LAS2W151MELB25ZB

The LAS2W151MELB25ZB is a snap-in terminal aluminum electrolytic capacitor designed for general-purpose power applications. It provides 150 µF capacitance at 450 V in a compact φ30 × 25 mm can and is built for systems exposed to fluctuating voltages.

Key value propositions include a high permissible operating temperature up to 105°C with 2000 hours endurance under rated ripple current, elevated ripple current capability, and enhanced safety measures for abnormally excessive voltage conditions.

Key Features

• Capacitance & Voltage — 150 µF nominal capacitance at a rated voltage of 450 V with ±20% tolerance.
• High-temperature Endurance — Specified for operation from −25°C to +105°C with 2000 hours endurance at 105°C when DC bias plus rated ripple current is applied.
• Ripple Current Performance — Rated ripple current of 880 mA at 120 Hz and 1.012 A at 10 kHz, with datasheet frequency coefficients defined for higher frequencies.
• Safety Features — Improved safety for abnormally excessive voltage; pressure relief vent is designed to operate without hazardous conditions such as flame or dispersion of case parts under specified tests.
• Package & Mounting — Snap-in terminal, radial can package (φ30 × 25 mm), suitable for secure PCB mounting in power assemblies.
• Electrical Characteristics — Tangent of loss angle (tan δ) max 0.20 at 120 Hz, and specified leakage current limits after application of rated voltage (per datasheet formula).
• Regulatory Compliance — RoHS compliant (2011/65/EU, (EU)2015/863).

Typical Applications

• General-purpose power equipment — Bulk energy storage and filtering in general-purpose AC/DC and DC/DC systems where a 450 V, 150 µF capacitor is required.
• Equipment in fluctuating-voltage environments — Designed for use in equipment that experiences voltage fluctuations, providing endurance and safety under such conditions.
• High-ripple circuits — Applicable where sustained rated ripple current is required, leveraging the part’s specified ripple performance at 120 Hz and higher frequencies.

Unique Advantages

• High ripple-current capability: Rated 880 mA at 120 Hz and 1.012 A at 10 kHz, supporting applications with significant AC ripple loading.
• Compact snap-in form factor: φ30 × 25 mm radial can with snap-in terminals simplifies PCB mounting while minimizing board footprint.
• 105°C, 2000-hour endurance: Qualified to withstand 2000 hours at 105°C under rated ripple current, providing predictable lifetime under high-temperature stress.
• Improved abnormal-voltage safety: Enhanced safety design and a pressure relief vent reduce risk under abnormally excessive voltage conditions as described in the datasheet.
• Clear electrical limits: Specified tan δ and leakage current limits enable straightforward thermal and leakage budgeting in power designs.
• RoHS compliance: Meets RoHS directives (2011/65/EU, (EU)2015/863) for restricted substances.

Why Choose LAS2W151MELB25ZB?

LAS2W151MELB25ZB combines high-voltage (450 V) capacitance, elevated ripple current capability, and proven endurance at 105°C to address demanding general-purpose power applications and equipment operating in fluctuating-voltage environments. Its snap-in radial can package offers a compact, serviceable solution for board-level power systems.

This part is well suited for engineers specifying robust electrolytic bulk or smoothing capacitors where defined ripple handling, thermal endurance, and enhanced safety under abnormal voltage are required. The clear electrical and endurance specifications support reliable integration and predictable long-term behavior.

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