LKX2W151MESZ45

The LKX2W151MESZ45 is a snap-in terminal aluminum electrolytic capacitor designed for high-voltage filtering in audio equipment and switching power supplies. It belongs to Nichicon's LKX series, engineered to deliver stable performance at elevated temperatures.

Key attributes include a 450 V rating, 150 µF capacitance, a -25 °C to 105 °C operating range, and materials selected to achieve superior acoustic sound. The part is RoHS compliant.

Key Features

• Snap-In Mounting Secure snap-in terminal design for robust mechanical retention in PCB assemblies.
• High Voltage Rating 450 V rated voltage suitable for high-voltage rails in power supply and audio circuits.
• Capacitance and Tolerance 150 µF nominal capacitance with ±20% tolerance (measured at 120 Hz, 20 °C) for predictable filtering behavior.
• High-Temperature Endurance Rated for operation up to 105 °C with an endurance of 2000 hours at 105 °C under DC bias plus rated ripple current.
• Ripple Current Performance Specified ripple handling: 790 mA at 120 Hz (low frequency) and 1.13 A at 50 kHz (high frequency), supporting smoothing and decoupling in switching supplies.
• Acoustic-Optimized Materials Selected materials and construction for superior acoustic sound in audio equipment applications.
• Polarized, Radial Can Package Polarized aluminum electrolytic in a radial can with snap-in terminals for typical power-electronic topologies.
• RoHS Compliant Conforms to RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Audio Equipment Bulk filtering and smoothing in audio switching power supplies where material selection supports superior acoustic sound quality.
• Switching Power Supplies High-voltage decoupling and energy storage on 400–450 V rails in power conversion stages.
• General-Purpose Power Electronics High-voltage filtering and energy-buffering in industrial and consumer power designs requiring polarized electrolytic capacitors.

Unique Advantages

• High-Voltage Capability: 450 V rating enables use on elevated DC bus rails common in power supplies and high-voltage audio circuits.
• Designed for Acoustic Performance: Selected materials and LKX-series construction focus on achieving superior sound characteristics in audio applications.
• Robust Thermal Endurance: Rated to 105 °C with 2000-hour endurance at that temperature under specified test conditions, supporting reliable operation in warm environments.
• Strong Ripple Handling: Defined ripple current specs at both low and high frequencies (790 mA at 120 Hz; 1.13 A at 50 kHz) for effective smoothing in switching circuits.
• Packaged for Secure Assembly: Snap-in radial can design provides mechanical stability on PCBs for power-electronics layouts.
• Regulatory Compliance: RoHS compliance ensures suitability for regions and projects requiring restricted-substance adherence.

Why Choose LKX2W151MESZ45?

LKX2W151MESZ45 positions itself as a high-voltage, audio-focused aluminum electrolytic capacitor that combines 450 V capability, a 150 µF capacitance, and a construction tuned for acoustic performance. Its snap-in mounting and specified ripple-current ratings make it a practical choice for engineers designing switching power supplies and audio equipment that require reliable high-voltage filtering at elevated temperatures.

Backed by Nichicon's LKX series specifications, this part suits designers and procurement teams seeking a RoHS-compliant, high-temperature-capable electrolytic solution with defined endurance and ripple characteristics.

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