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BLM18EG121SN1

Ferrite Beads

Inventory:8,428

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Overview of BLM18EG121SN1

The BLM18EG121SN1 is a chip ferrite bead designed to suppress high-frequency noise in electronic circuits. It offers high impedance at high frequencies, making it ideal for filtering unwanted noise in power lines, signal lines, and other electronic systems.

Pinout

(Note: The BLM18EG121SN1 is a surface mount component and does not have pins in the traditional sense. Consult the datasheet for mounting and connection details.)

Circuit Diagram

Include a circuit diagram illustrating the incorporation of the BLM18EG121SN1 for noise suppression in electronic circuits.

Key Features

  • High-Frequency Noise Suppression: The BLM18EG121SN1 provides high impedance at high frequencies, effectively filtering out unwanted noise.
  • Compact Design: With its chip form factor, this ferrite bead offers space-saving benefits for compact electronic designs.
  • Wide Application Range: Suitable for use in power supplies, USB interfaces, audio circuits, and various digital and analog systems.
  • Excellent Filtering Performance: Ensures improved signal integrity and reduced electromagnetic interference in electronic circuits.

Note: For comprehensive technical specifications, refer to the BLM18EG121SN1 datasheet.

Application

  • Power Line Filtering: Ideal for suppressing noise in power lines and preventing interference with sensitive electronic components.
  • Signal Line Conditioning: Used to filter out noise and ensure clean signals in audio, data, and communication circuits.
  • EMI/RFI Suppression: Effective in reducing electromagnetic and radio frequency interference in electronic systems.

Functionality

The BLM18EG121SN1 chip ferrite bead is designed to attenuate high-frequency noise in electronic circuits, contributing to improved system performance and reliability.

Usage Guide

  • Mounting: Solder the BLM18EG121SN1 onto the PCB at strategic points along power and signal lines for effective noise suppression.
  • Consideration: Ensure proper grounding and placement to maximize the noise filtering capabilities of the ferrite bead.
  • Compatibility: Verify compatibility with the operating frequencies and current requirements of the target electronic system.

Frequently Asked Questions

Q: What is the frequency range for effective noise suppression with BLM18EG121SN1?
A: The BLM18EG121SN1 is effective at suppressing noise in frequencies ranging from a few megahertz to several gigahertz, depending on the specific application.

Q: Can the BLM18EG121SN1 be used in high-speed digital circuits?
A: Yes, the BLM18EG121SN1 is suitable for high-speed digital circuits, providing effective noise suppression for signal integrity.

Equivalent

For similar noise suppression applications, consider these alternatives to the BLM18EG121SN1:

  • BLM21PG221SN1: Another chip ferrite bead offering similar high-frequency noise suppression capabilities with a different impedance profile.
  • BLM31PG500SN1: This chip ferrite bead provides enhanced noise filtering performance for high-current applications compared to the BLM18EG121SN1.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Ferrite Beads Series BLM18
Product Ferrite Chip Beads Termination Style SMD/SMT
Package / Case 0603 (1608 metric) Impedance 120 Ohms
Maximum DC Current 2 A Tolerance 25 %
Maximum DC Resistance 40 mOhms Minimum Operating Temperature - 55 C
Maximum Operating Temperature + 125 C Length 1.6 mm
Width 0.8 mm Height 0.8 mm
Brand Murata Electronics Product Type Ferrite Beads
Subcategory Ferrites Test Frequency 100 MHz
Type Chip Ferrite Bead Single Type Unit Weight 0.000071 oz

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