LAKW6101MELZ40

The LAKW6101MELZ40 is a snap-in terminal aluminum electrolytic capacitor designed for high-voltage, general-purpose power applications. It pairs a 100 µF capacitance with a 420 V rated voltage and is built for elevated-temperature operation and improved safety under abnormal voltage conditions.

Engineered for equipment operating in voltage-fluctuating environments, this Nichicon LAK-series part delivers extended high-temperature endurance and defined ripple-current capability while remaining RoHS compliant.

Key Features

• Voltage & Capacitance — 100 µF rated capacitance at 420 V suitable for high-voltage DC filtering and energy smoothing in power circuits.
• Snap-in, Radial Can Package — Snap-in terminal type and radial can package provide secure board mounting for power-electronics assemblies.
• High-temperature Endurance — Rated for operation to 105 °C with endurance specified for 2000 hours at 105 °C under D.C. bias plus rated ripple current.
• Permissible Abnormal Voltage & Safety — Designed with improved safety features for abnormally excessive voltage; pressure relief vent operation is specified to avoid dangerous conditions.
• Ripple Current Performance — Specified ripple-current handling of 690 mA at 120 Hz and 793.5 mA at 10 kHz for predictable AC stress capability.
• Electrical Reliability — Leakage current characterized by I ≤ 3√(C·V) after five minutes at 20 °C, and tan δ ≤ 0.20 at 120 Hz, 20 °C for stable loss characteristics.
• Operating Range & Tolerance — Operates from −25 °C to +105 °C with capacitance tolerance of ±20% at 120 Hz, 20 °C.
• Compact Size — Physical dimensions L: 4 × D: 2.2 cm support integration into constrained power assemblies.
• Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• High-voltage power supplies — Bulk smoothing and DC link filtering where 420 V rating and reliable ripple handling are required.
• Industrial power equipment — For equipment exposed to fluctuating line or load voltages, benefiting from the capacitor’s abnormal-voltage safety design and high-temperature endurance.
• Energy storage smoothing in UPS and converters — Provides energy buffering and ripple attenuation in high-voltage converter stages.
• General-purpose power electronics — Suited to designs needing a robust, 420 V polar capacitor with snap-in mounting for secure installation.

Unique Advantages

• 420 V rating with 100 µF capacitance: Enables higher-voltage DC filtering in a single component, reducing the need for multiple series parts.
• Designed for elevated-temperature duty: Endurance specified for 2000 hours at 105 °C gives predictable life performance in hot environments.
• Defined ripple-current specs: Clear ripple current values at 120 Hz and 10 kHz allow accurate thermal and lifetime budgeting in power-stage design.
• Safety features for abnormal voltage: Pressure relief venting and improved safety measures reduce risk under over-voltage events.
• Snap-in mounting for mechanical retention: Facilitates secure installation in high-current, vibration-prone power assemblies.
• RoHS compliant: Matches modern environmental requirements for commercial and industrial products.

Why Choose LAKW6101MELZ40?

LAKW6101MELZ40 is positioned for engineers who need a high-voltage, high-temperature-capable electrolytic capacitor that combines 420 V rating, a 100 µF value, and snap-in secure mounting. Its defined ripple-current performance and 2000-hour endurance at 105 °C provide a clear basis for thermal and lifetime design decisions in demanding power-electronics applications.

This part is well suited to designers working on industrial power supplies, converters, and systems exposed to fluctuating voltages who require verifiable safety behavior and environmental compliance without sacrificing compactness or board retention.

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