LLG2C821MELZ35

The LLG2C821MELZ35 is an 820 µF, 160 V polarized aluminum electrolytic capacitor from Nichicon's LLG series, configured with a snap-in radial can package for board-level mounting. It is designed for general-purpose applications and is specifically noted as suited for equipment downsizing, offering a smaller case profile compared with earlier LLS models.

Key operational characteristics include an operating temperature range of –40°C to +85°C, a rated lifetime of 2000 hours at 85°C under DC bias plus rated ripple, and RoHS compliance (2011/65/EU, (EU)2015/863).

Key Features

• Capacitance & Voltage — 820 µF rated capacitance at 160 V provides bulk energy storage in a compact snap-in can.
• Package & Mounting — Radial can with snap-in terminals simplifies board insertion and mechanical retention for power assemblies.
• Compact sizing for downsizing — LLG series is specified as one rank smaller case size than LLS, supporting equipment footprint reduction; physical size is L: 3.5 cm × D: 2.2 cm.
• Temperature and lifetime — Rated for –40°C to +85°C operation with an endurance specification of 2000 hours at 85°C when DC biased with rated ripple current applied.
• Ripple current capability — Rated ripple current of 2.75 A at 120 Hz and 4.125 A at 100 kHz to support AC ripple conditions within specified limits.
• Electrical quality metrics — Capacitance tolerance ±20%; tangent of loss angle (tan δ) specified (max. 0.15 for the 160 V class); leakage current limit expressed as I ≤ 3√CV (µA) after 5 minutes’ application of rated voltage at 20°C.
• Environmental compliance — Compliant with RoHS directives (2011/65/EU, (EU)2015/863).

Typical Applications

• General Purpose — Intended for general-purpose electronic designs where a polarized snap-in aluminum electrolytic capacitor is required.
• Equipment Downsizing — Suited for designs aiming to reduce enclosure or board footprint due to its smaller case sizing compared with LLS-series parts.
• Board-Level Power Modules — Snap-in radial can format enables secure mounting in power assemblies and modules that use snap-in capacitor retention.

Unique Advantages

• Compact energy storage: 820 µF at 160 V in a reduced case size supports higher capacitance per occupied volume for space-constrained designs.
• Snap-in mounting: Radial snap-in terminals provide mechanical retention and ease of assembly for through-hole power boards.
• Documented ripple performance: Rated ripple currents specified at 120 Hz (2.75 A) and 100 kHz (4.125 A) allow designers to size capacitors to expected ripple conditions.
• Endurance under bias: 2000 hours at 85°C with DC bias plus rated ripple current ensures predictable degradation characteristics over specified life.
• Clear electrical limits: Leakage current defined by I ≤ 3√CV (µA) and tan δ limits provide measurable acceptance criteria during qualification and production test.
• RoHS compliant: Meets applicable RoHS directives for restricted substances, simplifying regulatory compliance for assemblies.

Why Choose LLG2C821MELZ35?

The LLG2C821MELZ35 combines 820 µF capacitance and a 160 V rating in a snap-in radial can optimized for equipment downsizing, backed by Nichicon's LLG series specifications. Its documented ripple current ratings, leakage formula, tan δ limit, and 2000-hour endurance at 85°C provide engineers with concrete metrics for power-design decisions.

This part is well suited to customers designing general-purpose power and module-level applications that require a polarized aluminum electrolytic capacitor with a smaller case profile, defined electrical limits, and RoHS compliance.

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