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Name: BLM21PG331SN1D
Brand: Murata Electronics
SKU: BLM21PG331SN1D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Murata Electronics BLM21PG331SN1D

Part No.:: BLM21PG331SN1D

Manufacturer:: Murata Electronics

Package:: 0805 (2012 Metric)

Datasheet:: BLM21PG331SN1D.pdf

Description:: FERRITE BEAD 330 OHM 0805 1LN

In Stock:: 3720

Quantity:: Add To Cart

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BLM21PG331SN1D 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:
330 Ohms @ 100 MHz
CurrentRating(Max):
1.5A
DCResistance(DCR)(Max):
70mOhm
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)

BLM21PG331SN1D this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BLM21PG331SN1D 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 BLM21PG331SN1D 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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BLM21PG331SN1D information

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BLM21PG331SN1D Typical application Circuitry

BLM21PG331SN1D

A ferrite bead, or BLM21PG331SN1D, is a passive electronic component that is mostly used in electronic circuits to prevent high-frequency electromagnetic interference (EMI). Its purpose is to filter out high-frequency signals and let in lower-frequency or DC signals, hence lowering noise levels.

Application Scenarios

The BLM21PG331SN1D is particularly useful in applications like power supply filtering in electronic devices, signal line noise suppression in communication equipment, and automotive electronics for improving signal integrity and reducing EMI.

Parameter Characteristics:

- Impedance: The BLM21PG331SN1D has a specific impedance value at a designated frequency, crucial for its effectiveness in noise suppression.

- Rated Current: This indicates the maximum current that the BLM21PG331SN1D can handle, a key factor for reliability under operational conditions.

- Physical Dimensions and Packaging: The size and form factor of the BLM21PG331SN1D are important for integration into different PCB designs.

- Operating Temperature Range: This parameter is vital for ensuring the BLM21PG331SN1D works effectively under various environmental conditions.

Circuit Example - Digital Audio Amplifier Noise Suppression:

1. Components Required:

- BLM21PG331SN1D ferrite beads

- Digital audio amplifier IC (e.g., Texas Instruments TPA3130D2)

- Power source (e.g., 12V DC) - Input audio source (e.g., 3.5mm audio jack)

- Output devices (e.g., speakers)

- Ground plane

- Capacitors and resistors for stabilization

2. Circuit Connections:

- Power Line Integration: Install the BLM21PG331SN1D on the 12V power input line to the amplifier IC. Attach one end of the BLM21PG331SN1D to the power source's positive terminal and the other end to the TPA3130D2's power supply pin (pin 1, for example).

- Audio Input Line: Place a BLM21PG331SN1D on each audio input line. Connect each bead between the audio source and the input pins (e.g., pins 7 and 10) of the TPA3130D2.

- Grounding: Ensure that all BLM21PG331SN1D beads have a solid connection to the common ground plane.

3. Role in Circuit:

The BLM21PG331SN1D serves as a noise suppressor, filtering high-frequency EMI from the power and audio input lines, thus ensuring clearer audio output and stable amplifier operation.

4. Design Considerations:

- Appropriate Impedance: Choose the BLM21PG331SN1D with an impedance value that aligns with the noise frequencies typically encountered in audio circuits.

- Current Handling: Verify that the BLM21PG331SN1D can manage the current demands of the amplifier without saturation.

- Strategic Placement: Position the BLM21PG331SN1D as close to the noise source as possible (near the power and input connections) for optimal noise suppression.

- Environmental Factors: Select a BLM21PG331SN1D that can operate reliably in the expected temperature range of the audio amplifier's environment.

Utilizing the BLM21PG331SN1D in a digital audio amplifier circuit effectively reduces high-frequency noise, enhancing the quality and stability of the audio output. Key considerations in such a design include matching the impedance of the BLM21PG331SN1D to the expected noise frequencies, ensuring its current handling capacity is suitable, optimal placement for effective noise suppression, and taking into account the thermal conditions of the operating environment.

BLM21PG331SN1D FAQ

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3. Are the BLM21PG331SN1D price and inventory displayed accurate?

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of BLM21PG331SN1D?

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 BLM21PG331SN1D we delivered, we will accept the replacement or return of the BLM21PG331SN1D 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 BLM21PG331SN1D.

(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