BLM31PG121SH1L

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Ferrite beads and chips are small electrical components that are used to suppress electromagnetic interference in electronic circuits. The BLM31PG121SH1L is a ferrite bead and chip designed to provide reliable high performance and exceptional thermal resistance. It has been developed to provide excellent filtering and protection of high frequency signals in the frequency ranges from 10MHz to 10GHz.

The design of the BLM31PG121SH1L ferrite bead and chip combines the advantages of ferrite beads and chips with excellent EMI suppression capabilities. The bead and chip have two layers of massive magnetic cores with good insulation. The internal structure also includes an inductor, a resistor, and an optional temperature sensor. This internal structure improves the efficiency of EMI filtering, providing higher performance than traditional single-layer ferrite bead and chips.

BLM31PG121SH1L ferrite beads and chips are widely used in various electronic devices, such as cellular phones, computers, and digital audio-visual devices. They are widely used in high frequency applications such as Ethernet, WLAN, Digital PLL, Digital RF, and other applications requiring high DC-isolation.

The working principle of this type of ferrite bead and chip is based on inductive reactance. When an electromagnetic field is present, the EMI will cause current to flow through the magnetic cores of the bead. This current creates a secondary magnetic field, which opposes the primary electromagnetic field. The opposing fields cause the EMI to be suppressed by the bead, reducing the amount of interference that can reach the components of the circuit.

In addition to providing EMI suppression, the BLM31PG121SH1L ferrite bead and chip can also provide protection against thermal shock. This is achieved through its high thermal resistance, which allows it to maintain a certain temperature and prevent large fluctuations during thermal cycling. This type of ferrite bead and chip is also RoHS compliant, which helps protect the environment from hazardous materials.

The BLM31PG121SH1L ferrite bead and chip is designed to provide reliable protection and performance in high frequency applications. Its excellent EMI suppression capabilities, high thermal resistance, and RoHS compliance make it an ideal choice for a variety of applications.

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