour ripple endurance rating.
• Snap-in PCB assemblies — Designed for applications that use snap-in radial can mounting for secure, repeatable board installation.

Unique Advantages

• Sustained ripple endurance: Specified to withstand 3000 hours of rated ripple current at 105°C, helping maintain capacitance, tan δ and leakage performance after extended high-temperature operation.
• High-capacitance at elevated voltage: 680 µF at 180 V provides substantial energy storage for DC-link, filtering or bulk-capacitance roles where that voltage rating is required.
• Compact, snap-in form factor: One-rank smaller case than LGU and a radial snap-in can for space-constrained PCB layouts while keeping secure mechanical mounting.
• Wide operating range: −40°C to +105°C operating temperature range supports use across a broad set of thermal environments.
• RoHS compliance: Meets RoHS directive requirements (2011/65/EU, (EU)2015/863) for materials compliance.
• Manufacturer pedigree: Part of Nichicon’s LGN series with documented endurance, leakage and tan δ limits defined in the series specifications.

Why Choose LGN2Z681MELA30?

LGN2Z681MELA30 combines high-capacitance 680 µF performance at 180 V with a snap-in radial can package and documented 3000-hour ripple endurance at 105°C, positioning it for designs that require reliable bulk capacitance and sustained high-temperature operation. Its compact case (one rank smaller than LGU) and snap-in mounting make it suitable where board space and mechanical stability are considerations.

This part is ideal for engineers specifying general-purpose aluminum electrolytic capacitors with clear endurance and ripple specifications, and for procurement looking for a RoHS-compliant component from an established capacitor series with defined lifetime and shelf-life characteristics.

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