DLW21HN900SQ2L

The DLW21HN900SQ2L is a surface-mount ferrite bead manufactured by Murata Electronics. Ferrite beads are passive electronic components designed to suppress high-frequency noise and interference in electronic circuits by acting as a low-pass filter. This specific ferrite bead is optimized for use in filtering applications where suppression of noise in the MHz range is required.

Key Features:

• High-Frequency Noise Suppression: Designed to attenuate high-frequency noise and interference in electronic circuits, including electromagnetic interference (EMI) and radio frequency interference (RFI), ensuring reliable operation of sensitive components.
• Low-Profile Surface-Mount Design: Features a compact and lightweight surface-mount package, making it suitable for high-density circuit board designs and automated assembly processes.
• Wide Frequency Range: Offers effective noise suppression across a wide frequency range, making it suitable for various applications, including digital circuits, power supplies, communication systems, and audio equipment.
• High Impedance at Noise Frequencies: Provides high impedance at noise frequencies while maintaining low impedance at signal frequencies, effectively diverting unwanted noise away from critical circuit nodes.
• High-Quality Construction: Manufactured using high-quality materials and advanced manufacturing processes to ensure consistent performance, reliability, and stability over a wide temperature range and operating conditions.
• RoHS Compliant: Complies with the Restriction of Hazardous Substances (RoHS) directive, ensuring that the ferrite bead meets environmental standards and regulations.

Applications:

• Switching Power Supplies: Used in switching mode power supplies (SMPS) to suppress conducted electromagnetic interference (EMI) generated by fast-switching semiconductor devices such as diodes, transistors, and integrated circuits.
• Digital Circuits: Employed in digital circuits, microcontrollers, and field-programmable gate arrays (FPGAs) to suppress high-frequency noise generated by clock signals, data lines, and switching operations, preventing signal distortion and data corruption.
• Audio Equipment: Integrated into audio amplifiers, mixers, and recording equipment to filter out electromagnetic interference (EMI) and radio frequency interference (RFI) that can degrade audio quality and introduce noise into audio signals.
• Communication Systems: Used in RF transmitters, receivers, antennas, and communication modules to reduce electromagnetic interference (EMI) and improve signal integrity, ensuring reliable communication in wireless and wired networks.
• Consumer Electronics: Applied in consumer electronic devices such as smartphones, tablets, laptops, and digital cameras to suppress noise and interference from power sources, displays, and communication interfaces, enhancing overall performance and reliability.