BLM21BD601SN1D

The BLM21BD601SN1D is a type of ferrite bead manufactured by Murata Electronics, designed primarily for use in electronic circuits to suppress high-frequency noise. Here’s a detailed description of its features and specifications:

General Characteristics:

• Type: Ferrite Bead
• Series: BLM21
• Material: Ferrite material, which is effective in attenuating high-frequency noise.
• Package Size: The component is typically housed in a compact 0805 (2.0mm x 1.25mm) surface-mount package, making it suitable for space-constrained applications.

Electrical Specifications:

• Impedance: The BLM21BD601SN1D has a nominal impedance of 600 ohms at a frequency of 100 MHz. This high impedance helps in filtering out unwanted high-frequency signals.
• Rated Current: It can handle a rated current of up to 300 mA, making it suitable for various applications without overheating or degrading performance.
• DC Resistance (DCR): The DC resistance is low, typically around 0.1 ohms, which minimizes power loss in the circuit.

Performance:

• Frequency Range: The ferrite bead is effective in a wide frequency range, particularly in the RF (radio frequency) spectrum, making it ideal for applications in communication devices, power supplies, and consumer electronics.
• Temperature Range: It operates effectively within a temperature range of -55°C to +125°C, ensuring reliability in various environmental conditions.

Applications:

• Noise Suppression: Commonly used in power lines and signal lines to suppress electromagnetic interference (EMI) and radio frequency interference (RFI).
• Consumer Electronics: Suitable for use in smartphones, tablets, laptops, and other portable devices where space is limited and noise reduction is critical.
• Automotive: Can be utilized in automotive electronics to ensure stable operation of sensitive components.

Compliance and Standards:

• The BLM21BD601SN1D is compliant with RoHS (Restriction of Hazardous Substances) standards, ensuring that it is free from harmful substances and environmentally friendly.

Conclusion:

The BLM21BD601SN1D from Murata Electronics is a versatile and efficient ferrite bead that plays a crucial role in enhancing the performance of electronic devices by reducing noise and improving signal integrity. Its compact size, high impedance, and robust electrical characteristics make it an excellent choice for a wide range of applications in modern electronics.