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Name: BLM21PG121SN1D
Brand: Murata Electronics
SKU: BLM21PG121SN1D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Murata Electronics BLM21PG121SN1D

Part No.:: BLM21PG121SN1D

Manufacturer:: Murata Electronics

Package:: 0805 (2012 Metric)

Datasheet:: BLM21PG121SN1D.pdf

Description:: FERRITE BEAD 120 OHM 0805 1LN

In Stock:: 2664

Quantity:: Add To Cart

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BLM21PG121SN1D this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BLM21PG121SN1D price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for BLM21PG121SN1D to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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BLM21PG121SN1D Typical application Circuitry

BLM21PG121SN1D

The BLM21PG121SN1D is a type of ferrite bead, a passive electronic component used extensively in circuit design for suppressing high-frequency electromagnetic interference (EMI). It serves as a filter, allowing DC or low-frequency signals to pass while attenuating unwanted high-frequency noise.

Application Scenarios:

The BLM21PG121SN1D is commonly employed in situations such as filtering noise in power supply lines, managing EMI in digital and analog signal lines, and in general circuits of consumer electronics, automotive electronics, and communication devices to maintain signal integrity.

Parameter Characteristics:

- Impedance: The BLM21PG121SN1D offers a specific impedance value, crucial for determining its noise suppression efficiency at certain frequencies.

- Rated Current: This indicates the maximum current the BLM21PG121SN1D can handle, a vital factor for circuit reliability.

- Size and Packaging: The physical dimensions and packaging type of the BLM21PG121SN1D are important for PCB design and space constraints.

- Temperature Range: The operating temperature range ensures the BLM21PG121SN1D works effectively under various environmental conditions.

Circuit Example - Power Supply Noise Filtering:

1. Component Selection:

- BLM21PG121SN1D ferrite beads

- Voltage regulator (e.g., LM7805)

- Capacitors for input and output stabilization

- Power source (e.g., 9V battery)

- Ground plane

2. Circuit Connections:

- Before Voltage Regulator: Place the BLM21PG121SN1D on the input line to the voltage regulator. Connect one end of the BLM21PG121SN1D to the positive terminal of the power source and the other to the input pin of the LM7805.

- After Voltage Regulator: Another BLM21PG121SN1D should be connected on the output line of the LM7805, between the regulator's output pin and the load.

- Capacitors Placement: Place capacitors at the input and output of the LM7805 to stabilize the voltage and further reduce noise.

3. Function of BLM21PG121SN1D:

The BLM21PG121SN1D in this setup acts as a noise suppressor, reducing high-frequency EMI before and after the voltage regulation, thereby ensuring a cleaner power supply to the load.

4. Design Considerations:

- Impedance Suitability: Match the impedance of the BLM21PG121SN1D with the noise profile expected in the circuit.

- Current Handling: Ensure that the BLM21PG121SN1D can handle the current through the circuit without saturation.

- Placement Strategy: Position the BLM21PG121SN1D close to the noise source (before and after the regulator) for maximum effectiveness.

- Thermal Management: Consider the thermal aspect, ensuring that the BLM21PG121SN1D operates within its temperature range, especially in compact or heat-sensitive designs.

Incorporating the BLM21PG121SN1D into a power supply circuit effectively filters out high-frequency noise, thus stabilizing the voltage supply and enhancing overall circuit performance. Careful consideration of the BLM21PG121SN1D's impedance, current handling capacity, placement, and operating temperature range is essential in circuit design to ensure reliability and effectiveness in noise suppression.

BLM21PG121SN1D information

BLM21PG121SN1D Specifications

Package/Case:
0805 (2012 Metric)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
EMIFIL®, BLM21
ProductStatus:
Active
FilterType:
Power Line
NumberofLines:
1
Impedance@Frequency:
120 Ohms @ 100 MHz
CurrentRating(Max):
3A
DCResistance(DCR)(Max):
30mOhm
Ratings:
-
OperatingTemperature:
-55°C ~ 125°C
MountingType:
Surface Mount
Height(Max):
0.041 (1.05mm)
Size/Dimension:
0.079 L x 0.049 W (2.00mm x 1.25mm)

BLM21PG121SN1D FAQ

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3. Are the BLM21PG121SN1D price and inventory displayed accurate?

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6. What is the process for return or replacement of BLM21PG121SN1D?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the BLM21PG121SN1D we delivered, we will accept the replacement or return of the BLM21PG121SN1D only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of BLM21PG121SN1D.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations