LKX2E821MESC30

The LKX2E821MESC30 is a snap-in terminal aluminum electrolytic capacitor designed for audio equipment and switching power supply applications. It provides 820 µF capacitance at a 250 V rating with construction and materials selected to support superior acoustic performance.

Built for elevated operating conditions, this part supports an operating temperature range of −40 °C to +105 °C and a rated endurance of 2000 hours at 105 °C, making it suitable for demanding general-purpose power filtering and energy storage tasks in audio and power electronics.

Key Features

• Capacitance & Voltage: 820 µF nominal capacitance at a 250 V rated voltage for bulk energy storage and smoothing in power rails.
• High Temperature Operation: Rated for −40 °C to +105 °C operation (applicable for 250 V units) and endurance of 2000 hours at 105 °C under rated ripple and DC bias conditions.
• Audio-Optimized Materials: Selected materials and construction aimed at achieving superior acoustic sound for audio equipment applications.
• Snap-In Mounting: Snap-in terminal type and radial can package for secure, board-mounted installation in power assemblies.
• Ripple Current Capability: Rated ripple current of 2 A at 120 Hz and 3 A at 50 kHz, supporting both low- and high-frequency ripple conditions.
• Environmental Compliance: Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).
• Package Dimensions: Compact can dimensions with L: 3 cm × D: 3.5 cm for space-conscious power designs.

Typical Applications

• Audio Equipment: Bulk smoothing and power reservoir for amplifiers and audio circuits where materials and construction are selected to support improved acoustic characteristics.
• Switching Power Supplies: Energy storage and output filtering in switch-mode power supplies, using the 250 V rating and high-temperature endurance to maintain performance under thermal stress.
• General Purpose Power Filtering: Decoupling and bulk capacitance for industrial and consumer power electronics requiring snap-in mounting and rated ripple handling.

Unique Advantages

• Designed for Acoustic Performance: Materials selected to achieve superior sound quality in audio applications, providing engineers a component tuned for audible-system use.
• High-Temperature Endurance: Rated endurance of 2000 hours at 105 °C ensures reliable performance in thermally demanding environments.
• Dual-Frequency Ripple Handling: Provided ripple current specifications at both 120 Hz and 50 kHz support designs with mixed-frequency ripple profiles.
• Secure Snap-In Mounting: Snap-in terminal and radial can package simplify board-level installation for power modules and assemblies.
• Regulatory Compliance: RoHS compliance supports restricted-substance requirements for commercial and industrial products.

Why Choose LKX2E821MESC30?

LKX2E821MESC30 combines a high-capacitance 820 µF, 250 V rating with construction choices targeted at audio performance and robust power filtering. Its snap-in package, frequency-aware ripple ratings, and 105 °C endurance make it a practical choice for engineers designing audio equipment and switching power supplies that require reliable bulk capacitance under elevated temperatures.

This part is well suited to designers seeking a RoHS-compliant, general-purpose electrolytic capacitor that balances acoustic considerations with thermal and ripple performance for long-term operation in demanding power applications.

Request a quote or submit an inquiry for LKX2E821MESC30 to receive pricing and availability information tailored to your project requirements.