LLS2G121MELY

The LLS2G121MELY is a snap‑in terminal aluminum electrolytic capacitor rated at 400 V with 120 µF capacitance and ±20% tolerance. It is a polarized, radial can (snap‑in) device designed for general‑purpose applications that require high‑voltage capacitance with reliable ripple handling and long endurance.

Key electrical and mechanical attributes include a tanδ of 0.15 (measured at 20°C, 120 Hz), low leakage current, high rated ripple currents, a 3000‑hour endurance at 85°C, and RoHS compliance. The part is supplied in tray packing and is in mass production.

Key Features

• Rated Voltage & Capacitance: 400 V nominal rating with 120 µF capacitance and ±20% tolerance, providing high‑voltage bulk capacitance in a compact form.
• Snap‑in Mounting: Radial, can‑style snap‑in terminals for secure PCB mounting and mechanical stability in through‑hole assemblies.
• Ripple Current Capability: 1070 mA low‑frequency ripple current (120 Hz) and 1530.1 mA high‑frequency ripple current (50 kHz) to support designs with continuous AC ripple stress.
• Loss Tangent: tanδ = 0.15 (max) at 20°C and 120 Hz, indicating controlled dissipation for the rated voltage class.
• Leakage Current: 650 µA specified leakage current for predictable DC performance after voltage application.
• Endurance & Temperature Range: Qualified for 3000 hours at 85°C with an operating range of −25°C to 85°C.
• Compact Footprint: Size φ20 × 35 mm (L: 3.5 × D: 2 cm) with a maximum seated height of 1.378 inches for space‑constrained designs.
• Regulatory Compliance & Production: RoHS compliant, tray packed, and available in mass production quantities.

Typical Applications

• General‑Purpose Power Designs: Suited for equipment requiring a 400 V, 120 µF polarized capacitor with snap‑in mounting for robust through‑hole assemblies.
• High‑Voltage DC Bus Support: Provides bulk capacitance and ripple handling where rated ripple current and 400 V withstand are required.
• Industrial Equipment: Applicable in general‑purpose industrial modules that demand long endurance at 85°C and predictable leakage and loss characteristics.

Unique Advantages

• High‑Voltage Bulk Capacitance: 400 V rating with 120 µF provides substantial energy storage for designs that need elevated DC voltage handling.
• Proven Endurance: 3000 hours at 85°C ensures stable capacitance, tanδ, and leakage behavior over extended high‑temperature operation.
• Robust Ripple Performance: Specified ripple currents of 1070 mA (120 Hz) and 1530.1 mA (50 kHz) allow reliable operation under continuous AC ripple conditions.
• Predictable Electrical Losses: tanδ specified at 0.15 (20°C, 120 Hz) helps designers estimate dissipation and thermal behavior accurately.
• Compact Snap‑in Package: φ20 × 35 mm can with snap‑in terminals simplifies board retention and mechanical mounting for through‑hole assemblies.
• Production Ready & Compliant: Tray packing, mass production status, and RoHS compliance support volume manufacturing and regulatory requirements.

Why Choose LLS2G121MELY?

LLS2G121MELY combines high‑voltage capacitance with engineered ripple handling and a long endurance life, making it suitable for designs that require dependable bulk capacitance in a snap‑in through‑hole package. Its defined electrical parameters—400 V rating, 120 µF capacitance, 0.15 tanδ, specified leakage current, and rated ripple currents—allow engineers to design with predictable performance margins.

This capacitor is a practical choice for designers and procurement teams building general‑purpose power and industrial equipment that demand RoHS compliance, tray packing, and production availability. Its mechanical and electrical specifications support repeatable manufacturing and long‑term in‑field operation at elevated temperatures.

Request a quote or submit an RFQ to check pricing and availability for LLS2G121MELY and to discuss quantity lead times and packaging options.