LLS2G121MELZ

CAP ALUM 120UF ±20% 400V SNAP-IN
Part Description

120 µF 400 V ±20% Aluminum Electrolytic Capacitor, Snap-In

Quantity 1,405 Available (as of November 3, 2026)
Product CategoryAluminum Electrolytic Capacitors
Part SeriesLLS
ManufacturerNichicon
Manufacturing StatusMass Production
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsGeneral PurposeCapacitance120 µFECCNEAR99
ESRN/AHeight Seated (Max)3.2 cmHTS Code8532.22.0040
ImpedanceN/ALead SpacingN/ALifetime @ Temp3000 h @ 85°C
Moisture Sensitivity LevelN/AMounting MethodSnap InOperating Temperature-25°C - 85°C
Package / CaseRadial, Can - Snap-InPolarizationPolarRatingsN/A
REACH ComplianceREACH UnaffectedRipple Current High Frequency1.559 A @ 50 kHzRipple Current Low Frequency1.09 A @ 120 Hz
RoHS ComplianceCompliantSize / Dimension30 x 22 mmSurface Mount Land SizeN/A
Tolerance-20%~20%Voltage400 V

Overview of LLS2G121MELZ – 400 V Snap‑in Aluminum Electrolytic Capacitor, 120 µF

The LLS2G121MELZ is a snap‑in terminal aluminum electrolytic capacitor delivering 120 µF at a 400 V rating. It is a polar, radial can capacitor designed for general-purpose applications that require high-voltage bulk capacitance and endurance under continuous ripple-load conditions.

Key performance characteristics include a rated ripple capability specified at both low and high frequencies, a loss tangent (tan δ) of 0.15 at 20°C/120 Hz, a specified leakage current, and a 3000 hour endurance at 85°C. The part is RoHS compliant and available in tray packing for mass production supply.

Key Features

  • Rated Capacitance and Voltage — 120 µF nominal capacitance with a 400 V rated voltage, suitable for high-voltage bulk capacitance needs.
  • Snap‑in Radial Package — Radial, can-type snap‑in termination for secure board retention and straightforward assembly in power cabinets and racks.
  • High and Low Frequency Ripple Handling — Rated ripple current of 1.09 A at 120 Hz and 1.559 A at 50 kHz, enabling performance across common power and switching frequencies.
  • Endurance — Specified to withstand 3000 hours at 85°C with rated ripple and DC bias applied, meeting the series’ endurance criteria after restoration to 20°C.
  • Electrical Stability — Tangent of loss angle (tan δ) of 0.15 at 20°C/120 Hz and capacitance tolerance of ±20% at 120 Hz/20°C for predictable filtering behavior.
  • Leakage Current — Specified leakage current of 650 µA after application of rated voltage at 20°C, supporting predictable standby and idle behavior.
  • Operating Temperature Range — Rated for operation from −25°C to +85°C for 350–450 V range applications.
  • RoHS Compliant & Production Ready — RoHS status compliant and available as a mass production item in tray packing.

Typical Applications

  • General-purpose power circuits — Provides high-voltage bulk capacitance for smoothing and energy storage where rated ripple current and 400 V capability are required.
  • High-voltage DC link filtering — Useful in DC link stages that require capacitors rated for 400 V with defined ripple handling at both mains and switching frequencies.
  • Industrial power assemblies — Suited to equipment and modules that need durable, high-voltage electrolytic capacitance with a 3000 hour endurance at elevated temperature.

Unique Advantages

  • High-voltage capability: 400 V rating provides the margin needed for high-voltage bulk capacitance in a compact snap‑in can.
  • Dual-frequency ripple specification: Explicit ripple current ratings at 120 Hz and 50 kHz allow designers to size capacitors for both mains-frequency filtering and high-frequency switching conditions.
  • Long endurance under load: 3000 hours at 85°C with DC bias plus rated ripple demonstrates sustained performance for continuous operation scenarios.
  • Predictable electrical behavior: Defined tan δ (0.15 at 20°C/120 Hz), leakage current (650 µA), and ±20% tolerance support reliable filter and timing calculations.
  • Manufacturing-ready packaging: Tray packing and mass production availability simplify procurement and assembly planning for volume designs.
  • Regulatory compliance: RoHS compliant to support environmental and regulatory requirements for electronic assemblies.

Why Choose LLS2G121MELZ?

LLS2G121MELZ combines a 400 V rating with 120 µF capacitance in a snap‑in radial can that’s optimized for general-purpose high-voltage applications where sustained ripple handling and endurance at elevated temperature are important. Its specification set—including low-frequency and high-frequency ripple currents, defined tan δ, and controlled leakage—makes it straightforward to integrate into designs that require predictable bulk capacitance behavior.

This part is well suited for designers and procurement teams looking for a production-ready, RoHS‑compliant aluminum electrolytic capacitor with specified long-term endurance and clear electrical performance data for reliable power‑stage design.

Request a quote or submit an inquiry to our team to discuss availability, lead times, and pricing for LLS2G121MELZ.

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    Date Founded: 1950


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